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Annotation of src/usr.bin/ssh/schnorr.h, Revision 1.1

1.1     ! djm         1: /* $OpenBSD$ */
        !             2: /*
        !             3:  * Copyright (c) 2009 Damien Miller.  All rights reserved.
        !             4:  *
        !             5:  * Permission to use, copy, modify, and distribute this software for any
        !             6:  * purpose with or without fee is hereby granted, provided that the above
        !             7:  * copyright notice and this permission notice appear in all copies.
        !             8:  *
        !             9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !            10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            16:  */
        !            17:
        !            18: #ifndef SCHNORR_H
        !            19: #define SCHNORR_H
        !            20:
        !            21: #include <sys/types.h>
        !            22:
        !            23: #include <openssl/bn.h>
        !            24:
        !            25: struct modp_group {
        !            26:        BIGNUM *p, *q, *g;
        !            27: };
        !            28:
        !            29: BIGNUM *bn_rand_range_gt_one(const BIGNUM *high);
        !            30: int hash_buffer(const u_char *, u_int, const EVP_MD *, u_char **, u_int *);
        !            31: void debug3_bn(const BIGNUM *, const char *, ...)
        !            32:     __attribute__((__nonnull__ (2)))
        !            33:     __attribute__((format(printf, 2, 3)));
        !            34: void debug3_buf(const u_char *, u_int, const char *, ...)
        !            35:     __attribute__((__nonnull__ (3)))
        !            36:     __attribute__((format(printf, 3, 4)));
        !            37: struct modp_group *modp_group_from_g_and_safe_p(const char *, const char *);
        !            38: void modp_group_free(struct modp_group *);
        !            39:
        !            40: /* Signature and verification functions */
        !            41: int
        !            42: schnorr_sign(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
        !            43:     const EVP_MD *evp_md, const BIGNUM *x, const BIGNUM *g_x,
        !            44:     const u_char *id, u_int idlen, BIGNUM **r_p, BIGNUM **e_p);
        !            45: int
        !            46: schnorr_sign_buf(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
        !            47:     const BIGNUM *x, const BIGNUM *g_x, const u_char *id, u_int idlen,
        !            48:     u_char **sig, u_int *siglen);
        !            49: int
        !            50: schnorr_verify(const BIGNUM *grp_p, const BIGNUM *grp_q, const BIGNUM *grp_g,
        !            51:     const EVP_MD *evp_md, const BIGNUM *g_x, const u_char *id, u_int idlen,
        !            52:     const BIGNUM *r, const BIGNUM *e);
        !            53: int
        !            54: schnorr_verify_buf(const BIGNUM *grp_p, const BIGNUM *grp_q,
        !            55:     const BIGNUM *grp_g,
        !            56:     const BIGNUM *g_x, const u_char *id, u_int idlen,
        !            57:     const u_char *sig, u_int siglen);
        !            58:
        !            59: #endif /* JPAKE_H */
        !            60: