diff --git a/ChangeLog.d/rsa_private-ret.txt b/ChangeLog.d/rsa_private-ret.txt
new file mode 100644
index 0000000..b965cea
--- /dev/null
+++ b/ChangeLog.d/rsa_private-ret.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Fix an incorrect error code if an RSA private operation glitched.
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index accf51e..7f403c1 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -886,6 +886,10 @@
 #error "MBEDTLS_SSL_DTLS_SRTP defined, but not all prerequisites"
 #endif
 
+#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH) && ( !defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) )
+#error "MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH defined, but not all prerequisites"
+#endif
+
 /*
  * Avoid warning from -pedantic. This is a convenient place for this
  * workaround since this is included by every single file before the
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index c5f65e1..b563a96 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1979,7 +1979,10 @@
 /**
  * \def MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH
  *
- * Enable modifying the maximum I/O buffer size.
+ * When this option is enabled, the SSL buffer will be resized automatically
+ * based on the negotiated maximum fragment length in each direction.
+ *
+ * Requires: MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
  */
 //#define MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH
 
diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index 577c959..2097a6d 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -275,26 +275,26 @@
 #endif
 
 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
-static inline uint32_t mbedtls_ssl_get_output_buflen( const mbedtls_ssl_context *ctx )
+static inline size_t mbedtls_ssl_get_output_buflen( const mbedtls_ssl_context *ctx )
 {
 #if defined (MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    return (uint32_t) mbedtls_ssl_get_output_max_frag_len( ctx )
+    return mbedtls_ssl_get_output_max_frag_len( ctx )
                + MBEDTLS_SSL_HEADER_LEN + MBEDTLS_SSL_PAYLOAD_OVERHEAD
                + MBEDTLS_SSL_CID_OUT_LEN_MAX;
 #else
-    return (uint32_t) mbedtls_ssl_get_output_max_frag_len( ctx )
+    return mbedtls_ssl_get_output_max_frag_len( ctx )
                + MBEDTLS_SSL_HEADER_LEN + MBEDTLS_SSL_PAYLOAD_OVERHEAD;
 #endif
 }
 
-static inline uint32_t mbedtls_ssl_get_input_buflen( const mbedtls_ssl_context *ctx )
+static inline size_t mbedtls_ssl_get_input_buflen( const mbedtls_ssl_context *ctx )
 {
 #if defined (MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    return (uint32_t) mbedtls_ssl_get_input_max_frag_len( ctx )
+    return mbedtls_ssl_get_input_max_frag_len( ctx )
                + MBEDTLS_SSL_HEADER_LEN + MBEDTLS_SSL_PAYLOAD_OVERHEAD
                + MBEDTLS_SSL_CID_IN_LEN_MAX;
 #else
-    return (uint32_t) mbedtls_ssl_get_input_max_frag_len( ctx )
+    return mbedtls_ssl_get_input_max_frag_len( ctx )
                + MBEDTLS_SSL_HEADER_LEN + MBEDTLS_SSL_PAYLOAD_OVERHEAD;
 #endif
 }
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 7ea2a1a..b7c4591 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -135,9 +135,11 @@
 
 psa_status_t mbedtls_to_psa_error( int ret )
 {
-    /* If there's both a high-level code and low-level code, dispatch on
-     * the high-level code. */
-    switch( ret < -0x7f ? - ( -ret & 0x7f80 ) : ret )
+    /* Mbed TLS error codes can combine a high-level error code and a
+     * low-level error code. The low-level error usually reflects the
+     * root cause better, so dispatch on that preferably. */
+    int low_level_ret = - ( -ret & 0x007f );
+    switch( low_level_ret != 0 ? low_level_ret : ret )
     {
         case 0:
             return( PSA_SUCCESS );
@@ -344,7 +346,7 @@
         case MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE:
             return( PSA_ERROR_BUFFER_TOO_SMALL );
         case MBEDTLS_ERR_RSA_RNG_FAILED:
-            return( PSA_ERROR_INSUFFICIENT_MEMORY );
+            return( PSA_ERROR_INSUFFICIENT_ENTROPY );
         case MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION:
             return( PSA_ERROR_NOT_SUPPORTED );
         case MBEDTLS_ERR_RSA_HW_ACCEL_FAILED:
@@ -372,8 +374,11 @@
             return( PSA_ERROR_INVALID_SIGNATURE );
         case MBEDTLS_ERR_ECP_ALLOC_FAILED:
             return( PSA_ERROR_INSUFFICIENT_MEMORY );
+        case MBEDTLS_ERR_ECP_RANDOM_FAILED:
+            return( PSA_ERROR_INSUFFICIENT_ENTROPY );
         case MBEDTLS_ERR_ECP_HW_ACCEL_FAILED:
             return( PSA_ERROR_HARDWARE_FAILURE );
+
         case MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED:
             return( PSA_ERROR_CORRUPTION_DETECTED );
 
diff --git a/library/rsa.c b/library/rsa.c
index d6abd65..9fe551d 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -1076,10 +1076,10 @@
     mbedtls_mpi_free( &C );
     mbedtls_mpi_free( &I );
 
-    if( ret != 0 )
+    if( ret != 0 && ret >= -0x007f )
         return( MBEDTLS_ERR_RSA_PRIVATE_FAILED + ret );
 
-    return( 0 );
+    return( ret );
 }
 
 #if defined(MBEDTLS_PKCS1_V21)
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index a1a5859..336cbea 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -260,6 +260,70 @@
 
     return 0;
 }
+
+static void handle_buffer_resizing( mbedtls_ssl_context *ssl, int downsizing,
+                                    size_t in_buf_new_len,
+                                    size_t out_buf_new_len )
+{
+    int modified = 0;
+    size_t written_in = 0, iv_offset_in = 0, len_offset_in = 0;
+    size_t written_out = 0, iv_offset_out = 0, len_offset_out = 0;
+    if( ssl->in_buf != NULL )
+    {
+        written_in = ssl->in_msg - ssl->in_buf;
+        iv_offset_in = ssl->in_iv - ssl->in_buf;
+        len_offset_in = ssl->in_len - ssl->in_buf;
+        if( downsizing ?
+            ssl->in_buf_len > in_buf_new_len && ssl->in_left < in_buf_new_len :
+            ssl->in_buf_len < in_buf_new_len )
+        {
+            if( resize_buffer( &ssl->in_buf, in_buf_new_len, &ssl->in_buf_len ) != 0 )
+            {
+                MBEDTLS_SSL_DEBUG_MSG( 1, ( "input buffer resizing failed - out of memory" ) );
+            }
+            else
+            {
+                MBEDTLS_SSL_DEBUG_MSG( 2, ( "Reallocating in_buf to %d", in_buf_new_len ) );
+                modified = 1;
+            }
+        }
+    }
+
+    if( ssl->out_buf != NULL )
+    {
+        written_out = ssl->out_msg - ssl->out_buf;
+        iv_offset_out = ssl->out_iv - ssl->out_buf;
+        len_offset_out = ssl->out_len - ssl->out_buf;
+        if( downsizing ?
+            ssl->out_buf_len > out_buf_new_len && ssl->out_left < out_buf_new_len :
+            ssl->out_buf_len < out_buf_new_len )
+        {
+            if( resize_buffer( &ssl->out_buf, out_buf_new_len, &ssl->out_buf_len ) != 0 )
+            {
+                MBEDTLS_SSL_DEBUG_MSG( 1, ( "output buffer resizing failed - out of memory" ) );
+            }
+            else
+            {
+                MBEDTLS_SSL_DEBUG_MSG( 2, ( "Reallocating out_buf to %d", out_buf_new_len ) );
+                modified = 1;
+            }
+        }
+    }
+    if( modified )
+    {
+        /* Update pointers here to avoid doing it twice. */
+        mbedtls_ssl_reset_in_out_pointers( ssl );
+        /* Fields below might not be properly updated with record
+         * splitting or with CID, so they are manually updated here. */
+        ssl->out_msg = ssl->out_buf + written_out;
+        ssl->out_len = ssl->out_buf + len_offset_out;
+        ssl->out_iv = ssl->out_buf + iv_offset_out;
+
+        ssl->in_msg = ssl->in_buf + written_in;
+        ssl->in_len = ssl->in_buf + len_offset_in;
+        ssl->in_iv = ssl->in_buf + iv_offset_in;
+    }
+}
 #endif /* MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH */
 
 /*
@@ -3686,64 +3750,9 @@
     }
 #if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
     /* If the buffers are too small - reallocate */
-    {
-        int modified = 0;
-        size_t written_in = 0, iv_offset_in = 0, len_offset_in = 0;
-        size_t written_out = 0, iv_offset_out = 0, len_offset_out = 0;
-        if( ssl->in_buf != NULL )
-        {
-            written_in = ssl->in_msg - ssl->in_buf;
-            iv_offset_in = ssl->in_iv - ssl->in_buf;
-            len_offset_in = ssl->in_len - ssl->in_buf;
-            if( ssl->in_buf_len < MBEDTLS_SSL_IN_BUFFER_LEN )
-            {
-                if( resize_buffer( &ssl->in_buf, MBEDTLS_SSL_IN_BUFFER_LEN,
-                                   &ssl->in_buf_len ) != 0 )
-                {
-                    MBEDTLS_SSL_DEBUG_MSG( 1, ( "input buffer resizing failed - out of memory" ) );
-                }
-                else
-                {
-                    MBEDTLS_SSL_DEBUG_MSG( 2, ( "Reallocating in_buf to %d", MBEDTLS_SSL_IN_BUFFER_LEN ) );
-                    modified = 1;
-                }
-            }
-        }
 
-        if( ssl->out_buf != NULL )
-        {
-            written_out = ssl->out_msg - ssl->out_buf;
-            iv_offset_out = ssl->out_iv - ssl->out_buf;
-            len_offset_out = ssl->out_len - ssl->out_buf;
-            if( ssl->out_buf_len < MBEDTLS_SSL_OUT_BUFFER_LEN )
-            {
-                if( resize_buffer( &ssl->out_buf, MBEDTLS_SSL_OUT_BUFFER_LEN,
-                                   &ssl->out_buf_len ) != 0 )
-                {
-                    MBEDTLS_SSL_DEBUG_MSG( 1, ( "output buffer resizing failed - out of memory" ) );
-                }
-                else
-                {
-                    MBEDTLS_SSL_DEBUG_MSG( 2, ( "Reallocating out_buf to %d", MBEDTLS_SSL_OUT_BUFFER_LEN ) );
-                    modified = 1;
-                }
-            }
-        }
-        if( modified )
-        {
-            /* Update pointers here to avoid doing it twice. */
-            mbedtls_ssl_reset_in_out_pointers( ssl );
-            /* Fields below might not be properly updated with record
-             * splitting or with CID, so they are manually updated here. */
-            ssl->out_msg = ssl->out_buf + written_out;
-            ssl->out_len = ssl->out_buf + len_offset_out;
-            ssl->out_iv = ssl->out_buf + iv_offset_out;
-
-            ssl->in_msg = ssl->in_buf + written_in;
-            ssl->in_len = ssl->in_buf + len_offset_in;
-            ssl->in_iv = ssl->in_buf + iv_offset_in;
-        }
-    }
+    handle_buffer_resizing( ssl, 0, MBEDTLS_SSL_IN_BUFFER_LEN,
+                                    MBEDTLS_SSL_OUT_BUFFER_LEN );
 #endif
 
     /* All pointers should exist and can be directly freed without issue */
@@ -6068,66 +6077,8 @@
      * processes datagrams and the fact that a datagram is allowed to have
      * several records in it, it is possible that the I/O buffers are not
      * empty at this stage */
-    {
-        int modified = 0;
-        uint32_t buf_len = mbedtls_ssl_get_input_buflen( ssl );
-        size_t written_in = 0, iv_offset_in = 0, len_offset_in = 0;
-        size_t written_out = 0, iv_offset_out = 0, len_offset_out = 0;
-        if( ssl->in_buf != NULL )
-        {
-            written_in = ssl->in_msg - ssl->in_buf;
-            iv_offset_in = ssl->in_iv - ssl->in_buf;
-            len_offset_in = ssl->in_len - ssl->in_buf;
-            if( ssl->in_buf_len > buf_len && ssl->in_left < buf_len )
-            {
-                if( resize_buffer( &ssl->in_buf, buf_len, &ssl->in_buf_len ) != 0 )
-                {
-                    MBEDTLS_SSL_DEBUG_MSG( 1, ( "input buffer resizing failed - out of memory" ) );
-                }
-                else
-                {
-                    MBEDTLS_SSL_DEBUG_MSG( 2, ( "Reallocating in_buf to %d", buf_len ) );
-                    modified = 1;
-                }
-            }
-        }
-
-
-        buf_len = mbedtls_ssl_get_output_buflen( ssl );
-        if(ssl->out_buf != NULL )
-        {
-            written_out = ssl->out_msg - ssl->out_buf;
-            iv_offset_out = ssl->out_iv - ssl->out_buf;
-            len_offset_out = ssl->out_len - ssl->out_buf;
-            if( ssl->out_buf_len > mbedtls_ssl_get_output_buflen( ssl ) &&
-                ssl->out_left < buf_len )
-            {
-                if( resize_buffer( &ssl->out_buf, buf_len, &ssl->out_buf_len ) != 0 )
-                {
-                    MBEDTLS_SSL_DEBUG_MSG( 1, ( "output buffer resizing failed - out of memory" ) );
-                }
-                else
-                {
-                    MBEDTLS_SSL_DEBUG_MSG( 2, ( "Reallocating out_buf to %d", buf_len ) );
-                    modified = 1;
-                }
-            }
-        }
-        if( modified )
-        {
-            /* Update pointers here to avoid doing it twice. */
-            mbedtls_ssl_reset_in_out_pointers( ssl );
-            /* Fields below might not be properly updated with record
-             * splitting or with CID, so they are manually updated here. */
-            ssl->out_msg = ssl->out_buf + written_out;
-            ssl->out_len = ssl->out_buf + len_offset_out;
-            ssl->out_iv = ssl->out_buf + iv_offset_out;
-
-            ssl->in_msg = ssl->in_buf + written_in;
-            ssl->in_len = ssl->in_buf + len_offset_in;
-            ssl->in_iv = ssl->in_buf + iv_offset_in;
-        }
-    }
+    handle_buffer_resizing( ssl, 1, mbedtls_ssl_get_input_buflen( ssl ),
+                                    mbedtls_ssl_get_output_buflen( ssl ) );
 #endif
 }
 
diff --git a/library/x509write_crt.c b/library/x509write_crt.c
index 32c6550..498b8b0 100644
--- a/library/x509write_crt.c
+++ b/library/x509write_crt.c
@@ -163,7 +163,7 @@
     return(
         mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_BASIC_CONSTRAINTS,
                              MBEDTLS_OID_SIZE( MBEDTLS_OID_BASIC_CONSTRAINTS ),
-                             0, buf + sizeof(buf) - len, len ) );
+                             is_ca, buf + sizeof(buf) - len, len ) );
 }
 
 #if defined(MBEDTLS_SHA1_C)
diff --git a/programs/.gitignore b/programs/.gitignore
index 88fb9d5..33593e0 100644
--- a/programs/.gitignore
+++ b/programs/.gitignore
@@ -1,7 +1,13 @@
+# Ignore makefiles generated by CMake, but not the makefile that's checked in.
 */Makefile
+!fuzz/Makefile
+
 *.sln
 *.vcxproj
 
+*.o
+*.exe
+
 aes/aescrypt2
 aes/crypt_and_hash
 hash/generic_sum
diff --git a/programs/Makefile b/programs/Makefile
index 9cbc471..e0a324f 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -267,21 +267,32 @@
 	echo "  CC    ssl/ssl_client1.c"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) ssl/ssl_client1.c  $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
-ssl/ssl_client2$(EXEXT): ssl/ssl_client2.c test/query_config.c $(DEP)
+SSL_TEST_OBJECTS = test/query_config.o ssl/ssl_test_lib.o
+SSL_TEST_DEPS = $(SSL_TEST_OBJECTS) \
+		test/query_config.h \
+		ssl/ssl_test_lib.h \
+		ssl/ssl_test_common_source.c \
+		$(DEP)
+
+ssl/ssl_test_lib.o: ssl/ssl_test_lib.c ssl/ssl_test_lib.h $(DEP)
+	echo "  CC    ssl/ssl_test_lib.c"
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -c ssl/ssl_test_lib.c -o $@
+
+ssl/ssl_client2$(EXEXT): ssl/ssl_client2.c $(SSL_TEST_DEPS)
 	echo "  CC    ssl/ssl_client2.c"
-	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) ssl/ssl_client2.c test/query_config.c $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) ssl/ssl_client2.c $(SSL_TEST_OBJECTS) $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
 ssl/ssl_server$(EXEXT): ssl/ssl_server.c $(DEP)
 	echo "  CC    ssl/ssl_server.c"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) ssl/ssl_server.c   $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
-ssl/ssl_server2$(EXEXT): ssl/ssl_server2.c test/query_config.c $(DEP)
+ssl/ssl_server2$(EXEXT): ssl/ssl_server2.c $(SSL_TEST_DEPS)
 	echo "  CC    ssl/ssl_server2.c"
-	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) ssl/ssl_server2.c test/query_config.c $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) ssl/ssl_server2.c $(SSL_TEST_OBJECTS) $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
-ssl/ssl_context_info$(EXEXT): ssl/ssl_context_info.c test/query_config.c $(DEP)
+ssl/ssl_context_info$(EXEXT): ssl/ssl_context_info.c test/query_config.o test/query_config.h $(DEP)
 	echo "  CC    ssl/ssl_context_info.c"
-	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) ssl/ssl_context_info.c test/query_config.c $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) ssl/ssl_context_info.c test/query_config.o $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
 ssl/ssl_fork_server$(EXEXT): ssl/ssl_fork_server.c $(DEP)
 	echo "  CC    ssl/ssl_fork_server.c"
@@ -307,6 +318,10 @@
 	echo "  CXX   test/cpp_dummy_build.cpp"
 	$(CXX) $(LOCAL_CXXFLAGS) $(CXXFLAGS) test/cpp_dummy_build.cpp   $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
+test/query_config.o: test/query_config.c test/query_config.h $(DEP)
+	echo "  CC    test/query_config.c"
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -c test/query_config.c -o $@
+
 test/selftest$(EXEXT): test/selftest.c $(DEP)
 	echo "  CC    test/selftest.c"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) test/selftest.c    $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
@@ -319,9 +334,9 @@
 	echo "  CC    test/zeroize.c"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) test/zeroize.c    $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
-test/query_compile_time_config$(EXEXT): test/query_compile_time_config.c test/query_config.c $(DEP)
+test/query_compile_time_config$(EXEXT): test/query_compile_time_config.c test/query_config.o test/query_config.h $(DEP)
 	echo "  CC    test/query_compile_time_config.c"
-	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) test/query_compile_time_config.c test/query_config.c $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) test/query_compile_time_config.c test/query_config.o $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
 util/pem2der$(EXEXT): util/pem2der.c $(DEP)
 	echo "  CC    util/pem2der.c"
diff --git a/programs/fuzz/.gitignore b/programs/fuzz/.gitignore
index 6fcc004..5dc0960 100644
--- a/programs/fuzz/.gitignore
+++ b/programs/fuzz/.gitignore
@@ -1,4 +1,3 @@
-*.o
 fuzz_client
 fuzz_dtlsclient
 fuzz_dtlsserver
diff --git a/programs/ssl/CMakeLists.txt b/programs/ssl/CMakeLists.txt
index 149aa30..e4038f7 100644
--- a/programs/ssl/CMakeLists.txt
+++ b/programs/ssl/CMakeLists.txt
@@ -32,8 +32,10 @@
     target_include_directories(${exe} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../../tests/include)
 endforeach()
 
-set_property(TARGET ssl_client2 APPEND PROPERTY SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
-set_property(TARGET ssl_server2 APPEND PROPERTY SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
+set_property(TARGET ssl_client2 APPEND PROPERTY SOURCES
+    ssl_test_lib.c ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
+set_property(TARGET ssl_server2 APPEND PROPERTY SOURCES
+    ssl_test_lib.c ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
 
 if(THREADS_FOUND)
     add_executable(ssl_pthread_server ssl_pthread_server.c $<TARGET_OBJECTS:mbedtls_test>)
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 1ddfb80..0f0e93e 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -17,68 +17,21 @@
  *  limitations under the License.
  */
 
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "ssl_test_lib.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define mbedtls_printf     printf
-#define mbedtls_fprintf    fprintf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif
-
-#if !defined(MBEDTLS_ENTROPY_C) || \
-    !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
-    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
-    defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
+#if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
 int main( void )
 {
-    mbedtls_printf( "MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_CTR_DRBG_C and/or not defined "
-           " and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined.\n" );
+    mbedtls_printf( MBEDTLS_SSL_TEST_IMPOSSIBLE );
     mbedtls_exit( 0 );
 }
-#else
-
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-#include "mbedtls/memory_buffer_alloc.h"
-#endif
-
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/certs.h"
-#include "mbedtls/x509.h"
-#include "mbedtls/error.h"
-#include "mbedtls/debug.h"
-#include "mbedtls/timing.h"
-#include "mbedtls/base64.h"
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-#include "psa/crypto.h"
-#include "mbedtls/psa_util.h"
-#endif
-
-#include <test/helpers.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#elif !defined(MBEDTLS_SSL_CLI_C)
+int main( void )
+{
+    mbedtls_printf( "MBEDTLS_SSL_CLI_C not defined.\n" );
+    mbedtls_exit( 0 );
+}
+#else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
 
 /* Size of memory to be allocated for the heap, when using the library's memory
  * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */
@@ -568,425 +521,7 @@
     const char *mki;            /* The dtls mki value to use                */
 } opt;
 
-int query_config( const char *config );
-
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
-typedef struct eap_tls_keys
-{
-    unsigned char master_secret[48];
-    unsigned char randbytes[64];
-    mbedtls_tls_prf_types tls_prf_type;
-} eap_tls_keys;
-
-static int eap_tls_key_derivation ( void *p_expkey,
-                                    const unsigned char *ms,
-                                    const unsigned char *kb,
-                                    size_t maclen,
-                                    size_t keylen,
-                                    size_t ivlen,
-                                    const unsigned char client_random[32],
-                                    const unsigned char server_random[32],
-                                    mbedtls_tls_prf_types tls_prf_type )
-{
-    eap_tls_keys *keys = (eap_tls_keys *)p_expkey;
-
-    ( ( void ) kb );
-    memcpy( keys->master_secret, ms, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
-    keys->tls_prf_type = tls_prf_type;
-
-    if( opt.debug_level > 2 )
-    {
-        mbedtls_printf("exported maclen is %u\n", (unsigned)maclen);
-        mbedtls_printf("exported keylen is %u\n", (unsigned)keylen);
-        mbedtls_printf("exported ivlen is %u\n", (unsigned)ivlen);
-    }
-    return( 0 );
-}
-
-static int nss_keylog_export( void *p_expkey,
-                              const unsigned char *ms,
-                              const unsigned char *kb,
-                              size_t maclen,
-                              size_t keylen,
-                              size_t ivlen,
-                              const unsigned char client_random[32],
-                              const unsigned char server_random[32],
-                              mbedtls_tls_prf_types tls_prf_type )
-{
-    char nss_keylog_line[ 200 ];
-    size_t const client_random_len = 32;
-    size_t const master_secret_len = 48;
-    size_t len = 0;
-    size_t j;
-    int ret = 0;
-
-    ((void) p_expkey);
-    ((void) kb);
-    ((void) maclen);
-    ((void) keylen);
-    ((void) ivlen);
-    ((void) server_random);
-    ((void) tls_prf_type);
-
-    len += sprintf( nss_keylog_line + len,
-                    "%s", "CLIENT_RANDOM " );
-
-    for( j = 0; j < client_random_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", client_random[j] );
-    }
-
-    len += sprintf( nss_keylog_line + len, " " );
-
-    for( j = 0; j < master_secret_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", ms[j] );
-    }
-
-    len += sprintf( nss_keylog_line + len, "\n" );
-    nss_keylog_line[ len ] = '\0';
-
-    mbedtls_printf( "\n" );
-    mbedtls_printf( "---------------- NSS KEYLOG -----------------\n" );
-    mbedtls_printf( "%s", nss_keylog_line );
-    mbedtls_printf( "---------------------------------------------\n" );
-
-    if( opt.nss_keylog_file != NULL )
-    {
-        FILE *f;
-
-        if( ( f = fopen( opt.nss_keylog_file, "a" ) ) == NULL )
-        {
-            ret = -1;
-            goto exit;
-        }
-
-        if( fwrite( nss_keylog_line, 1, len, f ) != len )
-        {
-            ret = -1;
-            fclose( f );
-            goto exit;
-        }
-
-        fclose( f );
-    }
-
-exit:
-    mbedtls_platform_zeroize( nss_keylog_line,
-                              sizeof( nss_keylog_line ) );
-    return( ret );
-}
-
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-/* Supported SRTP mode needs a maximum of :
- * - 16 bytes for key (AES-128)
- * - 14 bytes SALT
- * One for sender, one for receiver context
- */
-#define MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH    60
-typedef struct dtls_srtp_keys
-{
-    unsigned char master_secret[48];
-    unsigned char randbytes[64];
-    mbedtls_tls_prf_types tls_prf_type;
-} dtls_srtp_keys;
-
-static int dtls_srtp_key_derivation( void *p_expkey,
-                                     const unsigned char *ms,
-                                     const unsigned char *kb,
-                                     size_t maclen,
-                                     size_t keylen,
-                                     size_t ivlen,
-                                     const unsigned char client_random[32],
-                                     const unsigned char server_random[32],
-                                     mbedtls_tls_prf_types tls_prf_type )
-{
-    dtls_srtp_keys *keys = (dtls_srtp_keys *)p_expkey;
-
-    ( ( void ) kb );
-    memcpy( keys->master_secret, ms, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
-    keys->tls_prf_type = tls_prf_type;
-
-    if( opt.debug_level > 2 )
-    {
-        mbedtls_printf( "exported maclen is %u\n", (unsigned) maclen );
-        mbedtls_printf( "exported keylen is %u\n", (unsigned) keylen );
-        mbedtls_printf( "exported ivlen is %u\n", (unsigned) ivlen );
-    }
-    return( 0 );
-}
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
-
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
-{
-    const char *p, *basename;
-
-    /* Extract basename from file */
-    for( p = basename = file; *p != '\0'; p++ )
-        if( *p == '/' || *p == '\\' )
-            basename = p + 1;
-
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: |%d| %s",
-                     basename, line, level, str );
-    fflush(  (FILE *) ctx  );
-}
-
-
-mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
-{
-    (void) time;
-    return 0x5af2a056;
-}
-
-int dummy_entropy( void *data, unsigned char *output, size_t len )
-{
-    size_t i;
-    int ret;
-    (void) data;
-
-    ret = mbedtls_entropy_func( data, output, len );
-    for ( i = 0; i < len; i++ )
-    {
-        //replace result with pseudo random
-        output[i] = (unsigned char) rand();
-    }
-    return( ret );
-}
-
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-int ca_callback( void *data, mbedtls_x509_crt const *child,
-                 mbedtls_x509_crt **candidates )
-{
-    int ret = 0;
-    mbedtls_x509_crt *ca = (mbedtls_x509_crt *) data;
-    mbedtls_x509_crt *first;
-
-    /* This is a test-only implementation of the CA callback
-     * which always returns the entire list of trusted certificates.
-     * Production implementations managing a large number of CAs
-     * should use an efficient presentation and lookup for the
-     * set of trusted certificates (such as a hashtable) and only
-     * return those trusted certificates which satisfy basic
-     * parental checks, such as the matching of child `Issuer`
-     * and parent `Subject` field or matching key identifiers. */
-    ((void) child);
-
-    first = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) );
-    if( first == NULL )
-    {
-        ret = -1;
-        goto exit;
-    }
-    mbedtls_x509_crt_init( first );
-
-    if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
-    {
-        ret = -1;
-        goto exit;
-    }
-
-    while( ca->next != NULL )
-    {
-        ca = ca->next;
-        if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
-        {
-            ret = -1;
-            goto exit;
-        }
-    }
-
-exit:
-
-    if( ret != 0 )
-    {
-        mbedtls_x509_crt_free( first );
-        mbedtls_free( first );
-        first = NULL;
-    }
-
-    *candidates = first;
-    return( ret );
-}
-#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
-
-/*
- * Test recv/send functions that make sure each try returns
- * WANT_READ/WANT_WRITE at least once before sucesseding
- */
-
-static int delayed_recv( void *ctx, unsigned char *buf, size_t len )
-{
-    static int first_try = 1;
-    int ret;
-
-    if( first_try )
-    {
-        first_try = 0;
-        return( MBEDTLS_ERR_SSL_WANT_READ );
-    }
-
-    ret = mbedtls_net_recv( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_SSL_WANT_READ )
-        first_try = 1; /* Next call will be a new operation */
-    return( ret );
-}
-
-static int delayed_send( void *ctx, const unsigned char *buf, size_t len )
-{
-    static int first_try = 1;
-    int ret;
-
-    if( first_try )
-    {
-        first_try = 0;
-        return( MBEDTLS_ERR_SSL_WANT_WRITE );
-    }
-
-    ret = mbedtls_net_send( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        first_try = 1; /* Next call will be a new operation */
-    return( ret );
-}
-
-typedef struct
-{
-    mbedtls_ssl_context *ssl;
-    mbedtls_net_context *net;
-} io_ctx_t;
-
-#if defined(MBEDTLS_SSL_RECORD_CHECKING)
-static int ssl_check_record( mbedtls_ssl_context const *ssl,
-                             unsigned char const *buf, size_t len )
-{
-    int ret;
-    unsigned char *tmp_buf;
-
-    tmp_buf = mbedtls_calloc( 1, len );
-    if( tmp_buf == NULL )
-        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
-    memcpy( tmp_buf, buf, len );
-
-    ret = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-    if( ret != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE )
-    {
-        int ret_repeated;
-
-        /* Test-only: Make sure that mbedtls_ssl_check_record()
-         *            doesn't alter state. */
-        memcpy( tmp_buf, buf, len ); /* Restore buffer */
-        ret_repeated = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-        if( ret != ret_repeated )
-        {
-            mbedtls_printf( "mbedtls_ssl_check_record() returned inconsistent results.\n" );
-            return( -1 );
-        }
-
-        switch( ret )
-        {
-            case 0:
-                break;
-
-            case MBEDTLS_ERR_SSL_INVALID_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected invalid record.\n" );
-                break;
-
-            case MBEDTLS_ERR_SSL_INVALID_MAC:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unauthentic record.\n" );
-                break;
-
-            case MBEDTLS_ERR_SSL_UNEXPECTED_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unexpected record.\n" );
-                break;
-
-            default:
-                mbedtls_printf( "mbedtls_ssl_check_record() failed fatally with -%#04x.\n", (unsigned int) -ret );
-                return( -1 );
-        }
-
-        /* Regardless of the outcome, forward the record to the stack. */
-    }
-
-    mbedtls_free( tmp_buf );
-
-    return( 0 );
-}
-#endif /* MBEDTLS_SSL_RECORD_CHECKING */
-
-static int recv_cb( void *ctx, unsigned char *buf, size_t len )
-{
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
-    size_t recv_len;
-    int ret;
-
-    if( opt.nbio == 2 )
-        ret = delayed_recv( io_ctx->net, buf, len );
-    else
-        ret = mbedtls_net_recv( io_ctx->net, buf, len );
-    if( ret < 0 )
-        return( ret );
-    recv_len = (size_t) ret;
-
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        /* Here's the place to do any datagram/record checking
-         * in between receiving the packet from the underlying
-         * transport and passing it on to the TLS stack. */
-#if defined(MBEDTLS_SSL_RECORD_CHECKING)
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return( -1 );
-#endif /* MBEDTLS_SSL_RECORD_CHECKING */
-    }
-
-    return( (int) recv_len );
-}
-
-static int recv_timeout_cb( void *ctx, unsigned char *buf, size_t len,
-                            uint32_t timeout )
-{
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
-    int ret;
-    size_t recv_len;
-
-    ret = mbedtls_net_recv_timeout( io_ctx->net, buf, len, timeout );
-    if( ret < 0 )
-        return( ret );
-    recv_len = (size_t) ret;
-
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        /* Here's the place to do any datagram/record checking
-         * in between receiving the packet from the underlying
-         * transport and passing it on to the TLS stack. */
-#if defined(MBEDTLS_SSL_RECORD_CHECKING)
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return( -1 );
-#endif /* MBEDTLS_SSL_RECORD_CHECKING */
-    }
-
-    return( (int) recv_len );
-}
-
-static int send_cb( void *ctx, unsigned char const *buf, size_t len )
-{
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
-
-    if( opt.nbio == 2 )
-        return( delayed_send( io_ctx->net, buf, len ) );
-
-    return( mbedtls_net_send( io_ctx->net, buf, len ) );
-}
+#include "ssl_test_common_source.c"
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
 static unsigned char peer_crt_info[1024];
@@ -1020,75 +555,8 @@
 
     return( 0 );
 }
-
-static int ssl_sig_hashes_for_test[] = {
-#if defined(MBEDTLS_SHA512_C)
-    MBEDTLS_MD_SHA512,
-    MBEDTLS_MD_SHA384,
-#endif
-#if defined(MBEDTLS_SHA256_C)
-    MBEDTLS_MD_SHA256,
-    MBEDTLS_MD_SHA224,
-#endif
-#if defined(MBEDTLS_SHA1_C)
-    /* Allow SHA-1 as we use it extensively in tests. */
-    MBEDTLS_MD_SHA1,
-#endif
-    MBEDTLS_MD_NONE
-};
 #endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-/*
- * Wait for an event from the underlying transport or the timer
- * (Used in event-driven IO mode).
- */
-#if !defined(MBEDTLS_TIMING_C)
-int idle( mbedtls_net_context *fd,
-          int idle_reason )
-#else
-int idle( mbedtls_net_context *fd,
-          mbedtls_timing_delay_context *timer,
-          int idle_reason )
-#endif
-{
-
-    int ret;
-    int poll_type = 0;
-
-    if( idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE )
-        poll_type = MBEDTLS_NET_POLL_WRITE;
-    else if( idle_reason == MBEDTLS_ERR_SSL_WANT_READ )
-        poll_type = MBEDTLS_NET_POLL_READ;
-#if !defined(MBEDTLS_TIMING_C)
-    else
-        return( 0 );
-#endif
-
-    while( 1 )
-    {
-        /* Check if timer has expired */
-#if defined(MBEDTLS_TIMING_C)
-        if( timer != NULL &&
-            mbedtls_timing_get_delay( timer ) == 2 )
-        {
-            break;
-        }
-#endif /* MBEDTLS_TIMING_C */
-
-        /* Check if underlying transport became available */
-        if( poll_type != 0 )
-        {
-            ret = mbedtls_net_poll( fd, poll_type, 0 );
-            if( ret < 0 )
-                return( ret );
-            if( ret == poll_type )
-                break;
-        }
-    }
-
-    return( 0 );
-}
-
 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
 int report_cid_usage( mbedtls_ssl_context *ssl,
                       const char *additional_description )
@@ -3612,6 +3080,4 @@
     else
         mbedtls_exit( query_config_ret );
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
-          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
-          MBEDTLS_CTR_DRBG_C MBEDTLS_TIMING_C */
+#endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index 4e11cb3..9527698 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -17,64 +17,22 @@
  *  limitations under the License.
  */
 
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "ssl_test_lib.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define mbedtls_calloc    calloc
-#define mbedtls_fprintf    fprintf
-#define mbedtls_printf     printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif
-
-#if !defined(MBEDTLS_ENTROPY_C) || \
-    !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_SRV_C) || \
-    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
-    defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
+#if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
 int main( void )
 {
-    mbedtls_printf( "MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_CTR_DRBG_C and/or not defined "
-           " and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined.\n" );
+    mbedtls_printf( MBEDTLS_SSL_TEST_IMPOSSIBLE );
     mbedtls_exit( 0 );
 }
-#else
+#elif !defined(MBEDTLS_SSL_SRV_C)
+int main( void )
+{
+    mbedtls_printf( "MBEDTLS_SSL_SRV_C not defined.\n" );
+    mbedtls_exit( 0 );
+}
+#else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
 
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/certs.h"
-#include "mbedtls/x509.h"
-#include "mbedtls/error.h"
-#include "mbedtls/debug.h"
-#include "mbedtls/timing.h"
-#include "mbedtls/base64.h"
-
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-#include "psa/crypto.h"
-#include "mbedtls/psa_util.h"
-#endif
-
-#include <test/helpers.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 #include <stdint.h>
 
 #if !defined(_MSC_VER)
@@ -97,10 +55,6 @@
 #include "mbedtls/ssl_cookie.h"
 #endif
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-#include "mbedtls/memory_buffer_alloc.h"
-#endif
-
 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && defined(MBEDTLS_FS_IO)
 #define SNI_OPTION
 #endif
@@ -670,424 +624,7 @@
     int support_mki;            /* The dtls mki mki support                 */
 } opt;
 
-int query_config( const char *config );
-
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
-typedef struct eap_tls_keys
-{
-    unsigned char master_secret[48];
-    unsigned char randbytes[64];
-    mbedtls_tls_prf_types tls_prf_type;
-} eap_tls_keys;
-
-static int eap_tls_key_derivation ( void *p_expkey,
-                                    const unsigned char *ms,
-                                    const unsigned char *kb,
-                                    size_t maclen,
-                                    size_t keylen,
-                                    size_t ivlen,
-                                    const unsigned char client_random[32],
-                                    const unsigned char server_random[32],
-                                    mbedtls_tls_prf_types tls_prf_type )
-{
-    eap_tls_keys *keys = (eap_tls_keys *)p_expkey;
-
-    ( ( void ) kb );
-    memcpy( keys->master_secret, ms, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
-    keys->tls_prf_type = tls_prf_type;
-
-    if( opt.debug_level > 2 )
-    {
-        mbedtls_printf("exported maclen is %u\n", (unsigned)maclen);
-        mbedtls_printf("exported keylen is %u\n", (unsigned)keylen);
-        mbedtls_printf("exported ivlen is %u\n", (unsigned)ivlen);
-    }
-    return( 0 );
-}
-
-static int nss_keylog_export( void *p_expkey,
-                              const unsigned char *ms,
-                              const unsigned char *kb,
-                              size_t maclen,
-                              size_t keylen,
-                              size_t ivlen,
-                              const unsigned char client_random[32],
-                              const unsigned char server_random[32],
-                              mbedtls_tls_prf_types tls_prf_type )
-{
-    char nss_keylog_line[ 200 ];
-    size_t const client_random_len = 32;
-    size_t const master_secret_len = 48;
-    size_t len = 0;
-    size_t j;
-    int ret = 0;
-
-    ((void) p_expkey);
-    ((void) kb);
-    ((void) maclen);
-    ((void) keylen);
-    ((void) ivlen);
-    ((void) server_random);
-    ((void) tls_prf_type);
-
-    len += sprintf( nss_keylog_line + len,
-                    "%s", "CLIENT_RANDOM " );
-
-    for( j = 0; j < client_random_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", client_random[j] );
-    }
-
-    len += sprintf( nss_keylog_line + len, " " );
-
-    for( j = 0; j < master_secret_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", ms[j] );
-    }
-
-    len += sprintf( nss_keylog_line + len, "\n" );
-    nss_keylog_line[ len ] = '\0';
-
-    mbedtls_printf( "\n" );
-    mbedtls_printf( "---------------- NSS KEYLOG -----------------\n" );
-    mbedtls_printf( "%s", nss_keylog_line );
-    mbedtls_printf( "---------------------------------------------\n" );
-
-    if( opt.nss_keylog_file != NULL )
-    {
-        FILE *f;
-
-        if( ( f = fopen( opt.nss_keylog_file, "a" ) ) == NULL )
-        {
-            ret = -1;
-            goto exit;
-        }
-
-        if( fwrite( nss_keylog_line, 1, len, f ) != len )
-        {
-            ret = -1;
-            fclose( f );
-            goto exit;
-        }
-
-        fclose( f );
-    }
-
-exit:
-    mbedtls_platform_zeroize( nss_keylog_line,
-                              sizeof( nss_keylog_line ) );
-    return( ret );
-}
-
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-/* Supported SRTP mode needs a maximum of :
- * - 16 bytes for key (AES-128)
- * - 14 bytes SALT
- * One for sender, one for receiver context
- */
-#define MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH    60
-typedef struct dtls_srtp_keys
-{
-    unsigned char master_secret[48];
-    unsigned char randbytes[64];
-    mbedtls_tls_prf_types tls_prf_type;
-} dtls_srtp_keys;
-
-static int dtls_srtp_key_derivation( void *p_expkey,
-                                     const unsigned char *ms,
-                                     const unsigned char *kb,
-                                     size_t maclen,
-                                     size_t keylen,
-                                     size_t ivlen,
-                                     const unsigned char client_random[32],
-                                     const unsigned char server_random[32],
-                                     mbedtls_tls_prf_types tls_prf_type )
-{
-    dtls_srtp_keys *keys = (dtls_srtp_keys *)p_expkey;
-
-    ( ( void ) kb );
-    memcpy( keys->master_secret, ms, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
-    keys->tls_prf_type = tls_prf_type;
-
-    if( opt.debug_level > 2 )
-    {
-        mbedtls_printf( "exported maclen is %u\n", (unsigned) maclen );
-        mbedtls_printf( "exported keylen is %u\n", (unsigned) keylen );
-        mbedtls_printf( "exported ivlen is %u\n", (unsigned) ivlen );
-    }
-    return( 0 );
-}
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
-
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
-
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
-{
-    const char *p, *basename;
-
-    /* Extract basename from file */
-    for( p = basename = file; *p != '\0'; p++ )
-        if( *p == '/' || *p == '\\' )
-            basename = p + 1;
-
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: |%d| %s", basename, line, level, str );
-    fflush(  (FILE *) ctx  );
-}
-
-mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
-{
-    (void) time;
-    return 0x5af2a056;
-}
-
-int dummy_entropy( void *data, unsigned char *output, size_t len )
-{
-    size_t i;
-    int ret;
-    (void) data;
-
-    ret = mbedtls_entropy_func( data, output, len );
-    for (i = 0; i < len; i++ ) {
-        //replace result with pseudo random
-        output[i] = (unsigned char) rand();
-    }
-    return( ret );
-}
-
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-int ca_callback( void *data, mbedtls_x509_crt const *child,
-                 mbedtls_x509_crt **candidates)
-{
-    int ret = 0;
-    mbedtls_x509_crt *ca = (mbedtls_x509_crt *) data;
-    mbedtls_x509_crt *first;
-
-    /* This is a test-only implementation of the CA callback
-     * which always returns the entire list of trusted certificates.
-     * Production implementations managing a large number of CAs
-     * should use an efficient presentation and lookup for the
-     * set of trusted certificates (such as a hashtable) and only
-     * return those trusted certificates which satisfy basic
-     * parental checks, such as the matching of child `Issuer`
-     * and parent `Subject` field. */
-    ((void) child);
-
-    first = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) );
-    if( first == NULL )
-    {
-        ret = -1;
-        goto exit;
-    }
-    mbedtls_x509_crt_init( first );
-
-    if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
-    {
-        ret = -1;
-        goto exit;
-    }
-
-    while( ca->next != NULL )
-    {
-        ca = ca->next;
-        if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
-        {
-            ret = -1;
-            goto exit;
-        }
-    }
-
-exit:
-
-    if( ret != 0 )
-    {
-        mbedtls_x509_crt_free( first );
-        mbedtls_free( first );
-        first = NULL;
-    }
-
-    *candidates = first;
-    return( ret );
-}
-#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
-
-/*
- * Test recv/send functions that make sure each try returns
- * WANT_READ/WANT_WRITE at least once before sucesseding
- */
-static int delayed_recv( void *ctx, unsigned char *buf, size_t len )
-{
-    static int first_try = 1;
-    int ret;
-
-    if( first_try )
-    {
-        first_try = 0;
-        return( MBEDTLS_ERR_SSL_WANT_READ );
-    }
-
-    ret = mbedtls_net_recv( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_SSL_WANT_READ )
-        first_try = 1; /* Next call will be a new operation */
-    return( ret );
-}
-
-static int delayed_send( void *ctx, const unsigned char *buf, size_t len )
-{
-    static int first_try = 1;
-    int ret;
-
-    if( first_try )
-    {
-        first_try = 0;
-        return( MBEDTLS_ERR_SSL_WANT_WRITE );
-    }
-
-    ret = mbedtls_net_send( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        first_try = 1; /* Next call will be a new operation */
-    return( ret );
-}
-
-typedef struct
-{
-    mbedtls_ssl_context *ssl;
-    mbedtls_net_context *net;
-} io_ctx_t;
-
-#if defined(MBEDTLS_SSL_RECORD_CHECKING)
-static int ssl_check_record( mbedtls_ssl_context const *ssl,
-                             unsigned char const *buf, size_t len )
-{
-    int ret;
-    unsigned char *tmp_buf;
-
-    /* Record checking may modify the input buffer,
-     * so make a copy. */
-    tmp_buf = mbedtls_calloc( 1, len );
-    if( tmp_buf == NULL )
-        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
-    memcpy( tmp_buf, buf, len );
-
-    ret = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-    if( ret != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE )
-    {
-        int ret_repeated;
-
-        /* Test-only: Make sure that mbedtls_ssl_check_record()
-         *            doesn't alter state. */
-        memcpy( tmp_buf, buf, len ); /* Restore buffer */
-        ret_repeated = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-        if( ret != ret_repeated )
-        {
-            mbedtls_printf( "mbedtls_ssl_check_record() returned inconsistent results.\n" );
-            return( -1 );
-        }
-
-        switch( ret )
-        {
-            case 0:
-                break;
-
-            case MBEDTLS_ERR_SSL_INVALID_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected invalid record.\n" );
-                break;
-
-            case MBEDTLS_ERR_SSL_INVALID_MAC:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unauthentic record.\n" );
-                break;
-
-            case MBEDTLS_ERR_SSL_UNEXPECTED_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unexpected record.\n" );
-                break;
-
-            default:
-                mbedtls_printf( "mbedtls_ssl_check_record() failed fatally with -%#04x.\n", (unsigned int) -ret );
-                return( -1 );
-        }
-
-        /* Regardless of the outcome, forward the record to the stack. */
-    }
-
-    mbedtls_free( tmp_buf );
-
-    return( 0 );
-}
-#endif /* MBEDTLS_SSL_RECORD_CHECKING */
-
-static int recv_cb( void *ctx, unsigned char *buf, size_t len )
-{
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
-    size_t recv_len;
-    int ret;
-
-    if( opt.nbio == 2 )
-        ret = delayed_recv( io_ctx->net, buf, len );
-    else
-        ret = mbedtls_net_recv( io_ctx->net, buf, len );
-    if( ret < 0 )
-        return( ret );
-    recv_len = (size_t) ret;
-
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        /* Here's the place to do any datagram/record checking
-         * in between receiving the packet from the underlying
-         * transport and passing it on to the TLS stack. */
-#if defined(MBEDTLS_SSL_RECORD_CHECKING)
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return( -1 );
-#endif /* MBEDTLS_SSL_RECORD_CHECKING */
-    }
-
-    return( (int) recv_len );
-}
-
-static int recv_timeout_cb( void *ctx, unsigned char *buf, size_t len,
-                            uint32_t timeout )
-{
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
-    int ret;
-    size_t recv_len;
-
-    ret = mbedtls_net_recv_timeout( io_ctx->net, buf, len, timeout );
-    if( ret < 0 )
-        return( ret );
-    recv_len = (size_t) ret;
-
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        /* Here's the place to do any datagram/record checking
-         * in between receiving the packet from the underlying
-         * transport and passing it on to the TLS stack. */
-#if defined(MBEDTLS_SSL_RECORD_CHECKING)
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return( -1 );
-#endif /* MBEDTLS_SSL_RECORD_CHECKING */
-    }
-
-    return( (int) recv_len );
-}
-
-static int send_cb( void *ctx, unsigned char const *buf, size_t len )
-{
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
-
-    if( opt.nbio == 2 )
-        return( delayed_send( io_ctx->net, buf, len ) );
-
-    return( mbedtls_net_send( io_ctx->net, buf, len ) );
-}
+#include "ssl_test_common_source.c"
 
 /*
  * Return authmode from string, or -1 on error
@@ -1406,24 +943,6 @@
 }
 #endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-static int ssl_sig_hashes_for_test[] = {
-#if defined(MBEDTLS_SHA512_C)
-    MBEDTLS_MD_SHA512,
-    MBEDTLS_MD_SHA384,
-#endif
-#if defined(MBEDTLS_SHA256_C)
-    MBEDTLS_MD_SHA256,
-    MBEDTLS_MD_SHA224,
-#endif
-#if defined(MBEDTLS_SHA1_C)
-    /* Allow SHA-1 as we use it extensively in tests. */
-    MBEDTLS_MD_SHA1,
-#endif
-    MBEDTLS_MD_NONE
-};
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
-
 /** Return true if \p ret is a status code indicating that there is an
  * operation in progress on an SSL connection, and false if it indicates
  * success or a fatal error.
@@ -1662,56 +1181,6 @@
 }
 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
 
-/*
- * Wait for an event from the underlying transport or the timer
- * (Used in event-driven IO mode).
- */
-#if !defined(MBEDTLS_TIMING_C)
-int idle( mbedtls_net_context *fd,
-          int idle_reason )
-#else
-int idle( mbedtls_net_context *fd,
-          mbedtls_timing_delay_context *timer,
-          int idle_reason )
-#endif
-{
-    int ret;
-    int poll_type = 0;
-
-    if( idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE )
-        poll_type = MBEDTLS_NET_POLL_WRITE;
-    else if( idle_reason == MBEDTLS_ERR_SSL_WANT_READ )
-        poll_type = MBEDTLS_NET_POLL_READ;
-#if !defined(MBEDTLS_TIMING_C)
-    else
-        return( 0 );
-#endif
-
-    while( 1 )
-    {
-        /* Check if timer has expired */
-#if defined(MBEDTLS_TIMING_C)
-        if( timer != NULL &&
-            mbedtls_timing_get_delay( timer ) == 2 )
-        {
-            break;
-        }
-#endif /* MBEDTLS_TIMING_C */
-
-        /* Check if underlying transport became available */
-        if( poll_type != 0 )
-        {
-            ret = mbedtls_net_poll( fd, poll_type, 0 );
-            if( ret < 0 )
-                return( ret );
-            if( ret == poll_type )
-                break;
-        }
-    }
-
-    return( 0 );
-}
-
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 static psa_status_t psa_setup_psk_key_slot( psa_key_id_t *slot,
                                             psa_algorithm_t alg,
@@ -4576,6 +4045,4 @@
     else
         mbedtls_exit( query_config_ret );
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
-          MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
-          MBEDTLS_CTR_DRBG_C */
+#endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
diff --git a/programs/ssl/ssl_test_common_source.c b/programs/ssl/ssl_test_common_source.c
new file mode 100644
index 0000000..d9e3607
--- /dev/null
+++ b/programs/ssl/ssl_test_common_source.c
@@ -0,0 +1,305 @@
+/*
+ *  Common source code for SSL test programs. This file is included by
+ *  both ssl_client2.c and ssl_server2.c and is intended for source
+ *  code that is textually identical in both programs, but that cannot be
+ *  compiled separately because it refers to types or macros that are
+ *  different in the two programs, or because it would have an incomplete
+ *  type.
+ *
+ *  This file is meant to be #include'd and cannot be compiled separately.
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+int eap_tls_key_derivation( void *p_expkey,
+                            const unsigned char *ms,
+                            const unsigned char *kb,
+                            size_t maclen,
+                            size_t keylen,
+                            size_t ivlen,
+                            const unsigned char client_random[32],
+                            const unsigned char server_random[32],
+                            mbedtls_tls_prf_types tls_prf_type )
+{
+    eap_tls_keys *keys = (eap_tls_keys *)p_expkey;
+
+    ( ( void ) kb );
+    memcpy( keys->master_secret, ms, sizeof( keys->master_secret ) );
+    memcpy( keys->randbytes, client_random, 32 );
+    memcpy( keys->randbytes + 32, server_random, 32 );
+    keys->tls_prf_type = tls_prf_type;
+
+    if( opt.debug_level > 2 )
+    {
+        mbedtls_printf("exported maclen is %u\n", (unsigned)maclen);
+        mbedtls_printf("exported keylen is %u\n", (unsigned)keylen);
+        mbedtls_printf("exported ivlen is %u\n", (unsigned)ivlen);
+    }
+    return( 0 );
+}
+
+int nss_keylog_export( void *p_expkey,
+                       const unsigned char *ms,
+                       const unsigned char *kb,
+                       size_t maclen,
+                       size_t keylen,
+                       size_t ivlen,
+                       const unsigned char client_random[32],
+                       const unsigned char server_random[32],
+                       mbedtls_tls_prf_types tls_prf_type )
+{
+    char nss_keylog_line[ 200 ];
+    size_t const client_random_len = 32;
+    size_t const master_secret_len = 48;
+    size_t len = 0;
+    size_t j;
+    int ret = 0;
+
+    ((void) p_expkey);
+    ((void) kb);
+    ((void) maclen);
+    ((void) keylen);
+    ((void) ivlen);
+    ((void) server_random);
+    ((void) tls_prf_type);
+
+    len += sprintf( nss_keylog_line + len,
+                    "%s", "CLIENT_RANDOM " );
+
+    for( j = 0; j < client_random_len; j++ )
+    {
+        len += sprintf( nss_keylog_line + len,
+                        "%02x", client_random[j] );
+    }
+
+    len += sprintf( nss_keylog_line + len, " " );
+
+    for( j = 0; j < master_secret_len; j++ )
+    {
+        len += sprintf( nss_keylog_line + len,
+                        "%02x", ms[j] );
+    }
+
+    len += sprintf( nss_keylog_line + len, "\n" );
+    nss_keylog_line[ len ] = '\0';
+
+    mbedtls_printf( "\n" );
+    mbedtls_printf( "---------------- NSS KEYLOG -----------------\n" );
+    mbedtls_printf( "%s", nss_keylog_line );
+    mbedtls_printf( "---------------------------------------------\n" );
+
+    if( opt.nss_keylog_file != NULL )
+    {
+        FILE *f;
+
+        if( ( f = fopen( opt.nss_keylog_file, "a" ) ) == NULL )
+        {
+            ret = -1;
+            goto exit;
+        }
+
+        if( fwrite( nss_keylog_line, 1, len, f ) != len )
+        {
+            ret = -1;
+            fclose( f );
+            goto exit;
+        }
+
+        fclose( f );
+    }
+
+exit:
+    mbedtls_platform_zeroize( nss_keylog_line,
+                              sizeof( nss_keylog_line ) );
+    return( ret );
+}
+
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+int dtls_srtp_key_derivation( void *p_expkey,
+                              const unsigned char *ms,
+                              const unsigned char *kb,
+                              size_t maclen,
+                              size_t keylen,
+                              size_t ivlen,
+                              const unsigned char client_random[32],
+                              const unsigned char server_random[32],
+                              mbedtls_tls_prf_types tls_prf_type )
+{
+    dtls_srtp_keys *keys = (dtls_srtp_keys *)p_expkey;
+
+    ( ( void ) kb );
+    memcpy( keys->master_secret, ms, sizeof( keys->master_secret ) );
+    memcpy( keys->randbytes, client_random, 32 );
+    memcpy( keys->randbytes + 32, server_random, 32 );
+    keys->tls_prf_type = tls_prf_type;
+
+    if( opt.debug_level > 2 )
+    {
+        mbedtls_printf( "exported maclen is %u\n", (unsigned) maclen );
+        mbedtls_printf( "exported keylen is %u\n", (unsigned) keylen );
+        mbedtls_printf( "exported ivlen is %u\n", (unsigned) ivlen );
+    }
+    return( 0 );
+}
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_SSL_RECORD_CHECKING)
+int ssl_check_record( mbedtls_ssl_context const *ssl,
+                      unsigned char const *buf, size_t len )
+{
+    int ret;
+    unsigned char *tmp_buf;
+
+    /* Record checking may modify the input buffer,
+     * so make a copy. */
+    tmp_buf = mbedtls_calloc( 1, len );
+    if( tmp_buf == NULL )
+        return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
+    memcpy( tmp_buf, buf, len );
+
+    ret = mbedtls_ssl_check_record( ssl, tmp_buf, len );
+    if( ret != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE )
+    {
+        int ret_repeated;
+
+        /* Test-only: Make sure that mbedtls_ssl_check_record()
+         *            doesn't alter state. */
+        memcpy( tmp_buf, buf, len ); /* Restore buffer */
+        ret_repeated = mbedtls_ssl_check_record( ssl, tmp_buf, len );
+        if( ret != ret_repeated )
+        {
+            mbedtls_printf( "mbedtls_ssl_check_record() returned inconsistent results.\n" );
+            return( -1 );
+        }
+
+        switch( ret )
+        {
+            case 0:
+                break;
+
+            case MBEDTLS_ERR_SSL_INVALID_RECORD:
+                if( opt.debug_level > 1 )
+                    mbedtls_printf( "mbedtls_ssl_check_record() detected invalid record.\n" );
+                break;
+
+            case MBEDTLS_ERR_SSL_INVALID_MAC:
+                if( opt.debug_level > 1 )
+                    mbedtls_printf( "mbedtls_ssl_check_record() detected unauthentic record.\n" );
+                break;
+
+            case MBEDTLS_ERR_SSL_UNEXPECTED_RECORD:
+                if( opt.debug_level > 1 )
+                    mbedtls_printf( "mbedtls_ssl_check_record() detected unexpected record.\n" );
+                break;
+
+            default:
+                mbedtls_printf( "mbedtls_ssl_check_record() failed fatally with -%#04x.\n", (unsigned int) -ret );
+                return( -1 );
+        }
+
+        /* Regardless of the outcome, forward the record to the stack. */
+    }
+
+    mbedtls_free( tmp_buf );
+
+    return( 0 );
+}
+#endif /* MBEDTLS_SSL_RECORD_CHECKING */
+
+int recv_cb( void *ctx, unsigned char *buf, size_t len )
+{
+    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    size_t recv_len;
+    int ret;
+
+    if( opt.nbio == 2 )
+        ret = delayed_recv( io_ctx->net, buf, len );
+    else
+        ret = mbedtls_net_recv( io_ctx->net, buf, len );
+    if( ret < 0 )
+        return( ret );
+    recv_len = (size_t) ret;
+
+    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+    {
+        /* Here's the place to do any datagram/record checking
+         * in between receiving the packet from the underlying
+         * transport and passing it on to the TLS stack. */
+#if defined(MBEDTLS_SSL_RECORD_CHECKING)
+        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
+            return( -1 );
+#endif /* MBEDTLS_SSL_RECORD_CHECKING */
+    }
+
+    return( (int) recv_len );
+}
+
+int recv_timeout_cb( void *ctx, unsigned char *buf, size_t len,
+                     uint32_t timeout )
+{
+    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    int ret;
+    size_t recv_len;
+
+    ret = mbedtls_net_recv_timeout( io_ctx->net, buf, len, timeout );
+    if( ret < 0 )
+        return( ret );
+    recv_len = (size_t) ret;
+
+    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+    {
+        /* Here's the place to do any datagram/record checking
+         * in between receiving the packet from the underlying
+         * transport and passing it on to the TLS stack. */
+#if defined(MBEDTLS_SSL_RECORD_CHECKING)
+        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
+            return( -1 );
+#endif /* MBEDTLS_SSL_RECORD_CHECKING */
+    }
+
+    return( (int) recv_len );
+}
+
+int send_cb( void *ctx, unsigned char const *buf, size_t len )
+{
+    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+
+    if( opt.nbio == 2 )
+        return( delayed_send( io_ctx->net, buf, len ) );
+
+    return( mbedtls_net_send( io_ctx->net, buf, len ) );
+}
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+int ssl_sig_hashes_for_test[] = {
+#if defined(MBEDTLS_SHA512_C)
+    MBEDTLS_MD_SHA512,
+    MBEDTLS_MD_SHA384,
+#endif
+#if defined(MBEDTLS_SHA256_C)
+    MBEDTLS_MD_SHA256,
+    MBEDTLS_MD_SHA224,
+#endif
+#if defined(MBEDTLS_SHA1_C)
+    /* Allow SHA-1 as we use it extensively in tests. */
+    MBEDTLS_MD_SHA1,
+#endif
+    MBEDTLS_MD_NONE
+};
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
diff --git a/programs/ssl/ssl_test_lib.c b/programs/ssl/ssl_test_lib.c
new file mode 100644
index 0000000..22453c1
--- /dev/null
+++ b/programs/ssl/ssl_test_lib.c
@@ -0,0 +1,200 @@
+/*
+ *  Common code library for SSL test programs.
+ *
+ *  In addition to the functions in this file, there is shared source code
+ *  that cannot be compiled separately in "ssl_test_common_source.c".
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include "ssl_test_lib.h"
+
+#if !defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
+
+void my_debug( void *ctx, int level,
+               const char *file, int line,
+               const char *str )
+{
+    const char *p, *basename;
+
+    /* Extract basename from file */
+    for( p = basename = file; *p != '\0'; p++ )
+        if( *p == '/' || *p == '\\' )
+            basename = p + 1;
+
+    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: |%d| %s",
+                     basename, line, level, str );
+    fflush( (FILE *) ctx  );
+}
+
+mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
+{
+    (void) time;
+    return 0x5af2a056;
+}
+
+int dummy_entropy( void *data, unsigned char *output, size_t len )
+{
+    size_t i;
+    int ret;
+    (void) data;
+
+    ret = mbedtls_entropy_func( data, output, len );
+    for( i = 0; i < len; i++ )
+    {
+        //replace result with pseudo random
+        output[i] = (unsigned char) rand();
+    }
+    return( ret );
+}
+
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+int ca_callback( void *data, mbedtls_x509_crt const *child,
+                 mbedtls_x509_crt **candidates )
+{
+    int ret = 0;
+    mbedtls_x509_crt *ca = (mbedtls_x509_crt *) data;
+    mbedtls_x509_crt *first;
+
+    /* This is a test-only implementation of the CA callback
+     * which always returns the entire list of trusted certificates.
+     * Production implementations managing a large number of CAs
+     * should use an efficient presentation and lookup for the
+     * set of trusted certificates (such as a hashtable) and only
+     * return those trusted certificates which satisfy basic
+     * parental checks, such as the matching of child `Issuer`
+     * and parent `Subject` field or matching key identifiers. */
+    ((void) child);
+
+    first = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) );
+    if( first == NULL )
+    {
+        ret = -1;
+        goto exit;
+    }
+    mbedtls_x509_crt_init( first );
+
+    if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
+    {
+        ret = -1;
+        goto exit;
+    }
+
+    while( ca->next != NULL )
+    {
+        ca = ca->next;
+        if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
+        {
+            ret = -1;
+            goto exit;
+        }
+    }
+
+exit:
+
+    if( ret != 0 )
+    {
+        mbedtls_x509_crt_free( first );
+        mbedtls_free( first );
+        first = NULL;
+    }
+
+    *candidates = first;
+    return( ret );
+}
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+
+int delayed_recv( void *ctx, unsigned char *buf, size_t len )
+{
+    static int first_try = 1;
+    int ret;
+
+    if( first_try )
+    {
+        first_try = 0;
+        return( MBEDTLS_ERR_SSL_WANT_READ );
+    }
+
+    ret = mbedtls_net_recv( ctx, buf, len );
+    if( ret != MBEDTLS_ERR_SSL_WANT_READ )
+        first_try = 1; /* Next call will be a new operation */
+    return( ret );
+}
+
+int delayed_send( void *ctx, const unsigned char *buf, size_t len )
+{
+    static int first_try = 1;
+    int ret;
+
+    if( first_try )
+    {
+        first_try = 0;
+        return( MBEDTLS_ERR_SSL_WANT_WRITE );
+    }
+
+    ret = mbedtls_net_send( ctx, buf, len );
+    if( ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+        first_try = 1; /* Next call will be a new operation */
+    return( ret );
+}
+
+#if !defined(MBEDTLS_TIMING_C)
+int idle( mbedtls_net_context *fd,
+          int idle_reason )
+#else
+int idle( mbedtls_net_context *fd,
+          mbedtls_timing_delay_context *timer,
+          int idle_reason )
+#endif
+{
+    int ret;
+    int poll_type = 0;
+
+    if( idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE )
+        poll_type = MBEDTLS_NET_POLL_WRITE;
+    else if( idle_reason == MBEDTLS_ERR_SSL_WANT_READ )
+        poll_type = MBEDTLS_NET_POLL_READ;
+#if !defined(MBEDTLS_TIMING_C)
+    else
+        return( 0 );
+#endif
+
+    while( 1 )
+    {
+        /* Check if timer has expired */
+#if defined(MBEDTLS_TIMING_C)
+        if( timer != NULL &&
+            mbedtls_timing_get_delay( timer ) == 2 )
+        {
+            break;
+        }
+#endif /* MBEDTLS_TIMING_C */
+
+        /* Check if underlying transport became available */
+        if( poll_type != 0 )
+        {
+            ret = mbedtls_net_poll( fd, poll_type, 0 );
+            if( ret < 0 )
+                return( ret );
+            if( ret == poll_type )
+                break;
+        }
+    }
+
+    return( 0 );
+}
+
+#endif /* !defined(MBEDTLS_SSL_TEST_IMPOSSIBLE) */
diff --git a/programs/ssl/ssl_test_lib.h b/programs/ssl/ssl_test_lib.h
new file mode 100644
index 0000000..031c872
--- /dev/null
+++ b/programs/ssl/ssl_test_lib.h
@@ -0,0 +1,154 @@
+/*
+ *  Common code for SSL test programs
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H
+#define MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_calloc     calloc
+#define mbedtls_free       free
+#define mbedtls_time       time
+#define mbedtls_time_t     time_t
+#define mbedtls_printf     printf
+#define mbedtls_fprintf    fprintf
+#define mbedtls_snprintf   snprintf
+#define mbedtls_exit            exit
+#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#endif
+
+#if !defined(MBEDTLS_CTR_DRBG_C) ||                         \
+    !defined(MBEDTLS_ENTROPY_C) ||                          \
+    !defined(MBEDTLS_NET_C) ||                              \
+    !defined(MBEDTLS_SSL_TLS_C) ||                          \
+    defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
+#define MBEDTLS_SSL_TEST_IMPOSSIBLE                             \
+    "MBEDTLS_CTR_DRBG_C and/or "                                \
+    "MBEDTLS_ENTROPY_C and/or "                                 \
+    "MBEDTLS_NET_C and/or "                                     \
+    "MBEDTLS_SSL_TLS_C not defined, "                           \
+    "and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined.\n"
+#else
+#undef MBEDTLS_SSL_TEST_IMPOSSIBLE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/error.h"
+#include "mbedtls/debug.h"
+#include "mbedtls/timing.h"
+#include "mbedtls/base64.h"
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#include "psa/crypto.h"
+#include "mbedtls/psa_util.h"
+#endif
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#include "mbedtls/memory_buffer_alloc.h"
+#endif
+
+#include <test/helpers.h>
+
+#include "../test/query_config.h"
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+
+typedef struct eap_tls_keys
+{
+    unsigned char master_secret[48];
+    unsigned char randbytes[64];
+    mbedtls_tls_prf_types tls_prf_type;
+} eap_tls_keys;
+
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+
+/* Supported SRTP mode needs a maximum of :
+ * - 16 bytes for key (AES-128)
+ * - 14 bytes SALT
+ * One for sender, one for receiver context
+ */
+#define MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH    60
+
+typedef struct dtls_srtp_keys
+{
+    unsigned char master_secret[48];
+    unsigned char randbytes[64];
+    mbedtls_tls_prf_types tls_prf_type;
+} dtls_srtp_keys;
+
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+typedef struct
+{
+    mbedtls_ssl_context *ssl;
+    mbedtls_net_context *net;
+} io_ctx_t;
+
+void my_debug( void *ctx, int level,
+               const char *file, int line,
+               const char *str );
+
+mbedtls_time_t dummy_constant_time( mbedtls_time_t* time );
+
+int dummy_entropy( void *data, unsigned char *output, size_t len );
+
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+int ca_callback( void *data, mbedtls_x509_crt const *child,
+                 mbedtls_x509_crt **candidates );
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+
+/*
+ * Test recv/send functions that make sure each try returns
+ * WANT_READ/WANT_WRITE at least once before sucesseding
+ */
+int delayed_recv( void *ctx, unsigned char *buf, size_t len );
+int delayed_send( void *ctx, const unsigned char *buf, size_t len );
+
+/*
+ * Wait for an event from the underlying transport or the timer
+ * (Used in event-driven IO mode).
+ */
+int idle( mbedtls_net_context *fd,
+#if defined(MBEDTLS_TIMING_C)
+          mbedtls_timing_delay_context *timer,
+#endif
+          int idle_reason );
+
+#endif /* MBEDTLS_SSL_TEST_IMPOSSIBLE conditions: else */
+#endif /* MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H */
diff --git a/programs/test/query_compile_time_config.c b/programs/test/query_compile_time_config.c
index abe8f76..0e356c8 100644
--- a/programs/test/query_compile_time_config.c
+++ b/programs/test/query_compile_time_config.c
@@ -40,7 +40,7 @@
     "Mbed TLS build and the macro expansion of that configuration will be\n" \
     "printed (if any). Otherwise, 1 will be returned.\n"
 
-int query_config( const char *config );
+#include "query_config.h"
 
 int main( int argc, char *argv[] )
 {
diff --git a/programs/test/query_config.c b/programs/test/query_config.c
index 1fb7384..aae8e2e 100644
--- a/programs/test/query_config.c
+++ b/programs/test/query_config.c
@@ -23,6 +23,8 @@
 #include MBEDTLS_CONFIG_FILE
 #endif
 
+#include "query_config.h"
+
 #if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
 #else
diff --git a/programs/test/query_config.h b/programs/test/query_config.h
new file mode 100644
index 0000000..23009c4
--- /dev/null
+++ b/programs/test/query_config.h
@@ -0,0 +1,42 @@
+/*
+ *  Query Mbed TLS compile time configurations from config.h
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H
+#define MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+/** Check whether a given configuration symbol is enabled.
+ *
+ * \param config    The symbol to query (e.g. "MBEDTLS_RSA_C").
+ * \return          \c 0 if the symbol was defined at compile time
+ *                  (in MBEDTLS_CONFIG_FILE or config.h),
+ *                  \c 1 otherwise.
+ *
+ * \note            This function is defined in `programs/test/query_config.c`
+ *                  which is automatically generated by
+ *                  `scripts/generate_query_config.pl`.
+ */
+int query_config( const char *config );
+
+#endif /* MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H */
diff --git a/scripts/data_files/query_config.fmt b/scripts/data_files/query_config.fmt
index be1faef..be541cb 100644
--- a/scripts/data_files/query_config.fmt
+++ b/scripts/data_files/query_config.fmt
@@ -23,6 +23,8 @@
 #include MBEDTLS_CONFIG_FILE
 #endif
 
+#include "query_config.h"
+
 #if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
 #else
diff --git a/scripts/generate_visualc_files.pl b/scripts/generate_visualc_files.pl
index 6c2b5e4..df5d66e 100755
--- a/scripts/generate_visualc_files.pl
+++ b/scripts/generate_visualc_files.pl
@@ -161,6 +161,9 @@
         $appname eq "query_compile_time_config" ) {
         $srcs .= "\r\n    <ClCompile Include=\"..\\..\\programs\\test\\query_config.c\" \/>";
     }
+    if( $appname eq "ssl_client2" or $appname eq "ssl_server2" ) {
+        $srcs .= "\r\n    <ClCompile Include=\"..\\..\\programs\\ssl\\ssl_test_lib.c\" \/>";
+    }
 
     my $content = $template;
     $content =~ s/<SOURCES>/$srcs/g;
diff --git a/tests/Makefile b/tests/Makefile
index 511db9d..b9c5525 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -84,8 +84,13 @@
 
 mbedtls_test: $(MBEDTLS_TEST_OBJS)
 
+TEST_OBJS_DEPS =
+ifdef RECORD_PSA_STATUS_COVERAGE_LOG
+TEST_OBJS_DEPS += include/test/instrument_record_status.h
+endif
+
 # Rule to compile common test C files in src folder
-src/%.o : src/%.c
+src/%.o : src/%.c $(TEST_OBJS_DEPS)
 	echo "  CC    $<"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -o $@ -c $<
 
@@ -121,7 +126,7 @@
 		-o .
 
 
-$(BINARIES): %$(EXEXT): %.c $(MBEDLIBS) $(MBEDTLS_TEST_OBJS)
+$(BINARIES): %$(EXEXT): %.c $(MBEDLIBS) $(TEST_OBJS_DEPS) $(MBEDTLS_TEST_OBJS)
 	echo "  CC    $<"
 	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) $< $(MBEDTLS_TEST_OBJS) $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
@@ -135,6 +140,7 @@
 ifndef WINDOWS
 	rm -rf $(BINARIES) *.c *.datax TESTS
 	rm -f src/*.o src/drivers/*.o src/libmbed*
+	rm -f include/test/instrument_record_status.h
 else
 	if exist *.c del /Q /F *.c
 	if exist *.exe del /Q /F *.exe
@@ -142,6 +148,7 @@
 	if exist src/*.o del /Q /F src/*.o
 	if exist src/drivers/*.o del /Q /F src/drivers/*.o
 	if exist src/libmbed* del /Q /F src/libmed*
+	if exist include/test/instrument_record_status.h del /Q /F include/test/instrument_record_status.h
 ifneq ($(wildcard TESTS/.*),)
 	rmdir /Q /S TESTS
 endif
@@ -187,7 +194,7 @@
 	$(eval $(call copy_header_to_target,$(app),$(file)))))
 
 ifdef RECORD_PSA_STATUS_COVERAGE_LOG
-$(BINARIES): include/test/instrument_record_status.h
 include/test/instrument_record_status.h: ../include/psa/crypto.h Makefile
+	echo "  Gen  $@"
 	sed <../include/psa/crypto.h >$@ -n 's/^psa_status_t \([A-Za-z0-9_]*\)(.*/#define \1(...) RECORD_STATUS("\1", \1(__VA_ARGS__))/p'
 endif
diff --git a/tests/data_files/Makefile b/tests/data_files/Makefile
index b90ce74..0962898 100644
--- a/tests/data_files/Makefile
+++ b/tests/data_files/Makefile
@@ -1018,6 +1018,14 @@
 	$(OPENSSL) x509 -inform PEM -in $< -outform DER -out $@
 all_final += server1.v1.crt server1.v1.der
 
+server1.ca.crt: server1.key server1.req.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
+	$(MBEDTLS_CERT_WRITE) request_file=server1.req.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) version=1 not_before=20190210144406 not_after=20290210144406 md=SHA1 is_ca=1 version=3 output_file=$@
+server1.ca_noauthid.crt: server1.key server1.req.sha256 $(test_ca_crt) $(test_ca_key_file_rsa)
+	$(MBEDTLS_CERT_WRITE) request_file=server1.req.sha256 issuer_crt=$(test_ca_crt) issuer_key=$(test_ca_key_file_rsa) issuer_pwd=$(test_ca_pwd_rsa) not_before=20190210144406 not_after=20290210144406 md=SHA1 authority_identifier=0 is_ca=1 version=3 output_file=$@
+server1.ca.der: server1.ca.crt
+	$(OPENSSL) x509 -inform PEM -in $< -outform DER -out $@
+all_final += server1.ca.crt server1.ca_noauthid.crt server1.ca.der
+
 server1_ca.crt: server1.crt $(test_ca_crt)
 	cat server1.crt $(test_ca_crt) > $@
 all_final += server1_ca.crt
diff --git a/tests/data_files/server1.ca.crt b/tests/data_files/server1.ca.crt
new file mode 100644
index 0000000..84691d6
--- /dev/null
+++ b/tests/data_files/server1.ca.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/data_files/server1.ca.der b/tests/data_files/server1.ca.der
new file mode 100644
index 0000000..a5ff059
--- /dev/null
+++ b/tests/data_files/server1.ca.der
Binary files differ
diff --git a/tests/data_files/server1.ca_noauthid.crt b/tests/data_files/server1.ca_noauthid.crt
new file mode 100644
index 0000000..e66956d
--- /dev/null
+++ b/tests/data_files/server1.ca_noauthid.crt
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/include/test/psa_crypto_helpers.h b/tests/include/test/psa_crypto_helpers.h
index 01b0547..b8eb4aa 100644
--- a/tests/include/test/psa_crypto_helpers.h
+++ b/tests/include/test/psa_crypto_helpers.h
@@ -26,79 +26,74 @@
 #include <psa/crypto.h>
 #include <psa_crypto_slot_management.h>
 
-static int test_helper_is_psa_pristine( int line, const char *file )
-{
-    mbedtls_psa_stats_t stats;
-    const char *msg = NULL;
-
-    mbedtls_psa_get_stats( &stats );
-
-    if( stats.volatile_slots != 0 )
-        msg = "A volatile slot has not been closed properly.";
-    else if( stats.persistent_slots != 0 )
-        msg = "A persistent slot has not been closed properly.";
-    else if( stats.external_slots != 0 )
-        msg = "An external slot has not been closed properly.";
-    else if( stats.half_filled_slots != 0 )
-        msg = "A half-filled slot has not been cleared properly.";
-    else if( stats.locked_slots != 0 )
-    {
-        msg = "Some slots are still marked as locked.";
-    }
-
-    /* If the test has already failed, don't overwrite the failure
-     * information. Do keep the stats lookup above, because it can be
-     * convenient to break on it when debugging a failure. */
-    if( msg != NULL && test_info.result == TEST_RESULT_SUCCESS )
-        test_fail( msg, line, file );
-
-    return( msg == NULL );
-}
+/** Check for things that have not been cleaned up properly in the
+ * PSA subsystem.
+ *
+ * \return NULL if nothing has leaked.
+ * \return A string literal explaining what has not been cleaned up
+ *         if applicable.
+ */
+const char *mbedtls_test_helper_is_psa_leaking( void );
 
 /** Check that no PSA Crypto key slots are in use.
+ *
+ * If any slots are in use, mark the current test as failed and jump to
+ * the exit label. This is equivalent to
+ * `TEST_ASSERT( ! mbedtls_test_helper_is_psa_leaking( ) )`
+ * but with a more informative message.
  */
-#define ASSERT_PSA_PRISTINE( )                                    \
-    do                                                            \
-    {                                                             \
-        if( ! test_helper_is_psa_pristine( __LINE__, __FILE__ ) ) \
-            goto exit;                                            \
-    }                                                             \
+#define ASSERT_PSA_PRISTINE( )                                          \
+    do                                                                  \
+    {                                                                   \
+        if( test_fail_if_psa_leaking( __LINE__, __FILE__ ) )            \
+            goto exit;                                                  \
+    }                                                                   \
     while( 0 )
 
-static void test_helper_psa_done( int line, const char *file )
-{
-    (void) test_helper_is_psa_pristine( line, file );
-    mbedtls_psa_crypto_free( );
-}
-
 /** Shut down the PSA Crypto subsystem. Expect a clean shutdown, with no slots
  * in use.
  */
-#define PSA_DONE( ) test_helper_psa_done( __LINE__, __FILE__ )
+#define PSA_DONE( )                                                     \
+    do                                                                  \
+    {                                                                   \
+        test_fail_if_psa_leaking( __LINE__, __FILE__ );                 \
+        mbedtls_psa_crypto_free( );                                     \
+    }                                                                   \
+    while( 0 )
 
 
 
+#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+/** Enable the insecure implementation of mbedtls_psa_external_get_random().
+ *
+ * The insecure implementation of mbedtls_psa_external_get_random() is
+ * disabled by default.
+ *
+ * When MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled and the test
+ * helpers are linked into a program, you must enable this before running any
+ * code that uses the PSA subsystem to generate random data (including internal
+ * random generation for purposes such as blinding when the random generation
+ * is routed through PSA).
+ *
+ * You can enable and disable it at any time, regardless of the state
+ * of the PSA subsystem. You may disable it temporarily to simulate a
+ * depleted entropy source.
+ */
+void mbedtls_test_enable_insecure_external_rng( void );
+
+/** Disable the insecure implementation of mbedtls_psa_external_get_random().
+ *
+ * See mbedtls_test_enable_insecure_external_rng().
+ */
+void mbedtls_test_disable_insecure_external_rng( void );
+#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
+
+
 #if defined(RECORD_PSA_STATUS_COVERAGE_LOG)
-#include <psa/crypto.h>
-
-/** Name of the file where return statuses are logged by #RECORD_STATUS. */
-#define STATUS_LOG_FILE_NAME "statuses.log"
-
-static psa_status_t record_status( psa_status_t status,
-                                   const char *func,
-                                   const char *file, int line,
-                                   const char *expr )
-{
-    /* We open the log file on first use.
-     * We never close the log file, so the record_status feature is not
-     * compatible with resource leak detectors such as Asan.
-     */
-    static FILE *log;
-    if( log == NULL )
-        log = fopen( STATUS_LOG_FILE_NAME, "a" );
-    fprintf( log, "%d:%s:%s:%d:%s\n", (int) status, func, file, line, expr );
-    return( status );
-}
+psa_status_t mbedtls_test_record_status( psa_status_t status,
+                                         const char *func,
+                                         const char *file, int line,
+                                         const char *expr );
 
 /** Return value logging wrapper macro.
  *
@@ -125,7 +120,7 @@
  * \return          The value of \p expr.
  */
 #define RECORD_STATUS( string, expr )                                   \
-    record_status( ( expr ), string, __FILE__, __LINE__, #expr )
+    mbedtls_test_record_status( ( expr ), string, __FILE__, __LINE__, #expr )
 
 #include "instrument_record_status.h"
 
diff --git a/tests/src/psa_crypto_helpers.c b/tests/src/psa_crypto_helpers.c
index dacda68..0009857 100644
--- a/tests/src/psa_crypto_helpers.c
+++ b/tests/src/psa_crypto_helpers.c
@@ -22,21 +22,79 @@
 
 #include <test/helpers.h>
 #include <test/macros.h>
+#include <test/psa_crypto_helpers.h>
 
 #if defined(MBEDTLS_PSA_CRYPTO_C)
 
 #include <psa/crypto.h>
 
+const char *mbedtls_test_helper_is_psa_leaking( void )
+{
+    mbedtls_psa_stats_t stats;
+
+    mbedtls_psa_get_stats( &stats );
+
+    if( stats.volatile_slots != 0 )
+        return( "A volatile slot has not been closed properly." );
+    if( stats.persistent_slots != 0 )
+        return( "A persistent slot has not been closed properly." );
+    if( stats.external_slots != 0 )
+        return( "An external slot has not been closed properly." );
+     if( stats.half_filled_slots != 0 )
+        return( "A half-filled slot has not been cleared properly." );
+    if( stats.locked_slots != 0 )
+        return( "Some slots are still marked as locked." );
+
+    return( NULL );
+}
+
+#if defined(RECORD_PSA_STATUS_COVERAGE_LOG)
+/** Name of the file where return statuses are logged by #RECORD_STATUS. */
+#define STATUS_LOG_FILE_NAME "statuses.log"
+
+psa_status_t mbedtls_test_record_status( psa_status_t status,
+                                         const char *func,
+                                         const char *file, int line,
+                                         const char *expr )
+{
+    /* We open the log file on first use.
+     * We never close the log file, so the record_status feature is not
+     * compatible with resource leak detectors such as Asan.
+     */
+    static FILE *log;
+    if( log == NULL )
+        log = fopen( STATUS_LOG_FILE_NAME, "a" );
+    fprintf( log, "%d:%s:%s:%d:%s\n", (int) status, func, file, line, expr );
+    return( status );
+}
+#endif /* defined(RECORD_PSA_STATUS_COVERAGE_LOG) */
+
 #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
 #include <test/random.h>
 
+static int test_insecure_external_rng_enabled = 0;
+
+void mbedtls_test_enable_insecure_external_rng( void )
+{
+    test_insecure_external_rng_enabled = 1;
+}
+
+void mbedtls_test_disable_insecure_external_rng( void )
+{
+    test_insecure_external_rng_enabled = 0;
+}
+
 psa_status_t mbedtls_psa_external_get_random(
     mbedtls_psa_external_random_context_t *context,
     uint8_t *output, size_t output_size, size_t *output_length )
 {
+    (void) context;
+
+    if( !test_insecure_external_rng_enabled )
+        return( PSA_ERROR_INSUFFICIENT_ENTROPY );
+
     /* This implementation is for test purposes only!
      * Use the libc non-cryptographic random generator. */
-    (void) context;
     mbedtls_test_rnd_std_rand( NULL, output, output_size );
     *output_length = output_size;
     return( PSA_SUCCESS );
diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index aafcf5c..1dc6721 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -5,6 +5,9 @@
 #include <test/macros.h>
 #include <test/helpers.h>
 #include <test/random.h>
+#if defined(MBEDTLS_PSA_CRYPTO_C)
+#include <test/psa_crypto_helpers.h>
+#endif
 
 #include <stdlib.h>
 
@@ -418,6 +421,26 @@
     test_info.filename = filename;
 }
 
+#if defined(MBEDTLS_PSA_CRYPTO_C)
+/** Check that no PSA Crypto key slots are in use.
+ *
+ * If any slots are in use, mark the current test as failed.
+ *
+ * \return 0 if the key store is empty, 1 otherwise.
+ */
+int test_fail_if_psa_leaking( int line_no, const char *filename )
+{
+    const char *msg = mbedtls_test_helper_is_psa_leaking( );
+    if( msg == NULL )
+        return 0;
+    else
+    {
+        test_fail( msg, line_no, filename );
+        return 1;
+    }
+}
+#endif /* defined(MBEDTLS_PSA_CRYPTO_C) */
+
 #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
 static int redirect_output( FILE* out_stream, const char* path )
 {
diff --git a/tests/suites/main_test.function b/tests/suites/main_test.function
index 256224e..98dab3e 100644
--- a/tests/suites/main_test.function
+++ b/tests/suites/main_test.function
@@ -164,6 +164,10 @@
  */
 void execute_function_ptr(TestWrapper_t fp, void **params)
 {
+#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+    mbedtls_test_enable_insecure_external_rng( );
+#endif
+
 #if defined(MBEDTLS_CHECK_PARAMS)
     mbedtls_test_param_failed_location_record_t location_record;
 
diff --git a/tests/suites/test_suite_cipher.function b/tests/suites/test_suite_cipher.function
index 1d98f3d..76e474f 100644
--- a/tests/suites/test_suite_cipher.function
+++ b/tests/suites/test_suite_cipher.function
@@ -9,10 +9,6 @@
 #include "mbedtls/gcm.h"
 #endif
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-#include "test/psa_crypto_helpers.h"
-#endif
-
 #if defined(MBEDTLS_CIPHER_MODE_AEAD) || defined(MBEDTLS_NIST_KW_C)
 #define MBEDTLS_CIPHER_AUTH_CRYPT
 #endif
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 98016c6..577fb47 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -17,13 +17,13 @@
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 #include "mbedtls/psa_util.h"
-#include "test/psa_crypto_helpers.h"
 #define PSA_INIT( ) PSA_ASSERT( psa_crypto_init( ) )
 #else
 /* Define empty macros so that we can use them in the preamble and teardown
  * of every test function that uses PSA conditionally based on
  * MBEDTLS_USE_PSA_CRYPTO. */
 #define PSA_INIT( ) ( (void) 0 )
+#undef PSA_DONE
 #define PSA_DONE( ) ( (void) 0 )
 #endif
 
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 8e71610..d486dd1 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -9,8 +9,6 @@
  * uses mbedtls_ctr_drbg internally. */
 #include "mbedtls/ctr_drbg.h"
 
-#include "test/psa_crypto_helpers.h"
-
 /* Tests that require more than 128kB of RAM plus change have this symbol
  * as a dependency. Currently we always define this symbol, so the tests
  * are always executed. In the future we should make this conditional
diff --git a/tests/suites/test_suite_psa_crypto_driver_wrappers.function b/tests/suites/test_suite_psa_crypto_driver_wrappers.function
index 6d20eff..23da0c3 100644
--- a/tests/suites/test_suite_psa_crypto_driver_wrappers.function
+++ b/tests/suites/test_suite_psa_crypto_driver_wrappers.function
@@ -1,6 +1,4 @@
 /* BEGIN_HEADER */
-#include "test/psa_crypto_helpers.h"
-
 #include "test/drivers/test_driver.h"
 /* END_HEADER */
 
diff --git a/tests/suites/test_suite_psa_crypto_entropy.data b/tests/suites/test_suite_psa_crypto_entropy.data
index 61593e9..0e53b60 100644
--- a/tests/suites/test_suite_psa_crypto_entropy.data
+++ b/tests/suites/test_suite_psa_crypto_entropy.data
@@ -1,3 +1,30 @@
+PSA external RNG failure: generate random and key
+external_rng_failure_generate:
+
+# When verifying the impact of a forced RNG failure, depend on the built-in
+# implementation of the algorithm that uses randomization, whether it's
+# because the algorithm is randomized or because our implementation uses
+# randomization for (e.g.) blinding. An external implementation could use
+# its own randomness source which is not affected by the forced failure of
+# the RNG driver.
+# Key types and non-randomized auxilary algorithms (in practice, hashes) can
+# use an external implementation.
+PSA external RNG failure: randomized ECDSA
+depends_on:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:MBEDTLS_PSA_BUILTIN_ALG_ECDSA:MBEDTLS_ECP_DP_SECP256R1_ENABLED
+external_rng_failure_sign:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3a":PSA_ALG_ECDSA_ANY:32
+
+PSA external RNG failure: deterministic ECDSA (software implementation)
+depends_on:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR:MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_SHA256_C:PSA_WANT_ALG_SHA_256
+external_rng_failure_sign:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):"ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3a":PSA_ALG_DETERMINISTIC_ECDSA(PSA_ALG_SHA_256):32
+
+PSA external RNG failure: RSA-PSS
+depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR:MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS:PSA_WANT_ALG_SHA_256
+external_rng_failure_sign:PSA_KEY_TYPE_RSA_KEY_PAIR:"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":PSA_ALG_RSA_PSS(PSA_ALG_SHA_256):32
+
+PSA external RNG failure: RSA PKCS#1v1.5 (software implementation)
+depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR:MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_SIGN
+external_rng_failure_sign:PSA_KEY_TYPE_RSA_KEY_PAIR:"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":PSA_ALG_RSA_PKCS1V15_SIGN_RAW:32
+
 PSA validate entropy injection: good, minimum size
 validate_entropy_seed_injection:MBEDTLS_PSA_INJECT_ENTROPY_MIN_SIZE:PSA_SUCCESS:MBEDTLS_PSA_INJECT_ENTROPY_MIN_SIZE:PSA_ERROR_NOT_PERMITTED
 
diff --git a/tests/suites/test_suite_psa_crypto_entropy.function b/tests/suites/test_suite_psa_crypto_entropy.function
index 66c241e..8c1fdab 100644
--- a/tests/suites/test_suite_psa_crypto_entropy.function
+++ b/tests/suites/test_suite_psa_crypto_entropy.function
@@ -1,19 +1,23 @@
 /* BEGIN_HEADER */
 #include <stdint.h>
+#include <string.h>
+
+#include <psa/crypto.h>
 
 #include "mbedtls/entropy.h"
 #include "mbedtls/entropy_poll.h"
 
-#include "test/psa_crypto_helpers.h"
+/* Calculating the minimum allowed entropy size in bytes */
+#define MBEDTLS_PSA_INJECT_ENTROPY_MIN_SIZE MAX(MBEDTLS_ENTROPY_MIN_PLATFORM, MBEDTLS_ENTROPY_BLOCK_SIZE)
+
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY)
+
 #if defined(MBEDTLS_PSA_ITS_FILE_C)
 #include <stdio.h>
 #else
 #include <psa/internal_trusted_storage.h>
 #endif
 
-/* Calculating the minimum allowed entropy size in bytes */
-#define MBEDTLS_PSA_INJECT_ENTROPY_MIN_SIZE MAX(MBEDTLS_ENTROPY_MIN_PLATFORM, MBEDTLS_ENTROPY_BLOCK_SIZE)
-
 /* Remove the entropy seed file. Since the library does not expose a way
  * to do this (it would be a security risk if such a function was ever
  * accessible in production), implement this functionality in a white-box
@@ -30,14 +34,89 @@
 #endif
 }
 
+#endif /* MBEDTLS_PSA_INJECT_ENTROPY */
+
 /* END_HEADER */
 
-/* BEGIN_DEPENDENCIES
- * depends_on:MBEDTLS_PSA_INJECT_ENTROPY
- * END_DEPENDENCIES
- */
+/* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
+void external_rng_failure_generate( )
+{
+    psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+    psa_set_key_type( &attributes, PSA_KEY_TYPE_DERIVE );
+    psa_set_key_bits( &attributes, 128 );
+    mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+    uint8_t output[1];
 
-/* BEGIN_CASE */
+    PSA_ASSERT( psa_crypto_init( ) );
+
+    PSA_ASSERT( psa_generate_random( output, sizeof( output ) ) );
+    PSA_ASSERT( psa_generate_key( &attributes, &key ) );
+    PSA_ASSERT( psa_destroy_key( key ) );
+
+    mbedtls_test_disable_insecure_external_rng( );
+    TEST_EQUAL( PSA_ERROR_INSUFFICIENT_ENTROPY,
+                psa_generate_random( output, sizeof( output ) ) );
+    TEST_EQUAL( PSA_ERROR_INSUFFICIENT_ENTROPY,
+                psa_generate_key( &attributes, &key ) );
+
+exit:
+    psa_destroy_key( key );
+    PSA_DONE( );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
+void external_rng_failure_sign( int key_type, data_t *key_data, int alg,
+                                int input_size_arg )
+{
+    /* This test case is only expected to pass if the signature mechanism
+     * requires randomness, either because it is a randomized signature
+     * or because the implementation uses blinding. */
+
+    psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+    psa_set_key_type( &attributes, key_type );
+    psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN );
+    psa_set_key_algorithm( &attributes, alg );
+    mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+    size_t input_size = input_size_arg;
+    uint8_t *input = NULL;
+    uint8_t *signature = NULL;
+    size_t signature_size = PSA_SIGNATURE_MAX_SIZE;
+    size_t signature_length;
+
+    ASSERT_ALLOC( input, input_size );
+    ASSERT_ALLOC( signature, signature_size );
+
+    PSA_ASSERT( psa_crypto_init( ) );
+    PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
+                                &key ) );
+    PSA_ASSERT( psa_sign_hash( key, alg,
+                               input, input_size,
+                               signature, signature_size,
+                               &signature_length ) );
+    PSA_ASSERT( psa_destroy_key( key ) );
+
+    mbedtls_test_disable_insecure_external_rng( );
+    /* Import the key again, because for RSA Mbed TLS caches blinding values
+     * in the key object and this could perturb the test. */
+    PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
+                                &key ) );
+    TEST_EQUAL( PSA_ERROR_INSUFFICIENT_ENTROPY,
+                psa_sign_hash( key, alg,
+                               input, input_size,
+                               signature, signature_size,
+                               &signature_length ) );
+    PSA_ASSERT( psa_destroy_key( key ) );
+
+exit:
+    psa_destroy_key( key );
+    PSA_DONE( );
+    mbedtls_free( input );
+    mbedtls_free( signature );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_PSA_INJECT_ENTROPY */
 void validate_entropy_seed_injection( int seed_length_a,
                                       int expected_status_a,
                                       int seed_length_b,
@@ -81,7 +160,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_PSA_INJECT_ENTROPY */
 void run_entropy_inject_with_crypto_init( )
 {
     psa_status_t status;
diff --git a/tests/suites/test_suite_psa_crypto_hash.function b/tests/suites/test_suite_psa_crypto_hash.function
index 1bc9331..b0da2bf 100644
--- a/tests/suites/test_suite_psa_crypto_hash.function
+++ b/tests/suites/test_suite_psa_crypto_hash.function
@@ -2,8 +2,6 @@
 
 #include <stdint.h>
 
-#include "test/psa_crypto_helpers.h"
-
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES
diff --git a/tests/suites/test_suite_psa_crypto_init.function b/tests/suites/test_suite_psa_crypto_init.function
index e6097bb..40efb87 100644
--- a/tests/suites/test_suite_psa_crypto_init.function
+++ b/tests/suites/test_suite_psa_crypto_init.function
@@ -1,7 +1,6 @@
 /* BEGIN_HEADER */
 #include <stdint.h>
 
-#include "test/psa_crypto_helpers.h"
 /* Some tests in this module configure entropy sources. */
 #include "psa_crypto_invasive.h"
 
diff --git a/tests/suites/test_suite_psa_crypto_persistent_key.function b/tests/suites/test_suite_psa_crypto_persistent_key.function
index 8e10158..9759077 100644
--- a/tests/suites/test_suite_psa_crypto_persistent_key.function
+++ b/tests/suites/test_suite_psa_crypto_persistent_key.function
@@ -9,7 +9,6 @@
 
 #include <stdint.h>
 
-#include "test/psa_crypto_helpers.h"
 #include "psa_crypto_slot_management.h"
 #include "psa_crypto_storage.h"
 
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal.function b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
index 1add9b4..d623221 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal.function
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal.function
@@ -1,5 +1,4 @@
 /* BEGIN_HEADER */
-#include "test/psa_crypto_helpers.h"
 #include "psa/crypto_se_driver.h"
 
 #include "psa_crypto_se.h"
diff --git a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
index 629c924..12c58eb 100644
--- a/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
+++ b/tests/suites/test_suite_psa_crypto_se_driver_hal_mocks.function
@@ -1,5 +1,4 @@
 /* BEGIN_HEADER */
-#include "test/psa_crypto_helpers.h"
 #include "psa/crypto_se_driver.h"
 
 #include "psa_crypto_se.h"
diff --git a/tests/suites/test_suite_psa_crypto_slot_management.function b/tests/suites/test_suite_psa_crypto_slot_management.function
index 57d4789..b0c660b 100644
--- a/tests/suites/test_suite_psa_crypto_slot_management.function
+++ b/tests/suites/test_suite_psa_crypto_slot_management.function
@@ -1,7 +1,6 @@
 /* BEGIN_HEADER */
 #include <stdint.h>
 
-#include "test/psa_crypto_helpers.h"
 #include "psa_crypto_slot_management.h"
 #include "psa_crypto_storage.h"
 
diff --git a/tests/suites/test_suite_x509write.data b/tests/suites/test_suite_x509write.data
index b3f209e..e0f80be 100644
--- a/tests/suites/test_suite_x509write.data
+++ b/tests/suites/test_suite_x509write.data
@@ -56,35 +56,43 @@
 
 Certificate write check Server1 SHA1
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.crt":0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.crt":0:0
 
 Certificate write check Server1 SHA1, key_usage
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:1:-1:"data_files/server1.key_usage.crt":0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:1:-1:"data_files/server1.key_usage.crt":0:0
 
 Certificate write check Server1 SHA1, ns_cert_type
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:1:-1:"data_files/server1.cert_type.crt":0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:1:-1:"data_files/server1.cert_type.crt":0:0
 
 Certificate write check Server1 SHA1, version 1
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":0
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":0:0
+
+Certificate write check Server1 SHA1, CA
+depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:1:-1:"data_files/server1.ca.crt":0:1
 
 Certificate write check Server1 SHA1, RSA_ALT
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:-1:"data_files/server1.noauthid.crt":1
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:-1:"data_files/server1.noauthid.crt":1:0
 
 Certificate write check Server1 SHA1, RSA_ALT, key_usage
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:0:-1:"data_files/server1.key_usage_noauthid.crt":1
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_NON_REPUDIATION | MBEDTLS_X509_KU_KEY_ENCIPHERMENT:1:0:0:0:-1:"data_files/server1.key_usage_noauthid.crt":1:0
 
 Certificate write check Server1 SHA1, RSA_ALT, ns_cert_type
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:0:-1:"data_files/server1.cert_type_noauthid.crt":1
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER:1:0:-1:"data_files/server1.cert_type_noauthid.crt":1:0
 
 Certificate write check Server1 SHA1, RSA_ALT, version 1
 depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
-x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":1
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:MBEDTLS_X509_CRT_VERSION_1:"data_files/server1.v1.crt":1:0
+
+Certificate write check Server1 SHA1, RSA_ALT, CA
+depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15:MBEDTLS_DES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_MD5_C
+x509_crt_check:"data_files/server1.key":"":"C=NL,O=PolarSSL,CN=PolarSSL Server 1":"data_files/test-ca.key":"PolarSSLTest":"C=NL,O=PolarSSL,CN=PolarSSL Test CA":"1":"20190210144406":"20290210144406":MBEDTLS_MD_SHA1:0:0:0:0:0:-1:"data_files/server1.ca_noauthid.crt":1:1
 
 
 X509 String to Names #1
diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 3803377..9960989 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -6,24 +6,11 @@
 #include "mbedtls/oid.h"
 #include "mbedtls/rsa.h"
 
-/* These are the same depends as the test function x509_crs_check_opaque(),
- * the only function using PSA here. Using a weaker condition would result in
- * warnings about the static functions defined in psa_crypto_helpers.h being
- * unused. */
-#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
-    defined(MBEDTLS_PEM_WRITE_C) && \
-    defined(MBEDTLS_X509_CSR_WRITE_C)
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
 #include "psa/crypto.h"
 #include "mbedtls/psa_util.h"
-#include "test/psa_crypto_helpers.h"
 #define PSA_INIT( ) PSA_ASSERT( psa_crypto_init( ) )
-#else
-/* Define empty macros so that we can use them in the preamble and teardown
- * of every test function that uses PSA conditionally based on
- * MBEDTLS_USE_PSA_CRYPTO. */
-#define PSA_INIT( ) ( (void) 0 )
-#define PSA_DONE( ) ( (void) 0 )
-#endif /* MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_PEM_WRITE_C && MBEDTLS_X509_CSR_WRITE_C */
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
 
 #if defined(MBEDTLS_RSA_C)
 int mbedtls_rsa_decrypt_func( void *ctx, int mode, size_t *olen,
@@ -219,7 +206,7 @@
                      char *serial_str, char *not_before, char *not_after,
                      int md_type, int key_usage, int set_key_usage,
                      int cert_type, int set_cert_type, int auth_ident,
-                     int ver, char *cert_check_file, int rsa_alt )
+                     int ver, char *cert_check_file, int rsa_alt, int is_ca )
 {
     mbedtls_pk_context subject_key, issuer_key, issuer_key_alt;
     mbedtls_pk_context *key = &issuer_key;
@@ -282,7 +269,9 @@
 
     if( crt.version >= MBEDTLS_X509_CRT_VERSION_3 )
     {
-        TEST_ASSERT( mbedtls_x509write_crt_set_basic_constraints( &crt, 0, 0 ) == 0 );
+        /* For the CA case, a path length of -1 means unlimited. */
+        TEST_ASSERT( mbedtls_x509write_crt_set_basic_constraints( &crt, is_ca,
+                                                                  (is_ca ? -1 : 0) ) == 0 );
         TEST_ASSERT( mbedtls_x509write_crt_set_subject_key_identifier( &crt ) == 0 );
         if( auth_ident )
             TEST_ASSERT( mbedtls_x509write_crt_set_authority_key_identifier( &crt ) == 0 );
diff --git a/visualc/VS2010/ssl_client2.vcxproj b/visualc/VS2010/ssl_client2.vcxproj
index 9021602..9884f23 100644
--- a/visualc/VS2010/ssl_client2.vcxproj
+++ b/visualc/VS2010/ssl_client2.vcxproj
@@ -21,6 +21,7 @@
   <ItemGroup>
     <ClCompile Include="..\..\programs\ssl\ssl_client2.c" />
     <ClCompile Include="..\..\programs\test\query_config.c" />
+    <ClCompile Include="..\..\programs\ssl\ssl_test_lib.c" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="mbedTLS.vcxproj">
diff --git a/visualc/VS2010/ssl_server2.vcxproj b/visualc/VS2010/ssl_server2.vcxproj
index 61eedaa..d8f3e59 100644
--- a/visualc/VS2010/ssl_server2.vcxproj
+++ b/visualc/VS2010/ssl_server2.vcxproj
@@ -21,6 +21,7 @@
   <ItemGroup>
     <ClCompile Include="..\..\programs\ssl\ssl_server2.c" />
     <ClCompile Include="..\..\programs\test\query_config.c" />
+    <ClCompile Include="..\..\programs\ssl\ssl_test_lib.c" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="mbedTLS.vcxproj">