From 11777554bd63b16bb13aa3b7358d8e7809f17523 Mon Sep 17 00:00:00 2001
From: dmitry dulesov <dmitry.dulesov@gmail.com>
Date: Thu, 30 Jan 2020 03:50:54 +0300
Subject: [PATCH] gosthash2012: Simplify `pad'
`pad' does not need this complicated memory movements using stack
buffer.
Committed-by: Vitaly Chikunov <vt@altlinux.org>
---
gosthash2012.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/gosthash2012.c b/gosthash2012.c
index 0233d0a..201fe31 100644
--- a/gosthash2012.c
+++ b/gosthash2012.c
@@ -48,13 +48,9 @@ void init_gost2012_hash_ctx(gost2012_hash_ctx * CTX,
static INLINE void pad(gost2012_hash_ctx * CTX)
{
- unsigned char buf[64];
+ memset(&(CTX->buffer[CTX->bufsize]), 0, sizeof(CTX->buffer) - CTX->bufsize);
+ CTX->buffer[CTX->bufsize] = 1;
- memset(&buf, 0x00, sizeof buf);
- memcpy(&buf, CTX->buffer, CTX->bufsize);
-
- buf[CTX->bufsize] = 0x01;
- memcpy(CTX->buffer, &buf, sizeof buf);
}
static INLINE void add512(const union uint512_u *x,
--
2.39.5