From c36a56e8907f6295515f7374dd0a1666085ebdad Mon Sep 17 00:00:00 2001 From: Dave Rodgman Date: Tue, 22 Nov 2022 17:00:26 +0000 Subject: [PATCH] Use mbedtls_xor in TLS messaging layer Signed-off-by: Dave Rodgman --- library/ssl_msg.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/library/ssl_msg.c b/library/ssl_msg.c index dbc639188..085233c15 100644 --- a/library/ssl_msg.c +++ b/library/ssl_msg.c @@ -511,15 +511,12 @@ static void ssl_build_record_nonce( unsigned char *dst_iv, unsigned char const *dynamic_iv, size_t dynamic_iv_len ) { - size_t i; - /* Start with Fixed IV || 0 */ memset( dst_iv, 0, dst_iv_len ); memcpy( dst_iv, fixed_iv, fixed_iv_len ); dst_iv += dst_iv_len - dynamic_iv_len; - for( i = 0; i < dynamic_iv_len; i++ ) - dst_iv[i] ^= dynamic_iv[i]; + mbedtls_xor( dst_iv, dst_iv, dynamic_iv, dynamic_iv_len ); } #endif /* MBEDTLS_GCM_C || MBEDTLS_CCM_C || MBEDTLS_CHACHAPOLY_C */