diff options
Diffstat (limited to 'openssl/crypto/srp/srp.h')
| -rw-r--r-- | openssl/crypto/srp/srp.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/openssl/crypto/srp/srp.h b/openssl/crypto/srp/srp.h new file mode 100644 index 000000000..7ec7825ca --- /dev/null +++ b/openssl/crypto/srp/srp.h @@ -0,0 +1,172 @@ +/* crypto/srp/srp.h */ +/* Written by Christophe Renou (christophe.renou@edelweb.fr) with + * the precious help of Peter Sylvester (peter.sylvester@edelweb.fr) + * for the EdelKey project and contributed to the OpenSSL project 2004. + */ +/* ==================================================================== + * Copyright (c) 2004 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ +#ifndef __SRP_H__ +#define __SRP_H__ + +#ifndef OPENSSL_NO_SRP + +#include <stdio.h> +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#include <openssl/safestack.h> +#include <openssl/bn.h> +#include <openssl/crypto.h> + +typedef struct SRP_gN_cache_st + { + char *b64_bn; + BIGNUM *bn; + } SRP_gN_cache; + + +DECLARE_STACK_OF(SRP_gN_cache) + +typedef struct SRP_user_pwd_st + { + char *id; + BIGNUM *s; + BIGNUM *v; + const BIGNUM *g; + const BIGNUM *N; + char *info; + } SRP_user_pwd; + +DECLARE_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; + BIGNUM *default_g; + BIGNUM *default_N; + } SRP_VBASE; + + +/*Structure interne pour retenir les couples N et g*/ +typedef struct SRP_gN_st + { + char *id; + BIGNUM *g; + BIGNUM *N; + } SRP_gN; + +DECLARE_STACK_OF(SRP_gN) + +SRP_VBASE *SRP_VBASE_new(char *seed_key); +int SRP_VBASE_free(SRP_VBASE *vb); +int SRP_VBASE_init(SRP_VBASE *vb, char * verifier_file); +SRP_user_pwd *SRP_VBASE_get_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, BIGNUM *N, 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(BIGNUM* g, BIGNUM* N); +SRP_gN *SRP_get_default_gN(const char * id) ; + +/* server side .... */ +BIGNUM *SRP_Calc_server_key(BIGNUM *A, BIGNUM *v, BIGNUM *u, BIGNUM *b, BIGNUM *N); +BIGNUM *SRP_Calc_B(BIGNUM *b, BIGNUM *N, BIGNUM *g, BIGNUM *v); +int SRP_Verify_A_mod_N(BIGNUM *A, BIGNUM *N); +BIGNUM *SRP_Calc_u(BIGNUM *A, BIGNUM *B, BIGNUM *N) ; + + + +/* client side .... */ +BIGNUM *SRP_Calc_x(BIGNUM *s, const char *user, const char *pass); +BIGNUM *SRP_Calc_A(BIGNUM *a, BIGNUM *N, BIGNUM *g); +BIGNUM *SRP_Calc_client_key(BIGNUM *N, BIGNUM *B, BIGNUM *g, BIGNUM *x, BIGNUM *a, BIGNUM *u); +int SRP_Verify_B_mod_N(BIGNUM *B, BIGNUM *N); + +#define SRP_MINIMAL_N 1024 + +#ifdef __cplusplus +} +#endif + +#endif +#endif |