From: Dmitry Belyavskiy <beldmit@gmail.com>
Date: Sun, 28 Nov 2021 09:21:21 +0000 (+0100)
Subject: No EtM for GOST ciphers in TLS 1.2
X-Git-Tag: openssl-3.2.0-alpha1~3273
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d724da69389196cdb9ef8db036656882fbc5a6ab;p=thirdparty%2Fopenssl.git

No EtM for GOST ciphers in TLS 1.2

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17150)
---

diff --git a/ssl/statem/extensions_clnt.c b/ssl/statem/extensions_clnt.c
index d6d4e55ce78..c5de5ca5baf 100644
--- a/ssl/statem/extensions_clnt.c
+++ b/ssl/statem/extensions_clnt.c
@@ -1695,7 +1695,11 @@ int tls_parse_stoc_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
     /* Ignore if inappropriate ciphersuite */
     if (!(s->options & SSL_OP_NO_ENCRYPT_THEN_MAC)
             && s->s3.tmp.new_cipher->algorithm_mac != SSL_AEAD
-            && s->s3.tmp.new_cipher->algorithm_enc != SSL_RC4)
+            && s->s3.tmp.new_cipher->algorithm_enc != SSL_RC4
+            && s->s3.tmp.new_cipher->algorithm_enc != SSL_eGOST2814789CNT
+            && s->s3.tmp.new_cipher->algorithm_enc != SSL_eGOST2814789CNT12
+            && s->s3.tmp.new_cipher->algorithm_enc != SSL_MAGMA
+            && s->s3.tmp.new_cipher->algorithm_enc != SSL_KUZNYECHIK)
         s->ext.use_etm = 1;
 
     return 1;