commit 77c0646ef2523bfab89d65e705be5a9e8defe20c
author Manuel Pégourié-Gonnard <mpg2@elzevir.fr> Thu Sep 17 13:59:49 2015 +0200
committer Manuel Pégourié-Gonnard <mpg2@elzevir.fr> Thu Sep 17 13:59:49 2015 +0200
tree 935e82a9e9a4d19f0cc0d848a6cd6e491a669940
parent 6657b8da3ba79bdced1f3095b02d35fe0cca5e59

Add cache for EC J-PAKE client extension

Not used yet, just add the variables and cleanup code.

include/mbedtls/ssl_internal.h

diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index b74cca2..68e45a0 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -175,6 +175,10 @@
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
     mbedtls_ecjpake_context ecjpake_ctx;        /*!< EC J-PAKE key exchange */
+#if defined(MBEDTLS_SSL_CLI_C)
+    unsigned char *ecjpake_cache;               /*!< Cache for ClientHello ext */
+    size_t ecjpake_cache_len;                   /*!< Length of cached data */
+#endif
 #endif
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
     defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)

library/ssl_tls.c

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 6f4703c..c1bccbe 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -4938,6 +4938,10 @@
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
     mbedtls_ecjpake_init( &handshake->ecjpake_ctx );
+#if defined(MBEDTLS_SSL_CLI_C)
+    handshake->ecjpake_cache = NULL;
+    handshake->ecjpake_cache_len = 0;
+#endif
 #endif
 
 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
@@ -6625,6 +6629,11 @@
 #endif
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
     mbedtls_ecjpake_free( &handshake->ecjpake_ctx );
+#if defined(MBEDTLS_SSL_CLI_C)
+    mbedtls_free( handshake->ecjpake_cache );
+    handshake->ecjpake_cache = NULL;
+    handshake->ecjpake_cache_len = 0;
+#endif
 #endif
 
 #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)