commit 3356b89b64837f4b0e9462e715218d5a3308eac0
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Tue Jul 05 10:25:06 2022 +0200
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Tue Jul 12 11:11:18 2022 +0200
tree fdca6b32e6f1e6c00e4752b1e085e8c86860cacd
parent b86279fc63ebb35ece664a3d6efba306df119ef6

Add missing guard around call to MD

PKCS#1 v1.5 mostly does not need hash operations. This is a first step
towards allowing builds with PKCS#1 v1.5 only (no v2.1) without MD.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>

library/rsa.c

diff --git a/library/rsa.c b/library/rsa.c
index e95768f..20983c8 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -497,6 +497,7 @@
             return( MBEDTLS_ERR_RSA_INVALID_PADDING );
     }
 
+#if defined(MBEDTLS_PKCS1_V21)
     if( ( padding == MBEDTLS_RSA_PKCS_V21 ) &&
         ( hash_id != MBEDTLS_MD_NONE ) )
     {
@@ -506,6 +507,7 @@
         if( md_info == NULL )
             return( MBEDTLS_ERR_RSA_INVALID_PADDING );
     }
+#endif /* MBEDTLS_PKCS1_V21 */
 
     ctx->padding = padding;
     ctx->hash_id = hash_id;