2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
60 #include "internal/cryptlib.h"
61 #include <openssl/pkcs12.h>
63 /* Define this to dump decrypted output to files called DERnnn */
65 * #define DEBUG_DECRYPT
69 * Encrypt/Decrypt a buffer based on password and algor, result in a
70 * OPENSSL_malloc'ed buffer
73 unsigned char *PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass,
74 int passlen, unsigned char *in, int inlen,
75 unsigned char **data, int *datalen, int en_de)
77 unsigned char *out = NULL;
79 EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
82 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);
87 if (!EVP_PBE_CipherInit(algor->algorithm, pass, passlen,
88 algor->parameter, ctx, en_de)) {
89 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,
90 PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);
94 if ((out = OPENSSL_malloc(inlen + EVP_CIPHER_CTX_block_size(ctx)))
96 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);
100 if (!EVP_CipherUpdate(ctx, out, &i, in, inlen)) {
103 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_EVP_LIB);
108 if (!EVP_CipherFinal_ex(ctx, out + i, &i)) {
111 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,
112 PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
121 EVP_CIPHER_CTX_free(ctx);
127 * Decrypt an OCTET STRING and decode ASN1 structure if zbuf set zero buffer
131 void *PKCS12_item_decrypt_d2i(X509_ALGOR *algor, const ASN1_ITEM *it,
132 const char *pass, int passlen,
133 ASN1_OCTET_STRING *oct, int zbuf)
136 const unsigned char *p;
140 if (!PKCS12_pbe_crypt(algor, pass, passlen, oct->data, oct->length,
142 PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I,
143 PKCS12_R_PKCS12_PBE_CRYPT_ERROR);
153 sprintf(fname, "DER%d", fnm++);
154 op = fopen(fname, "wb");
155 fwrite(p, 1, outlen, op);
159 ret = ASN1_item_d2i(NULL, &p, outlen, it);
161 OPENSSL_cleanse(out, outlen);
163 PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I, PKCS12_R_DECODE_ERROR);
169 * Encode ASN1 structure and encrypt, return OCTET STRING if zbuf set zero
173 ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor,
175 const char *pass, int passlen,
178 ASN1_OCTET_STRING *oct = NULL;
179 unsigned char *in = NULL;
182 if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
183 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, ERR_R_MALLOC_FAILURE);
186 inlen = ASN1_item_i2d(obj, &in, it);
188 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCODE_ERROR);
191 if (!PKCS12_pbe_crypt(algor, pass, passlen, in, inlen, &oct->data,
193 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCRYPT_ERROR);
198 OPENSSL_cleanse(in, inlen);
202 ASN1_OCTET_STRING_free(oct);