/* $OpenBSD: sshkey-xmss.h,v 1.1 2018/02/23 15:58:38 markus Exp $ */
/*
* Copyright (c) 2017 Markus Friedl. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
*/
#ifndef SSHKEY_XMSS_H
#define SSHKEY_XMSS_H
#define XMSS_SHA2_256_W16_H10_NAME "XMSS_SHA2-256_W16_H10"
#define XMSS_SHA2_256_W16_H16_NAME "XMSS_SHA2-256_W16_H16"
#define XMSS_SHA2_256_W16_H20_NAME "XMSS_SHA2-256_W16_H20"
#define XMSS_DEFAULT_NAME XMSS_SHA2_256_W16_H10_NAME
size_t sshkey_xmss_pklen(const struct sshkey *);
size_t sshkey_xmss_sklen(const struct sshkey *);
int sshkey_xmss_init(struct sshkey *, const char *);
void sshkey_xmss_free_state(struct sshkey *);
int sshkey_xmss_generate_private_key(struct sshkey *, u_int);
int sshkey_xmss_serialize_state(const struct sshkey *, struct sshbuf *);
int sshkey_xmss_serialize_state_opt(const struct sshkey *, struct sshbuf *,
enum sshkey_serialize_rep);
int sshkey_xmss_serialize_pk_info(const struct sshkey *, struct sshbuf *,
enum sshkey_serialize_rep);
int sshkey_xmss_deserialize_state(struct sshkey *, struct sshbuf *);
int sshkey_xmss_deserialize_state_opt(struct sshkey *, struct sshbuf *);
int sshkey_xmss_deserialize_pk_info(struct sshkey *, struct sshbuf *);
int sshkey_xmss_siglen(const struct sshkey *, size_t *);
void *sshkey_xmss_params(const struct sshkey *);
void *sshkey_xmss_bds_state(const struct sshkey *);
int sshkey_xmss_get_state(const struct sshkey *, sshkey_printfn *);
int sshkey_xmss_enable_maxsign(struct sshkey *, u_int32_t);
int sshkey_xmss_forward_state(const struct sshkey *, u_int32_t);
int sshkey_xmss_update_state(const struct sshkey *, sshkey_printfn *);
u_int32_t sshkey_xmss_signatures_left(const struct sshkey *);
#endif /* SSHKEY_XMSS_H */
