2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include "internal/cryptlib.h"
12 #include <openssl/evp.h>
13 #include <openssl/objects.h>
14 #include <openssl/x509.h>
15 #include <openssl/pem.h>
17 int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type)
19 return EVP_DigestInit_ex(ctx, type, NULL);
22 int PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, unsigned int count)
24 return EVP_DigestUpdate(ctx, data, count);
27 int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
28 unsigned int *siglen, EVP_PKEY *pkey)
34 m = OPENSSL_malloc(EVP_PKEY_size(pkey) + 2);
36 PEMerr(PEM_F_PEM_SIGNFINAL, ERR_R_MALLOC_FAILURE);
40 if (EVP_SignFinal(ctx, m, &m_len, pkey) <= 0)
43 i = EVP_EncodeBlock(sigret, m, m_len);
47 /* ctx has been zeroed by EVP_SignFinal() */