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comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/openssl/srp.h @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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67:0e9998148a16 69:33d812a61356
1 /*
2 * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2004, EdelKey Project. All Rights Reserved.
4 *
5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
9 *
10 * Originally written by Christophe Renou and Peter Sylvester,
11 * for the EdelKey project.
12 */
13
14 #ifndef HEADER_SRP_H
15 # define HEADER_SRP_H
16
17 #include <openssl/opensslconf.h>
18
19 #ifndef OPENSSL_NO_SRP
20 # include <stdio.h>
21 # include <string.h>
22 # include <openssl/safestack.h>
23 # include <openssl/bn.h>
24 # include <openssl/crypto.h>
25
26 # ifdef __cplusplus
27 extern "C" {
28 # endif
29
30 typedef struct SRP_gN_cache_st {
31 char *b64_bn;
32 BIGNUM *bn;
33 } SRP_gN_cache;
34
35
36 DEFINE_STACK_OF(SRP_gN_cache)
37
38 typedef struct SRP_user_pwd_st {
39 /* Owned by us. */
40 char *id;
41 BIGNUM *s;
42 BIGNUM *v;
43 /* Not owned by us. */
44 const BIGNUM *g;
45 const BIGNUM *N;
46 /* Owned by us. */
47 char *info;
48 } SRP_user_pwd;
49
50 void SRP_user_pwd_free(SRP_user_pwd *user_pwd);
51
52 DEFINE_STACK_OF(SRP_user_pwd)
53
54 typedef struct SRP_VBASE_st {
55 STACK_OF(SRP_user_pwd) *users_pwd;
56 STACK_OF(SRP_gN_cache) *gN_cache;
57 /* to simulate a user */
58 char *seed_key;
59 const BIGNUM *default_g;
60 const BIGNUM *default_N;
61 } SRP_VBASE;
62
63 /*
64 * Internal structure storing N and g pair
65 */
66 typedef struct SRP_gN_st {
67 char *id;
68 const BIGNUM *g;
69 const BIGNUM *N;
70 } SRP_gN;
71
72 DEFINE_STACK_OF(SRP_gN)
73
74 SRP_VBASE *SRP_VBASE_new(char *seed_key);
75 void SRP_VBASE_free(SRP_VBASE *vb);
76 int SRP_VBASE_init(SRP_VBASE *vb, char *verifier_file);
77
78 /* This method ignores the configured seed and fails for an unknown user. */
79 DEPRECATEDIN_1_1_0(SRP_user_pwd *SRP_VBASE_get_by_user(SRP_VBASE *vb, char *username))
80 /* NOTE: unlike in SRP_VBASE_get_by_user, caller owns the returned pointer.*/
81 SRP_user_pwd *SRP_VBASE_get1_by_user(SRP_VBASE *vb, char *username);
82
83 char *SRP_create_verifier(const char *user, const char *pass, char **salt,
84 char **verifier, const char *N, const char *g);
85 int SRP_create_verifier_BN(const char *user, const char *pass, BIGNUM **salt,
86 BIGNUM **verifier, const BIGNUM *N,
87 const BIGNUM *g);
88
89 # define SRP_NO_ERROR 0
90 # define SRP_ERR_VBASE_INCOMPLETE_FILE 1
91 # define SRP_ERR_VBASE_BN_LIB 2
92 # define SRP_ERR_OPEN_FILE 3
93 # define SRP_ERR_MEMORY 4
94
95 # define DB_srptype 0
96 # define DB_srpverifier 1
97 # define DB_srpsalt 2
98 # define DB_srpid 3
99 # define DB_srpgN 4
100 # define DB_srpinfo 5
101 # undef DB_NUMBER
102 # define DB_NUMBER 6
103
104 # define DB_SRP_INDEX 'I'
105 # define DB_SRP_VALID 'V'
106 # define DB_SRP_REVOKED 'R'
107 # define DB_SRP_MODIF 'v'
108
109 /* see srp.c */
110 char *SRP_check_known_gN_param(const BIGNUM *g, const BIGNUM *N);
111 SRP_gN *SRP_get_default_gN(const char *id);
112
113 /* server side .... */
114 BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,
115 const BIGNUM *b, const BIGNUM *N);
116 BIGNUM *SRP_Calc_B(const BIGNUM *b, const BIGNUM *N, const BIGNUM *g,
117 const BIGNUM *v);
118 int SRP_Verify_A_mod_N(const BIGNUM *A, const BIGNUM *N);
119 BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N);
120
121 /* client side .... */
122 BIGNUM *SRP_Calc_x(const BIGNUM *s, const char *user, const char *pass);
123 BIGNUM *SRP_Calc_A(const BIGNUM *a, const BIGNUM *N, const BIGNUM *g);
124 BIGNUM *SRP_Calc_client_key(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
125 const BIGNUM *x, const BIGNUM *a, const BIGNUM *u);
126 int SRP_Verify_B_mod_N(const BIGNUM *B, const BIGNUM *N);
127
128 # define SRP_MINIMAL_N 1024
129
130 # ifdef __cplusplus
131 }
132 # endif
133 # endif
134
135 #endif