2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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).
61 #include <openssl/pkcs12.h>
63 /* Define this to dump decrypted output to files called DERnnn */
64 /*#define DEBUG_DECRYPT*/
67 /* Encrypt/Decrypt a buffer based on password and algor, result in a
68 * OPENSSL_malloc'ed buffer
71 unsigned char * PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass,
72 int passlen, unsigned char *in, int inlen, unsigned char **data,
73 int *datalen, int en_de)
80 if (!EVP_PBE_CipherInit (algor->algorithm, pass, passlen,
81 algor->parameter, &ctx, en_de)) {
82 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);
86 if(!(out = OPENSSL_malloc (inlen + EVP_CIPHER_CTX_block_size(&ctx)))) {
87 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,ERR_R_MALLOC_FAILURE);
91 EVP_CipherUpdate (&ctx, out, &i, in, inlen);
93 if(!EVP_CipherFinal (&ctx, out + i, &i)) {
95 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
99 if (datalen) *datalen = outlen;
100 if (data) *data = out;
105 /* Decrypt an OCTET STRING and decode ASN1 structure
106 * if zbuf set zero buffer after use.
109 void * PKCS12_item_decrypt_d2i(X509_ALGOR *algor, const ASN1_ITEM *it,
110 const char *pass, int passlen, ASN1_OCTET_STRING *oct, int zbuf)
112 unsigned char *out, *p;
116 if (!PKCS12_pbe_crypt(algor, pass, passlen, oct->data, oct->length,
118 PKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_PKCS12_PBE_CRYPT_ERROR);
128 sprintf(fname, "DER%d", fnm++);
129 op = fopen(fname, "wb");
130 fwrite (p, 1, outlen, op);
134 ret = ASN1_item_d2i(NULL, &p, outlen, it);
135 if (zbuf) memset(out, 0, outlen);
136 if(!ret) PKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_DECODE_ERROR);
141 /* Encode ASN1 structure and encrypt, return OCTET STRING
142 * if zbuf set zero encoding.
145 ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor, const ASN1_ITEM *it,
146 const char *pass, int passlen,
149 ASN1_OCTET_STRING *oct;
150 unsigned char *in = NULL;
152 if (!(oct = M_ASN1_OCTET_STRING_new ())) {
153 PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,ERR_R_MALLOC_FAILURE);
156 inlen = ASN1_item_i2d(obj, &in, it);
158 PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,PKCS12_R_ENCODE_ERROR);
161 if (!PKCS12_pbe_crypt(algor, pass, passlen, in, inlen, &oct->data,
163 PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,PKCS12_R_ENCRYPT_ERROR);
167 if (zbuf) memset(in, 0, inlen);
172 IMPLEMENT_PKCS12_STACK_OF(PKCS7)