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path: root/openssl/crypto/evp/p_sign.c
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Diffstat (limited to 'openssl/crypto/evp/p_sign.c')
-rw-r--r--openssl/crypto/evp/p_sign.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/openssl/crypto/evp/p_sign.c b/openssl/crypto/evp/p_sign.c
index bb893f5bd..dfa48c157 100644
--- a/openssl/crypto/evp/p_sign.c
+++ b/openssl/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;
+ 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);