X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fp_sign.c;h=8afb664306e908e896249f6a70bcbd6cdfe6c4e5;hp=8df6d48a7ec0892d554d89839fa17039eb119793;hb=5c60046553716fcf160718f59160493194f212dc;hpb=0e3453536ec9ce09e4dd276c2fa4d62e362789e9

diff --git a/crypto/evp/p_sign.c b/crypto/evp/p_sign.c
index 8df6d48a7e..8afb664306 100644
--- a/crypto/evp/p_sign.c
+++ b/crypto/evp/p_sign.c
@@ -80,18 +80,20 @@ int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen,
 	{
 	unsigned char m[EVP_MAX_MD_SIZE];
 	unsigned int m_len;
-	int i,ok=0,v;
-	MS_STATIC EVP_MD_CTX tmp_ctx;
+	int i = 0,ok = 0,v;
+	EVP_MD_CTX tmp_ctx;
+	EVP_PKEY_CTX *pkctx = NULL;
 
 	*siglen=0;
 	EVP_MD_CTX_init(&tmp_ctx);
-	EVP_MD_CTX_copy_ex(&tmp_ctx,ctx);   
-	EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len);
+	if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
+		goto err;  
+	if (!EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len))
+		goto err;
 	EVP_MD_CTX_cleanup(&tmp_ctx);
 
 	if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE)
 		{
-		EVP_PKEY_CTX *pkctx = NULL;
 		size_t sltmp = (size_t)EVP_PKEY_size(pkey);
 		i = 0;
 		pkctx = EVP_PKEY_CTX_new(pkey, NULL);