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d2e26dcc DSH |
1 | /* p5_pbev2.c */ |
2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL | |
3 | * project 1999. | |
4 | */ | |
5 | /* ==================================================================== | |
6 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * | |
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 | |
18 | * distribution. | |
19 | * | |
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/)" | |
24 | * | |
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. | |
29 | * | |
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. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
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 | * ==================================================================== | |
52 | * | |
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). | |
56 | * | |
57 | */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include "cryptlib.h" | |
61 | #include "asn1_mac.h" | |
62 | #include "rand.h" | |
63 | ||
64 | /* PKCS#5 v2.0 password based encryption structures */ | |
65 | ||
66 | /* | |
67 | *ASN1err(ASN1_F_PBE2PARAM_NEW,ASN1_R_DECODE_ERROR) | |
68 | *ASN1err(ASN1_F_D2I_PBE2PARAM,ASN1_R_DECODE_ERROR) | |
69 | *ASN1err(ASN1_F_PBKDF2PARAM_NEW,ASN1_R_DECODE_ERROR) | |
70 | *ASN1err(ASN1_F_D2I_PBKDF2PARAM,ASN1_R_DECODE_ERROR) | |
71 | */ | |
72 | ||
6b691a5c | 73 | int i2d_PBE2PARAM(PBE2PARAM *a, unsigned char **pp) |
d2e26dcc DSH |
74 | { |
75 | M_ASN1_I2D_vars(a); | |
76 | M_ASN1_I2D_len (a->keyfunc, i2d_X509_ALGOR); | |
77 | M_ASN1_I2D_len (a->encryption, i2d_X509_ALGOR); | |
78 | ||
79 | M_ASN1_I2D_seq_total (); | |
80 | ||
81 | M_ASN1_I2D_put (a->keyfunc, i2d_X509_ALGOR); | |
82 | M_ASN1_I2D_put (a->encryption, i2d_X509_ALGOR); | |
83 | ||
84 | M_ASN1_I2D_finish(); | |
85 | } | |
86 | ||
6b691a5c | 87 | PBE2PARAM *PBE2PARAM_new(void) |
d2e26dcc DSH |
88 | { |
89 | PBE2PARAM *ret=NULL; | |
90 | ASN1_CTX c; | |
91 | M_ASN1_New_Malloc(ret, PBE2PARAM); | |
92 | M_ASN1_New(ret->keyfunc,X509_ALGOR_new); | |
93 | M_ASN1_New(ret->encryption,X509_ALGOR_new); | |
94 | return (ret); | |
95 | M_ASN1_New_Error(ASN1_F_PBE2PARAM_NEW); | |
96 | } | |
97 | ||
6b691a5c | 98 | PBE2PARAM *d2i_PBE2PARAM(PBE2PARAM **a, unsigned char **pp, long length) |
d2e26dcc DSH |
99 | { |
100 | M_ASN1_D2I_vars(a,PBE2PARAM *,PBE2PARAM_new); | |
101 | M_ASN1_D2I_Init(); | |
102 | M_ASN1_D2I_start_sequence(); | |
103 | M_ASN1_D2I_get (ret->keyfunc, d2i_X509_ALGOR); | |
104 | M_ASN1_D2I_get (ret->encryption, d2i_X509_ALGOR); | |
105 | M_ASN1_D2I_Finish(a, PBE2PARAM_free, ASN1_F_D2I_PBE2PARAM); | |
106 | } | |
107 | ||
6b691a5c | 108 | void PBE2PARAM_free (PBE2PARAM *a) |
d2e26dcc DSH |
109 | { |
110 | if(a==NULL) return; | |
111 | X509_ALGOR_free(a->keyfunc); | |
112 | X509_ALGOR_free(a->encryption); | |
113 | Free ((char *)a); | |
114 | } | |
115 | ||
6b691a5c | 116 | int i2d_PBKDF2PARAM(PBKDF2PARAM *a, unsigned char **pp) |
d2e26dcc DSH |
117 | { |
118 | M_ASN1_I2D_vars(a); | |
119 | M_ASN1_I2D_len (a->salt, i2d_ASN1_OCTET_STRING); | |
120 | M_ASN1_I2D_len (a->iter, i2d_ASN1_INTEGER); | |
121 | M_ASN1_I2D_len (a->keylength, i2d_ASN1_INTEGER); | |
122 | M_ASN1_I2D_len (a->prf, i2d_X509_ALGOR); | |
123 | ||
124 | M_ASN1_I2D_seq_total (); | |
125 | ||
126 | M_ASN1_I2D_put (a->salt, i2d_ASN1_OCTET_STRING); | |
127 | M_ASN1_I2D_put (a->iter, i2d_ASN1_INTEGER); | |
128 | M_ASN1_I2D_put (a->keylength, i2d_ASN1_INTEGER); | |
129 | M_ASN1_I2D_put (a->prf, i2d_X509_ALGOR); | |
130 | ||
131 | M_ASN1_I2D_finish(); | |
132 | } | |
133 | ||
6b691a5c | 134 | PBKDF2PARAM *PBKDF2PARAM_new(void) |
d2e26dcc DSH |
135 | { |
136 | PBKDF2PARAM *ret=NULL; | |
137 | ASN1_CTX c; | |
138 | M_ASN1_New_Malloc(ret, PBKDF2PARAM); | |
139 | M_ASN1_New(ret->salt, ASN1_OCTET_STRING_new); | |
140 | M_ASN1_New(ret->iter, ASN1_INTEGER_new); | |
141 | ret->keylength = NULL; | |
142 | ret->prf = NULL; | |
143 | return (ret); | |
144 | M_ASN1_New_Error(ASN1_F_PBKDF2PARAM_NEW); | |
145 | } | |
146 | ||
6b691a5c UM |
147 | PBKDF2PARAM *d2i_PBKDF2PARAM(PBKDF2PARAM **a, unsigned char **pp, |
148 | long length) | |
d2e26dcc DSH |
149 | { |
150 | M_ASN1_D2I_vars(a,PBKDF2PARAM *,PBKDF2PARAM_new); | |
151 | M_ASN1_D2I_Init(); | |
152 | M_ASN1_D2I_start_sequence(); | |
153 | M_ASN1_D2I_get (ret->salt, d2i_ASN1_OCTET_STRING); | |
154 | M_ASN1_D2I_get (ret->iter, d2i_ASN1_INTEGER); | |
155 | M_ASN1_D2I_get_opt (ret->keylength, d2i_ASN1_INTEGER, V_ASN1_INTEGER); | |
156 | M_ASN1_D2I_get_opt (ret->prf, d2i_X509_ALGOR, V_ASN1_SEQUENCE); | |
157 | M_ASN1_D2I_Finish(a, PBKDF2PARAM_free, ASN1_F_D2I_PBKDF2PARAM); | |
158 | } | |
159 | ||
6b691a5c | 160 | void PBKDF2PARAM_free (PBKDF2PARAM *a) |
d2e26dcc DSH |
161 | { |
162 | if(a==NULL) return; | |
163 | ASN1_OCTET_STRING_free(a->salt); | |
164 | ASN1_INTEGER_free(a->iter); | |
165 | ASN1_INTEGER_free(a->keylength); | |
166 | X509_ALGOR_free(a->prf); | |
167 | Free ((char *)a); | |
168 | } | |
169 |