deimos.openssl.srp source code

1 /* crypto/srp/srp.h */
2 /* Written by Christophe Renou (christophe.renou@edelweb.fr) with 
3  * the precious help of Peter Sylvester (peter.sylvester@edelweb.fr) 
4  * for the EdelKey project and contributed to the OpenSSL project 2004.
5  */
6 /* ====================================================================
7  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer. 
15  *
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
19  *    distribution.
20  *
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/)"
25  *
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.
30  *
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.
34  *
35  * 6. Redistributions of any form whatsoever must retain the following
36  *    acknowledgment:
37  *    "This product includes software developed by the OpenSSL Project
38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39  *
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  * ====================================================================
53  *
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).
57  *
58  */
59 module deimos.openssl.srp;
60 
61 import deimos.openssl._d_util;
62 
63 extern(C):
64 nothrow:
65 
66 version(OPENSSL_NO_SRP) {} else {
67 
68 import core.stdc.stdio;
69 import core.stdc.string;
70 
71 public import deimos.openssl.safestack;
72 public import deimos.openssl.bn;
73 public import deimos.openssl.crypto;
74 
75 struct SRP_gN_cache_st
76 	{
77 	char *b64_bn;
78 	BIGNUM *bn;
79 	}
80 alias SRP_gN_cache = SRP_gN_cache_st;
81 
82 /+mixin DECLARE_STACK_OF!(SRP_gN_cache);+/
83 
84 struct SRP_user_pwd_st
85 	{
86 	char *id;
87 	BIGNUM *s;
88 	BIGNUM *v;
89 	const BIGNUM *g;
90 	const BIGNUM *N;
91 	char *info;
92 	}
93 alias SRP_user_pwd = SRP_user_pwd_st;
94 
95 /+mixin DECLARE_STACK_OF!(SRP_user_pwd);+/
96 
97 struct SRP_VBASE_st
98 	{
99 	STACK_OF!SRP_user_pwd *users_pwd;
100 	STACK_OF!SRP_gN_cache *gN_cache;
101 /* to simulate a user */
102 	char *seed_key;
103 	BIGNUM *default_g;
104 	BIGNUM *default_N;
105 	}
106 alias SRP_VBASE = SRP_VBASE_st;
107 
108 /*Structure interne pour retenir les couples N et g*/
109 struct SRP_gN_st
110 	{
111 	char *id;
112 	BIGNUM *g;
113 	BIGNUM *N;
114 	}
115 alias SRP_gN = SRP_gN_st;
116 
117 /+mixin DECLARE_STACK_OF!(SRP_gN);+/
118 
119 SRP_VBASE *SRP_VBASE_new(char *seed_key);
120 int SRP_VBASE_free(SRP_VBASE *vb);
121 int SRP_VBASE_init(SRP_VBASE *vb, char * verifier_file);
122 SRP_user_pwd *SRP_VBASE_get_by_user(SRP_VBASE *vb, char *username);
123 char *SRP_create_verifier(const char *user, const char *pass, char **salt,
124 			  char **verifier, const char *N, const char *g);
125 int SRP_create_verifier_BN(const char *user, const char *pass, BIGNUM **salt, BIGNUM **verifier, BIGNUM *N, BIGNUM *g);
126 
127 
128 enum SRP_NO_ERROR = 0;
129 enum SRP_ERR_VBASE_INCOMPLETE_FILE = 1;
130 enum SRP_ERR_VBASE_BN_LIB = 2;
131 enum SRP_ERR_OPEN_FILE = 3;
132 enum SRP_ERR_MEMORY = 4;
133 
134 enum DB_srptype = 0;
135 enum DB_srpverifier = 1;
136 enum DB_srpsalt = 2;
137 enum DB_srpid = 3;
138 enum DB_srpgN = 4;
139 enum DB_srpinfo = 5;
140 // #undef  DB_NUMBER
141 enum DB_NUMBER = 6;
142 
143 enum DB_SRP_INDEX = 'I';
144 enum DB_SRP_VALID = 'V';
145 enum DB_SRP_REVOKED = 'R';
146 enum DB_SRP_MODIF = 'v';
147 
148 /* see srp.c */
149 char * SRP_check_known_gN_param(BIGNUM* g, BIGNUM* N);
150 SRP_gN *SRP_get_default_gN(const char * id) ;
151 
152 /* server side .... */
153 BIGNUM *SRP_Calc_server_key(BIGNUM *A, BIGNUM *v, BIGNUM *u, BIGNUM *b, BIGNUM *N);
154 BIGNUM *SRP_Calc_B(BIGNUM *b, BIGNUM *N, BIGNUM *g, BIGNUM *v);
155 int SRP_Verify_A_mod_N(BIGNUM *A, BIGNUM *N);
156 BIGNUM *SRP_Calc_u(BIGNUM *A, BIGNUM *B, BIGNUM *N) ;
157 
158 
159 
160 /* client side .... */
161 BIGNUM *SRP_Calc_x(BIGNUM *s, const char *user, const char *pass);
162 BIGNUM *SRP_Calc_A(BIGNUM *a, BIGNUM *N, BIGNUM *g);
163 BIGNUM *SRP_Calc_client_key(BIGNUM *N, BIGNUM *B, BIGNUM *g, BIGNUM *x, BIGNUM *a, BIGNUM *u);
164 int SRP_Verify_B_mod_N(BIGNUM *B, BIGNUM *N);
165 
166 enum SRP_MINIMAL_N = 1024;
167 }