35fd99538a
Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/9034)
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/*
|
|
* Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "internal/cryptlib.h"
|
|
#include <openssl/evp.h>
|
|
#include <openssl/objects.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/pem.h>
|
|
|
|
int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type)
|
|
{
|
|
return EVP_DigestInit_ex(ctx, type, NULL);
|
|
}
|
|
|
|
int PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, unsigned int count)
|
|
{
|
|
return EVP_DigestUpdate(ctx, data, count);
|
|
}
|
|
|
|
int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
|
|
unsigned int *siglen, EVP_PKEY *pkey)
|
|
{
|
|
unsigned char *m;
|
|
int i, ret = 0;
|
|
unsigned int m_len;
|
|
|
|
m = OPENSSL_malloc(EVP_PKEY_size(pkey));
|
|
if (m == NULL) {
|
|
PEMerr(PEM_F_PEM_SIGNFINAL, ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
}
|
|
|
|
if (EVP_SignFinal(ctx, m, &m_len, pkey) <= 0)
|
|
goto err;
|
|
|
|
i = EVP_EncodeBlock(sigret, m, m_len);
|
|
*siglen = i;
|
|
ret = 1;
|
|
err:
|
|
/* ctx has been zeroed by EVP_SignFinal() */
|
|
OPENSSL_free(m);
|
|
return ret;
|
|
}
|