| /* |
| * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved. |
| * Copyright (c) 2004, EdelKey Project. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| * |
| * Originally written by Christophe Renou and Peter Sylvester, |
| * for the EdelKey project. |
| */ |
| |
| #ifndef HEADER_SRP_H |
| # define HEADER_SRP_H |
| |
| #include <openssl/opensslconf.h> |
| |
| #ifndef OPENSSL_NO_SRP |
| # include <stdio.h> |
| # include <string.h> |
| # include <openssl/safestack.h> |
| # include <openssl/bn.h> |
| # include <openssl/crypto.h> |
| |
| # ifdef __cplusplus |
| extern "C" { |
| # endif |
| |
| typedef struct SRP_gN_cache_st { |
| char *b64_bn; |
| BIGNUM *bn; |
| } SRP_gN_cache; |
| |
| |
| DEFINE_STACK_OF(SRP_gN_cache) |
| |
| typedef struct SRP_user_pwd_st { |
| /* Owned by us. */ |
| char *id; |
| BIGNUM *s; |
| BIGNUM *v; |
| /* Not owned by us. */ |
| const BIGNUM *g; |
| const BIGNUM *N; |
| /* Owned by us. */ |
| char *info; |
| } SRP_user_pwd; |
| |
| void SRP_user_pwd_free(SRP_user_pwd *user_pwd); |
| |
| DEFINE_STACK_OF(SRP_user_pwd) |
| |
| typedef struct SRP_VBASE_st { |
| STACK_OF(SRP_user_pwd) *users_pwd; |
| STACK_OF(SRP_gN_cache) *gN_cache; |
| /* to simulate a user */ |
| char *seed_key; |
| const BIGNUM *default_g; |
| const BIGNUM *default_N; |
| } SRP_VBASE; |
| |
| /* |
| * Internal structure storing N and g pair |
| */ |
| typedef struct SRP_gN_st { |
| char *id; |
| const BIGNUM *g; |
| const BIGNUM *N; |
| } SRP_gN; |
| |
| DEFINE_STACK_OF(SRP_gN) |
| |
| SRP_VBASE *SRP_VBASE_new(char *seed_key); |
| void SRP_VBASE_free(SRP_VBASE *vb); |
| int SRP_VBASE_init(SRP_VBASE *vb, char *verifier_file); |
| |
| /* This method ignores the configured seed and fails for an unknown user. */ |
| DEPRECATEDIN_1_1_0(SRP_user_pwd *SRP_VBASE_get_by_user(SRP_VBASE *vb, char *username)) |
| /* NOTE: unlike in SRP_VBASE_get_by_user, caller owns the returned pointer.*/ |
| SRP_user_pwd *SRP_VBASE_get1_by_user(SRP_VBASE *vb, char *username); |
| |
| char *SRP_create_verifier(const char *user, const char *pass, char **salt, |
| char **verifier, const char *N, const char *g); |
| int SRP_create_verifier_BN(const char *user, const char *pass, BIGNUM **salt, |
| BIGNUM **verifier, const BIGNUM *N, |
| const BIGNUM *g); |
| |
| # define SRP_NO_ERROR 0 |
| # define SRP_ERR_VBASE_INCOMPLETE_FILE 1 |
| # define SRP_ERR_VBASE_BN_LIB 2 |
| # define SRP_ERR_OPEN_FILE 3 |
| # define SRP_ERR_MEMORY 4 |
| |
| # define DB_srptype 0 |
| # define DB_srpverifier 1 |
| # define DB_srpsalt 2 |
| # define DB_srpid 3 |
| # define DB_srpgN 4 |
| # define DB_srpinfo 5 |
| # undef DB_NUMBER |
| # define DB_NUMBER 6 |
| |
| # define DB_SRP_INDEX 'I' |
| # define DB_SRP_VALID 'V' |
| # define DB_SRP_REVOKED 'R' |
| # define DB_SRP_MODIF 'v' |
| |
| /* see srp.c */ |
| char *SRP_check_known_gN_param(const BIGNUM *g, const BIGNUM *N); |
| SRP_gN *SRP_get_default_gN(const char *id); |
| |
| /* server side .... */ |
| BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u, |
| const BIGNUM *b, const BIGNUM *N); |
| BIGNUM *SRP_Calc_B(const BIGNUM *b, const BIGNUM *N, const BIGNUM *g, |
| const BIGNUM *v); |
| int SRP_Verify_A_mod_N(const BIGNUM *A, const BIGNUM *N); |
| BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N); |
| |
| /* client side .... */ |
| BIGNUM *SRP_Calc_x(const BIGNUM *s, const char *user, const char *pass); |
| BIGNUM *SRP_Calc_A(const BIGNUM *a, const BIGNUM *N, const BIGNUM *g); |
| BIGNUM *SRP_Calc_client_key(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g, |
| const BIGNUM *x, const BIGNUM *a, const BIGNUM *u); |
| int SRP_Verify_B_mod_N(const BIGNUM *B, const BIGNUM *N); |
| |
| # define SRP_MINIMAL_N 1024 |
| |
| # ifdef __cplusplus |
| } |
| # endif |
| # endif |
| |
| #endif |