From: Siva Sivaraman <kasivara@microsoft.com>
Date: Mon, 18 May 2020 15:59:31 +0000 (-0700)
Subject: sha256: fixed potentially uninitialized variable
X-Git-Tag: curl-7_71_0~126
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=fae30656;p=thirdparty%2Fcurl.git

sha256: fixed potentially uninitialized variable

Closes #5414
---

diff --git a/lib/sha256.c b/lib/sha256.c
index a3be92a4eb..aebcc55b22 100644
--- a/lib/sha256.c
+++ b/lib/sha256.c
@@ -224,6 +224,7 @@ static void SHA256_Update(SHA256_CTX *ctx,
 static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
 {
   unsigned long length;
+  length = 0;
 
   CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
   if(length == SHA256_DIGEST_LENGTH)