| 1 | /*
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| 2 | * Copyright 2001-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include "internal/cryptlib.h"
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| 12 | #include <openssl/core.h>
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| 13 | #include <openssl/pkcs12.h>
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| 14 | #include "crypto/x509.h"
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| 15 |
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| 16 | X509_SIG *PKCS8_encrypt_ex(int pbe_nid, const EVP_CIPHER *cipher,
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| 17 | const char *pass, int passlen,
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| 18 | unsigned char *salt, int saltlen, int iter,
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| 19 | PKCS8_PRIV_KEY_INFO *p8inf,
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| 20 | OSSL_LIB_CTX *libctx, const char *propq)
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| 21 | {
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| 22 | X509_SIG *p8 = NULL;
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| 23 | X509_ALGOR *pbe;
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| 24 |
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| 25 | if (pbe_nid == -1) {
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| 26 | if (cipher == NULL) {
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| 27 | ERR_raise(ERR_LIB_PKCS12, ERR_R_PASSED_NULL_PARAMETER);
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| 28 | return NULL;
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| 29 | }
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| 30 | pbe = PKCS5_pbe2_set_iv_ex(cipher, iter, salt, saltlen, NULL, -1,
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| 31 | libctx);
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| 32 | } else {
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| 33 | ERR_set_mark();
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| 34 | if (EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
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| 35 | ERR_clear_last_mark();
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| 36 | if (cipher == NULL) {
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| 37 | ERR_raise(ERR_LIB_PKCS12, ERR_R_PASSED_NULL_PARAMETER);
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| 38 | return NULL;
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| 39 | }
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| 40 | pbe = PKCS5_pbe2_set_iv_ex(cipher, iter, salt, saltlen, NULL,
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| 41 | pbe_nid, libctx);
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| 42 | } else {
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| 43 | ERR_pop_to_mark();
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| 44 | pbe = PKCS5_pbe_set_ex(pbe_nid, iter, salt, saltlen, libctx);
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| 45 | }
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| 46 | }
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| 47 | if (pbe == NULL) {
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| 48 | ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
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| 49 | return NULL;
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| 50 | }
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| 51 | p8 = PKCS8_set0_pbe_ex(pass, passlen, p8inf, pbe, libctx, propq);
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| 52 | if (p8 == NULL) {
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| 53 | X509_ALGOR_free(pbe);
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| 54 | return NULL;
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| 55 | }
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| 56 |
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| 57 | return p8;
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| 58 | }
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| 59 |
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| 60 | X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
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| 61 | const char *pass, int passlen,
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| 62 | unsigned char *salt, int saltlen, int iter,
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| 63 | PKCS8_PRIV_KEY_INFO *p8inf)
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| 64 | {
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| 65 | return PKCS8_encrypt_ex(pbe_nid, cipher, pass, passlen, salt, saltlen, iter,
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| 66 | p8inf, NULL, NULL);
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| 67 | }
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| 68 |
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| 69 | X509_SIG *PKCS8_set0_pbe_ex(const char *pass, int passlen,
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| 70 | PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe,
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| 71 | OSSL_LIB_CTX *ctx, const char *propq)
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| 72 | {
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| 73 | X509_SIG *p8;
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| 74 | ASN1_OCTET_STRING *enckey;
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| 75 |
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| 76 | enckey =
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| 77 | PKCS12_item_i2d_encrypt_ex(pbe, ASN1_ITEM_rptr(PKCS8_PRIV_KEY_INFO),
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| 78 | pass, passlen, p8inf, 1, ctx, propq);
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| 79 | if (!enckey) {
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| 80 | ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCRYPT_ERROR);
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| 81 | return NULL;
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| 82 | }
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| 83 |
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| 84 | p8 = OPENSSL_zalloc(sizeof(*p8));
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| 85 |
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| 86 | if (p8 == NULL) {
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| 87 | ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
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| 88 | ASN1_OCTET_STRING_free(enckey);
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| 89 | return NULL;
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| 90 | }
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| 91 | p8->algor = pbe;
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| 92 | p8->digest = enckey;
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| 93 |
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| 94 | return p8;
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| 95 | }
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| 96 |
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| 97 | X509_SIG *PKCS8_set0_pbe(const char *pass, int passlen,
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| 98 | PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe)
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| 99 | {
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| 100 | return PKCS8_set0_pbe_ex(pass, passlen, p8inf, pbe, NULL, NULL);
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| 101 | }
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