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Commit | Line | Data |
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62867571 | 1 | /* |
38fc02a7 | 2 | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
16742672 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
62867571 RS |
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/evp.h> |
13 | #include <openssl/objects.h> | |
14 | #include <openssl/x509.h> | |
15 | #include <openssl/pem.h> | |
d02b48c6 | 16 | |
b6dcdbfc | 17 | int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type) |
0f113f3e MC |
18 | { |
19 | return EVP_DigestInit_ex(ctx, type, NULL); | |
20 | } | |
d02b48c6 | 21 | |
de0799b0 RL |
22 | int PEM_SignUpdate(EVP_MD_CTX *ctx, |
23 | const unsigned char *data, unsigned int count) | |
0f113f3e MC |
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 | |
ed576acd | 35 | m = OPENSSL_malloc(EVP_PKEY_get_size(pkey)); |
0f113f3e | 36 | if (m == NULL) { |
9311d0c4 | 37 | ERR_raise(ERR_LIB_PEM, ERR_R_MALLOC_FAILURE); |
0f113f3e MC |
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); |
26a7d938 | 50 | return ret; |
0f113f3e | 51 | } |