From: Dr. Stephen Henson <steve@openssl.org>
Date: Thu, 31 May 2007 12:39:21 +0000 (+0000)
Subject: Handle NULL parameter in some EVP utility functions.
X-Git-Tag: OpenSSL_0_9_8k^2~807
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=18096abb2939fb7d2cf24842310649908dc283ac;p=oweals%2Fopenssl.git

Handle NULL parameter in some EVP utility functions.
---

diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c
index e4d5b682f3..daccb66820 100644
--- a/crypto/evp/evp_lib.c
+++ b/crypto/evp/evp_lib.c
@@ -255,11 +255,15 @@ int EVP_MD_pkey_type(const EVP_MD *md)
 
 int EVP_MD_size(const EVP_MD *md)
 	{
+	if (!md)
+		return -1;
 	return md->md_size;
 	}
 
 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx)
 	{
+	if (!ctx)
+		return NULL;
 	return ctx->digest;
 	}