mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-11 12:44:40 +00:00
60ccbf2f2f
[auth2-jpake.c jpake.c jpake.h monitor_wrap.c monitor_wrap.h schnorr.c]
[sshconnect2.c]
refactor the (disabled) Schnorr proof code to make it a little more
generally useful
61 lines
2.3 KiB
C
61 lines
2.3 KiB
C
/* $OpenBSD: schnorr.h,v 1.1 2009/03/05 07:18:19 djm Exp $ */
|
|
/*
|
|
* Copyright (c) 2009 Damien Miller. All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef SCHNORR_H
|
|
#define SCHNORR_H
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <openssl/bn.h>
|
|
|
|
struct modp_group {
|
|
BIGNUM *p, *q, *g;
|
|
};
|
|
|
|
BIGNUM *bn_rand_range_gt_one(const BIGNUM *high);
|
|
int hash_buffer(const u_char *, u_int, const EVP_MD *, u_char **, u_int *);
|
|
void debug3_bn(const BIGNUM *, const char *, ...)
|
|
__attribute__((__nonnull__ (2)))
|
|
__attribute__((format(printf, 2, 3)));
|
|
void debug3_buf(const u_char *, u_int, const char *, ...)
|
|
__attribute__((__nonnull__ (3)))
|
|
__attribute__((format(printf, 3, 4)));
|
|
struct modp_group *modp_group_from_g_and_safe_p(const char *, const char *);
|
|
void modp_group_free(struct modp_group *);
|
|
|
|
/* Signature and verification functions */
|
|
int
|
|
schnorr_sign(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
|
|
const EVP_MD *evp_md, const BIGNUM *x, const BIGNUM *g_x,
|
|
const u_char *id, u_int idlen, BIGNUM **r_p, BIGNUM **e_p);
|
|
int
|
|
schnorr_sign_buf(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
|
|
const BIGNUM *x, const BIGNUM *g_x, const u_char *id, u_int idlen,
|
|
u_char **sig, u_int *siglen);
|
|
int
|
|
schnorr_verify(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
|
|
const EVP_MD *evp_md, const BIGNUM *g_x, const u_char *id, u_int idlen,
|
|
const BIGNUM *r, const BIGNUM *e);
|
|
int
|
|
schnorr_verify_buf(const BIGNUM *grp_p, const BIGNUM *grp_q,
|
|
const BIGNUM *grp_g,
|
|
const BIGNUM *g_x, const u_char *id, u_int idlen,
|
|
const u_char *sig, u_int siglen);
|
|
|
|
#endif /* JPAKE_H */
|
|
|