1 /*
2 * Copyright 2001-2021 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/core.h>
13 #include <openssl/pkcs12.h>
14 #include "crypto/x509.h"
15
PKCS8_encrypt_ex(int pbe_nid,const EVP_CIPHER * cipher,const char * pass,int passlen,unsigned char * salt,int saltlen,int iter,PKCS8_PRIV_KEY_INFO * p8inf,OSSL_LIB_CTX * libctx,const char * propq)16 X509_SIG *PKCS8_encrypt_ex(int pbe_nid, const EVP_CIPHER *cipher,
17 const char *pass, int passlen,
18 unsigned char *salt, int saltlen, int iter,
19 PKCS8_PRIV_KEY_INFO *p8inf,
20 OSSL_LIB_CTX *libctx, const char *propq)
21 {
22 X509_SIG *p8 = NULL;
23 X509_ALGOR *pbe;
24
25 if (pbe_nid == -1) {
26 if (cipher == NULL) {
27 ERR_raise(ERR_LIB_PKCS12, ERR_R_PASSED_NULL_PARAMETER);
28 return NULL;
29 }
30 pbe = PKCS5_pbe2_set_iv_ex(cipher, iter, salt, saltlen, NULL, -1,
31 libctx);
32 } else {
33 ERR_set_mark();
34 if (EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
35 ERR_clear_last_mark();
36 if (cipher == NULL) {
37 ERR_raise(ERR_LIB_PKCS12, ERR_R_PASSED_NULL_PARAMETER);
38 return NULL;
39 }
40 pbe = PKCS5_pbe2_set_iv_ex(cipher, iter, salt, saltlen, NULL,
41 pbe_nid, libctx);
42 } else {
43 ERR_pop_to_mark();
44 pbe = PKCS5_pbe_set_ex(pbe_nid, iter, salt, saltlen, libctx);
45 }
46 }
47 if (pbe == NULL) {
48 ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
49 return NULL;
50 }
51 p8 = PKCS8_set0_pbe_ex(pass, passlen, p8inf, pbe, libctx, propq);
52 if (p8 == NULL) {
53 X509_ALGOR_free(pbe);
54 return NULL;
55 }
56
57 return p8;
58 }
59
PKCS8_encrypt(int pbe_nid,const EVP_CIPHER * cipher,const char * pass,int passlen,unsigned char * salt,int saltlen,int iter,PKCS8_PRIV_KEY_INFO * p8inf)60 X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
61 const char *pass, int passlen,
62 unsigned char *salt, int saltlen, int iter,
63 PKCS8_PRIV_KEY_INFO *p8inf)
64 {
65 return PKCS8_encrypt_ex(pbe_nid, cipher, pass, passlen, salt, saltlen, iter,
66 p8inf, NULL, NULL);
67 }
68
PKCS8_set0_pbe_ex(const char * pass,int passlen,PKCS8_PRIV_KEY_INFO * p8inf,X509_ALGOR * pbe,OSSL_LIB_CTX * ctx,const char * propq)69 X509_SIG *PKCS8_set0_pbe_ex(const char *pass, int passlen,
70 PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe,
71 OSSL_LIB_CTX *ctx, const char *propq)
72 {
73 X509_SIG *p8;
74 ASN1_OCTET_STRING *enckey;
75
76 enckey =
77 PKCS12_item_i2d_encrypt_ex(pbe, ASN1_ITEM_rptr(PKCS8_PRIV_KEY_INFO),
78 pass, passlen, p8inf, 1, ctx, propq);
79 if (!enckey) {
80 ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCRYPT_ERROR);
81 return NULL;
82 }
83
84 p8 = OPENSSL_zalloc(sizeof(*p8));
85
86 if (p8 == NULL) {
87 ASN1_OCTET_STRING_free(enckey);
88 return NULL;
89 }
90 p8->algor = pbe;
91 p8->digest = enckey;
92
93 return p8;
94 }
95
PKCS8_set0_pbe(const char * pass,int passlen,PKCS8_PRIV_KEY_INFO * p8inf,X509_ALGOR * pbe)96 X509_SIG *PKCS8_set0_pbe(const char *pass, int passlen,
97 PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe)
98 {
99 return PKCS8_set0_pbe_ex(pass, passlen, p8inf, pbe, NULL, NULL);
100 }
101
