fix various issues

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index eb5297d..ec276fd 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -4412,9 +4412,6 @@
 #endif
 
 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-            conf->sig_hashes = NULL;
-#endif /* !MBEDTLS_DEPRECATED_REMOVED */
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
             if( mbedtls_ssl_conf_is_tls12_only( conf ) )
                 conf->sig_algs = ssl_tls12_preset_suiteb_sig_algs;
@@ -4441,9 +4438,6 @@
 #endif
 
 #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED)
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-            conf->sig_hashes = NULL;
-#endif /* !MBEDTLS_DEPRECATED_REMOVED */
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
             if( mbedtls_ssl_conf_is_tls12_only( conf ) )
                 conf->sig_algs = ssl_tls12_preset_default_sig_algs;
@@ -8177,7 +8171,6 @@
         MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
         MBEDTLS_PUT_UINT16_BE( *sig_alg, p, 0 );
         p += 2;
-
         MBEDTLS_SSL_DEBUG_MSG( 3, ( "signature scheme [%x]", *sig_alg ) );
     }
 
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index 738b278..a488faf 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -855,7 +855,8 @@
  * STATE HANDLING: Output Certificate Verify
  */
 
-static int ssl_tls13_get_sig_alg_from_pk( mbedtls_ssl_context *ssl,
+static int ssl_tls13_select_sig_alg_for_certificate_verify(
+                                          mbedtls_ssl_context *ssl,
                                           mbedtls_pk_context *own_key,
                                           uint16_t *algorithm )
 {
@@ -935,8 +936,9 @@
      *    opaque signature<0..2^16-1>;
      *  } CertificateVerify;
      */
-    ret = ssl_tls13_get_sig_alg_from_pk( ssl, own_key, &algorithm );
-    if( ret != 0 || ! mbedtls_ssl_sig_alg_is_received( ssl, algorithm ) )
+    ret = ssl_tls13_select_sig_alg_for_certificate_verify( ssl, own_key,
+                                                           &algorithm );
+    if( ret != 0 )
     {
         MBEDTLS_SSL_DEBUG_MSG( 1,
                     ( "signature algorithm not in received or offered list." ) );
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index e75a778..a9ef6b4 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -389,7 +389,6 @@
                 continue;
             }
 
-            MBEDTLS_SSL_DEBUG_MSG( 2,("Try get sig alg %04x",*sig_alg));
             if( mbedtls_ssl_tls13_check_sig_alg_cert_key_match(
                     ssl, *sig_alg, &key_cert->cert->pk ) )
             {
@@ -402,7 +401,8 @@
         }
     }
 
-    MBEDTLS_SSL_DEBUG_MSG( 2,("No signature algorithm found"));
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "ssl_tls13_pick_key_cert: "
+                                "No signature algorithm found" ) );
     return( -1 );
 }
 #endif /* MBEDTLS_X509_CRT_PARSE_C &&
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 8de3728..afabb64 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -1600,7 +1600,7 @@
 requires_config_enabled MBEDTLS_ECP_DP_CURVE25519_ENABLED
 run_test    "Default" \
             "$P_SRV debug_level=3" \
-            "$P_CLI debug_level=4" \
+            "$P_CLI" \
             0 \
             -s "Protocol is TLSv1.2" \
             -s "Ciphersuite is TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256" \