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).
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
71 unsigned char * PKCS12_pbe_crypt (algor, pass, passlen, in, inlen,
86 if(!(out = Malloc (inlen + 8))) {
87 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,ERR_R_MALLOC_FAILURE);
92 if (!EVP_PBE_ALGOR_CipherInit (algor, pass, passlen, &ctx, en_de)) {
93 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_ALGOR_CIPHERINIT_ERROR);
96 EVP_CipherUpdate (&ctx, out, &i, in, inlen);
98 if(!EVP_CipherFinal (&ctx, out + i, &i)) {
100 PKCS12err(PKCS12_F_PKCS12_PBE_CRYPT,PKCS12_R_PKCS12_CIPHERFINAL_ERROR);
104 if (datalen) *datalen = outlen;
105 if (data) *data = out;
110 /* Decrypt an OCTET STRING and decode ASN1 structure
111 * if seq & 1 'obj' is a stack of structures to be encoded
112 * if seq & 2 zero buffer after use
116 char * PKCS12_decrypt_d2i (algor, d2i, free_func, pass, passlen, oct, seq)
122 ASN1_OCTET_STRING *oct;
125 unsigned char *out, *p;
129 if (!PKCS12_pbe_crypt (algor, pass, passlen, oct->data, oct->length,
131 PKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_PKCS12_PBE_CRYPT_ERROR);
141 sprintf(fname, "DER%d", fnm++);
142 op = fopen(fname, "wb");
143 fwrite (p, 1, outlen, op);
147 if (seq & 1) ret = (char *) d2i_ASN1_SET(NULL, &p, outlen, d2i,
148 free_func, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
149 else ret = d2i(NULL, &p, outlen);
150 if (seq & 2) memset(out, 0, outlen);
151 if(!ret) PKCS12err(PKCS12_F_PKCS12_DECRYPT_D2I,PKCS12_R_DECODE_ERROR);
156 /* Encode ASN1 structure and encrypt, return OCTET STRING
157 * if 'seq' is non-zero 'obj' is a stack of structures to be encoded
161 ASN1_OCTET_STRING *PKCS12_i2d_encrypt (algor, i2d, pass, passlen, obj, seq)
169 ASN1_OCTET_STRING *oct;
170 unsigned char *in, *p;
172 if (!(oct = ASN1_OCTET_STRING_new ())) {
173 PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,ERR_R_MALLOC_FAILURE);
176 if (seq) inlen = i2d_ASN1_SET((STACK *)obj, NULL, i2d, V_ASN1_SEQUENCE,
177 V_ASN1_UNIVERSAL, IS_SEQUENCE);
178 else inlen = i2d (obj, NULL);
180 PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,PKCS12_R_ENCODE_ERROR);
183 if (!(in = Malloc (inlen))) {
184 PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,ERR_R_MALLOC_FAILURE);
188 if (seq) i2d_ASN1_SET((STACK *)obj, &p, i2d, V_ASN1_SEQUENCE,
189 V_ASN1_UNIVERSAL, IS_SEQUENCE);
191 if (!PKCS12_pbe_crypt (algor, pass, passlen, in, inlen, &oct->data,
193 PKCS12err(PKCS12_F_PKCS12_I2D_ENCRYPT,PKCS12_R_ENCRYPT_ERROR);