1 /* $OpenBSD: sshkey-xmss.h,v 1.3 2021/04/03 06:18:41 djm Exp $ */ 2 /* 3 * Copyright (c) 2017 Markus Friedl. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 #ifndef SSHKEY_XMSS_H 26 #define SSHKEY_XMSS_H 27 28 #define XMSS_SHA2_256_W16_H10_NAME "XMSS_SHA2-256_W16_H10" 29 #define XMSS_SHA2_256_W16_H16_NAME "XMSS_SHA2-256_W16_H16" 30 #define XMSS_SHA2_256_W16_H20_NAME "XMSS_SHA2-256_W16_H20" 31 #define XMSS_DEFAULT_NAME XMSS_SHA2_256_W16_H10_NAME 32 33 size_t sshkey_xmss_pklen(const struct sshkey *); 34 size_t sshkey_xmss_sklen(const struct sshkey *); 35 int sshkey_xmss_init(struct sshkey *, const char *); 36 void sshkey_xmss_free_state(struct sshkey *); 37 int sshkey_xmss_generate_private_key(struct sshkey *, u_int); 38 int sshkey_xmss_serialize_state(const struct sshkey *, struct sshbuf *); 39 int sshkey_xmss_serialize_state_opt(const struct sshkey *, struct sshbuf *, 40 enum sshkey_serialize_rep); 41 int sshkey_xmss_serialize_pk_info(const struct sshkey *, struct sshbuf *, 42 enum sshkey_serialize_rep); 43 int sshkey_xmss_deserialize_state(struct sshkey *, struct sshbuf *); 44 int sshkey_xmss_deserialize_state_opt(struct sshkey *, struct sshbuf *); 45 int sshkey_xmss_deserialize_pk_info(struct sshkey *, struct sshbuf *); 46 47 int sshkey_xmss_siglen(const struct sshkey *, size_t *); 48 void *sshkey_xmss_params(const struct sshkey *); 49 void *sshkey_xmss_bds_state(const struct sshkey *); 50 int sshkey_xmss_get_state(const struct sshkey *, int); 51 int sshkey_xmss_enable_maxsign(struct sshkey *, u_int32_t); 52 int sshkey_xmss_forward_state(const struct sshkey *, u_int32_t); 53 int sshkey_xmss_update_state(const struct sshkey *, int); 54 u_int32_t sshkey_xmss_signatures_left(const struct sshkey *); 55 56 #endif /* SSHKEY_XMSS_H */ 57