From: Vitaly Chikunov <vt@altlinux.org>
Date: Wed, 25 Jul 2018 07:39:50 +0000 (+0300)
Subject: Make grasshopper OMAC result size 8 instead of 4
X-Git-Tag: v3.0.0~394
X-Git-Url: http://wagner.pp.ru/gitweb/?a=commitdiff_plain;h=d44131cf7cae81da5bafb9cb1129b026b8cb0797;p=openssl-gost%2Fengine.git

Make grasshopper OMAC result size 8 instead of 4

Two reasons: to match GOST R test vector size, just make it bigger.
---

diff --git a/gost_omac.c b/gost_omac.c
index fa7ab74..c4e8111 100644
--- a/gost_omac.c
+++ b/gost_omac.c
@@ -252,7 +252,7 @@ EVP_MD *grasshopper_omac(void)
         EVP_MD *md;
 
         if ((md = EVP_MD_meth_new(NID_grasshopper_mac, NID_undef)) == NULL
-            || !EVP_MD_meth_set_result_size(md, 4)
+            || !EVP_MD_meth_set_result_size(md, 8)
             || !EVP_MD_meth_set_input_blocksize(md, 8)
             || !EVP_MD_meth_set_app_datasize(md, sizeof(OMAC_CTX))
             || !EVP_MD_meth_set_flags(md, 0)