1/*
2 * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/pkcs12.h>
13#include "crypto/x509.h"
14
15X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
16 const char *pass, int passlen,
17 unsigned char *salt, int saltlen, int iter,
18 PKCS8_PRIV_KEY_INFO *p8inf)
19{
20 X509_SIG *p8 = NULL;
21 X509_ALGOR *pbe;
22
23 if (pbe_nid == -1)
24 pbe = PKCS5_pbe2_set(cipher, iter, salt, saltlen);
25 else if (EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0))
26 pbe = PKCS5_pbe2_set_iv(cipher, iter, salt, saltlen, NULL, pbe_nid);
27 else {
28 ERR_clear_error();
29 pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen);
30 }
31 if (pbe == NULL) {
32 PKCS12err(PKCS12_F_PKCS8_ENCRYPT, ERR_R_ASN1_LIB);
33 return NULL;
34 }
35 p8 = PKCS8_set0_pbe(pass, passlen, p8inf, pbe);
36 if (p8 == NULL) {
37 X509_ALGOR_free(pbe);
38 return NULL;
39 }
40
41 return p8;
42}
43
44X509_SIG *PKCS8_set0_pbe(const char *pass, int passlen,
45 PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe)
46{
47 X509_SIG *p8;
48 ASN1_OCTET_STRING *enckey;
49
50 enckey =
51 PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS8_PRIV_KEY_INFO),
52 pass, passlen, p8inf, 1);
53 if (!enckey) {
54 PKCS12err(PKCS12_F_PKCS8_SET0_PBE, PKCS12_R_ENCRYPT_ERROR);
55 return NULL;
56 }
57
58 p8 = OPENSSL_zalloc(sizeof(*p8));
59
60 if (p8 == NULL) {
61 PKCS12err(PKCS12_F_PKCS8_SET0_PBE, ERR_R_MALLOC_FAILURE);
62 ASN1_OCTET_STRING_free(enckey);
63 return NULL;
64 }
65 p8->algor = pbe;
66 p8->digest = enckey;
67
68 return p8;
69}
70