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Commit | Line | Data |
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62867571 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
d02b48c6 | 3 | * |
62867571 RS |
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 | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
ec577822 BM |
12 | #include <openssl/rand.h> |
13 | #include <openssl/evp.h> | |
14 | #include <openssl/objects.h> | |
15 | #include <openssl/x509.h> | |
16 | #include <openssl/pem.h> | |
d02b48c6 | 17 | |
b6dcdbfc | 18 | int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type) |
0f113f3e MC |
19 | { |
20 | return EVP_DigestInit_ex(ctx, type, NULL); | |
21 | } | |
d02b48c6 | 22 | |
0f113f3e MC |
23 | int PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, unsigned int count) |
24 | { | |
25 | return EVP_DigestUpdate(ctx, data, count); | |
26 | } | |
d02b48c6 | 27 | |
0f113f3e MC |
28 | int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, |
29 | unsigned int *siglen, EVP_PKEY *pkey) | |
30 | { | |
31 | unsigned char *m; | |
32 | int i, ret = 0; | |
33 | unsigned int m_len; | |
d02b48c6 | 34 | |
b196e7d9 | 35 | m = OPENSSL_malloc(EVP_PKEY_size(pkey) + 2); |
0f113f3e MC |
36 | if (m == NULL) { |
37 | PEMerr(PEM_F_PEM_SIGNFINAL, ERR_R_MALLOC_FAILURE); | |
38 | goto err; | |
39 | } | |
d02b48c6 | 40 | |
0f113f3e MC |
41 | if (EVP_SignFinal(ctx, m, &m_len, pkey) <= 0) |
42 | goto err; | |
d02b48c6 | 43 | |
0f113f3e MC |
44 | i = EVP_EncodeBlock(sigret, m, m_len); |
45 | *siglen = i; | |
46 | ret = 1; | |
47 | err: | |
48 | /* ctx has been zeroed by EVP_SignFinal() */ | |
b548a1f1 | 49 | OPENSSL_free(m); |
0f113f3e MC |
50 | return (ret); |
51 | } |