2 /* Written by Dr Stephen N Henson (steve@openssl.org) 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
,
73 unsigned char **data
, size_t *datalen
,
80 EVP_CIPHER_CTX_init(&ctx
);
82 if (!EVP_PBE_CipherInit(algor
->algorithm
, pass
, passlen
,
83 algor
->parameter
, &ctx
, en_de
)) {
84 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT
,PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR
);
88 if(!(out
= OPENSSL_malloc(inlen
+ EVP_CIPHER_CTX_block_size(&ctx
)))) {
89 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT
,ERR_R_MALLOC_FAILURE
);
93 EVP_CipherUpdate(&ctx
, out
, &i
, in
, inlen
);
95 if(!EVP_CipherFinal_ex(&ctx
, out
+ i
, &i
)) {
98 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT
,PKCS12_R_PKCS12_CIPHERFINAL_ERROR
);
102 if (datalen
) *datalen
= outlen
;
103 if (data
) *data
= out
;
105 EVP_CIPHER_CTX_cleanup(&ctx
);
110 /* Decrypt an OCTET STRING and decode ASN1 structure
111 * if zbuf set zero buffer after use.
114 void * PKCS12_item_decrypt_d2i(X509_ALGOR
*algor
, const ASN1_ITEM
*it
,
115 const char *pass
, int passlen
,
116 ASN1_OCTET_STRING
*oct
, int zbuf
)
119 const unsigned char *p
;
123 if (!PKCS12_pbe_crypt(algor
, pass
, passlen
, oct
->data
, oct
->length
,
125 PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I
,PKCS12_R_PKCS12_PBE_CRYPT_ERROR
);
135 sprintf(fname
, "DER%d", fnm
++);
136 op
= fopen(fname
, "wb");
137 fwrite (p
, 1, outlen
, op
);
141 ret
= ASN1_item_d2i(NULL
, &p
, outlen
, it
);
142 if (zbuf
) OPENSSL_cleanse(out
, outlen
);
143 if(!ret
) PKCS12err(PKCS12_F_PKCS12_ITEM_DECRYPT_D2I
,PKCS12_R_DECODE_ERROR
);
148 /* Encode ASN1 structure and encrypt, return OCTET STRING
149 * if zbuf set zero encoding.
152 ASN1_OCTET_STRING
*PKCS12_item_i2d_encrypt(X509_ALGOR
*algor
,
154 const char *pass
, int passlen
,
157 ASN1_OCTET_STRING
*oct
;
158 unsigned char *in
= NULL
;
160 if (!(oct
= M_ASN1_OCTET_STRING_new ())) {
161 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT
,ERR_R_MALLOC_FAILURE
);
164 inlen
= ASN1_item_i2d(obj
, &in
, it
);
166 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT
,PKCS12_R_ENCODE_ERROR
);
169 if (!PKCS12_pbe_crypt(algor
, pass
, passlen
, in
, inlen
, &oct
->data
,
171 PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT
,PKCS12_R_ENCRYPT_ERROR
);
175 if (zbuf
) OPENSSL_cleanse(in
, inlen
);
180 IMPLEMENT_PKCS12_STACK_OF(PKCS7
)