3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
61 #include "internal/cryptlib.h"
62 #include <openssl/pkcs12.h>
64 /* Define this to dump decrypted output to files called DERnnn */
66 * #define DEBUG_DECRYPT
70 * Encrypt/Decrypt a buffer based on password and algor, result in a
71 * OPENSSL_malloc'ed buffer
74 unsigned char *PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass,
75 int passlen, unsigned char *in, int inlen,
76 unsigned char **data, int *datalen, int en_de)
78 unsigned char *out = NULL;
80 EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
83 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);
88 if (!EVP_PBE_CipherInit(algor->algorithm, pass, passlen,
89 algor->parameter, ctx, en_de)) {
90 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,
91 PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);
95 if ((out = OPENSSL_malloc(inlen + EVP_CIPHER_CTX_block_size(ctx)))
97 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_MALLOC_FAILURE);
101 if (!EVP_CipherUpdate(ctx, out, &i, in, inlen)) {
104 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT, ERR_R_EVP_LIB);
109 if (!EVP_CipherFinal_ex(ctx, out + i, &i)) {
112 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,
113 PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
122 EVP_CIPHER_CTX_free(ctx);
128 * Decrypt an OCTET STRING and decode ASN1 structure if zbuf set zero buffer
132 void *PKCS12_item_decrypt_d2i(X509_ALGOR *algor, const ASN1_ITEM *it,
133 const char *pass, int passlen,
134 ASN1_OCTET_STRING *oct, int zbuf)
137 const unsigned char *p;
141 if (!PKCS12_pbe_crypt(algor, pass, passlen, oct->data, oct->length,
143 PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I,
144 PKCS12_R_PKCS12_PBE_CRYPT_ERROR);
154 sprintf(fname, "DER%d", fnm++);
155 op = fopen(fname, "wb");
156 fwrite(p, 1, outlen, op);
160 ret = ASN1_item_d2i(NULL, &p, outlen, it);
162 OPENSSL_cleanse(out, outlen);
164 PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I, PKCS12_R_DECODE_ERROR);
170 * Encode ASN1 structure and encrypt, return OCTET STRING if zbuf set zero
174 ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor,
176 const char *pass, int passlen,
179 ASN1_OCTET_STRING *oct = NULL;
180 unsigned char *in = NULL;
183 if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
184 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, ERR_R_MALLOC_FAILURE);
187 inlen = ASN1_item_i2d(obj, &in, it);
189 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCODE_ERROR);
192 if (!PKCS12_pbe_crypt(algor, pass, passlen, in, inlen, &oct->data,
194 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCRYPT_ERROR);
199 OPENSSL_cleanse(in, inlen);
203 ASN1_OCTET_STRING_free(oct);