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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/pem/pem_sign.c
2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
,
23 const unsigned char *data
, unsigned int count
)
25 return EVP_DigestUpdate(ctx
, data
, count
);
28 int PEM_SignFinal(EVP_MD_CTX
*ctx
, unsigned char *sigret
,
29 unsigned int *siglen
, EVP_PKEY
*pkey
)
35 m
= OPENSSL_malloc(EVP_PKEY_get_size(pkey
));
37 ERR_raise(ERR_LIB_PEM
, ERR_R_MALLOC_FAILURE
);
41 if (EVP_SignFinal(ctx
, m
, &m_len
, pkey
) <= 0)
44 i
= EVP_EncodeBlock(sigret
, m
, m_len
);
48 /* ctx has been zeroed by EVP_SignFinal() */