Audit libcrypto for unchecked return values: fix all cases enountered

[openssl.git] / crypto / evp / p_verify.c

diff --git a/crypto/evp/p_verify.c b/crypto/evp/p_verify.c
index 16a449aed1b9997f72bcf183ff1edd6cb8e6b63b..6e2e70b382075486b8dcd6f616289596b9dc1fd2 100644 (file)
--- a/crypto/evp/p_verify.c
+++ b/crypto/evp/p_verify.c
@@ -62,8 +62,8 @@
 #include <openssl/objects.h>
 #include <openssl/x509.h>
 
-int    EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
-                       size_t siglen,EVP_PKEY *pkey)
+int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
+            unsigned int siglen, EVP_PKEY *pkey)
        {
        unsigned char m[EVP_MAX_MD_SIZE];
        unsigned int m_len;
@@ -71,8 +71,10 @@ int  EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
        MS_STATIC EVP_MD_CTX tmp_ctx;
 
        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)