commit 3631cf693ad9749da52365b5bed87864b2aff314
author Gabor Mezei <gabor.mezei@arm.com> Tue May 10 12:59:00 2022 +0200
committer Gabor Mezei <gabor.mezei@arm.com> Wed May 11 14:29:19 2022 +0200
tree 26de56917044a2e7c986a8f0003f488876ca6ef2
parent 24c7c2be08edb8f7a71fdf6e258fb1b155380730

Rename signiture algorithm macros to better suite with TLS 1.2

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>

library/ssl_misc.h

diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 9433c0d..5479815 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -249,17 +249,17 @@
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
 
-#define MBEDTLS_SSL_SIG_ALG( sig, hash ) (( hash << 8 ) | sig)
-#define MBEDTLS_SSL_SIG_FROM_SIG_ALG(alg) (alg & 0xFF)
-#define MBEDTLS_SSL_HASH_FROM_SIG_ALG(alg) (alg >> 8)
+#define MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG( sig, hash ) (( hash << 8 ) | sig)
+#define MBEDTLS_SSL_TLS12_SIG_ALG_FROM_SIG_AND_HASH_ALG(alg) (alg & 0xFF)
+#define MBEDTLS_SSL_TLS12_HASH_ALG_FROM_SIG_AND_HASH_ALG(alg) (alg >> 8)
 
 #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_RSA_C)
-#define MBEDTLS_SSL_SIG_ALG_SET( hash ) MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_SIG_ECDSA, hash ), \
-                                        MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_SIG_RSA, hash ),
+#define MBEDTLS_SSL_SIG_ALG_SET( hash ) MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG( MBEDTLS_SSL_SIG_ECDSA, hash ), \
+                                        MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG( MBEDTLS_SSL_SIG_RSA, hash ),
 #elif defined(MBEDTLS_ECDSA_C)
-#define MBEDTLS_SSL_SIG_ALG_SET( hash ) MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_SIG_ECDSA, hash ),
+#define MBEDTLS_SSL_SIG_ALG_SET( hash ) MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG( MBEDTLS_SSL_SIG_ECDSA, hash ),
 #elif defined(MBEDTLS_RSA_C)
-#define MBEDTLS_SSL_SIG_ALG_SET( hash ) MBEDTLS_SSL_SIG_ALG( MBEDTLS_SSL_SIG_RSA, hash ),
+#define MBEDTLS_SSL_SIG_ALG_SET( hash ) MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG( MBEDTLS_SSL_SIG_RSA, hash ),
 #else
 #define MBEDTLS_SSL_SIG_ALG_SET( hash )
 #endif

library/ssl_tls.c

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index ea1e6ba..34817d9 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -7666,8 +7666,10 @@
 
     for( i = 0; received_sig_algs[i] != MBEDTLS_TLS_SIG_NONE; i++ )
     {
-        if( sig_alg == MBEDTLS_SSL_SIG_FROM_SIG_ALG( received_sig_algs[i] ) )
-            return MBEDTLS_SSL_HASH_FROM_SIG_ALG( received_sig_algs[i] );
+        if( sig_alg == MBEDTLS_SSL_TLS12_SIG_ALG_FROM_SIG_AND_HASH_ALG(
+                            received_sig_algs[i] ) )
+            return MBEDTLS_SSL_TLS12_HASH_ALG_FROM_SIG_AND_HASH_ALG(
+                        received_sig_algs[i] );
     }
 
     return( MBEDTLS_SSL_HASH_NONE );