From: Karel Zak <kzak@redhat.com>
Date: Wed, 20 Mar 2024 14:03:05 +0000 (+0100)
Subject: lib/sha1: fix for old glibc
X-Git-Tag: v2.42-start~483
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4ebdd569049ac48a3867a59537cea769fa319e8f;p=thirdparty%2Futil-linux.git

lib/sha1: fix for old glibc

Fixes: https://github.com/util-linux/util-linux/issues/2830
References: http://github.com/util-linux/util-linux/commit/a8902e4cdd6149e5124383b25db8688dcdacd790
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/lib/sha1.c b/lib/sha1.c
index 32ef5b9ca..3edff122c 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -156,11 +156,15 @@ void ul_SHA1Transform(uint32_t state[5], const unsigned char buffer[64])
 	state[3] += d;
 	state[4] += e;
 	/* Wipe variables */
+#ifdef HAVE_EXPLICIT_BZERO
 	explicit_bzero(&a, sizeof(a));
 	explicit_bzero(&b, sizeof(b));
 	explicit_bzero(&c, sizeof(c));
 	explicit_bzero(&d, sizeof(d));
 	explicit_bzero(&e, sizeof(e));
+#else
+	a = b = c = d = e = 0;
+#endif
 #ifdef UL_SHA1HANDSOFF
 	memset(block, '\0', sizeof(block));
 #endif