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/* Copyright (c) 2023, Google LLC
*
* Permission to use, copy, modify, and/or 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 OPENSSL_HEADER_CRYPTO_SPX_WOTS_H
#define OPENSSL_HEADER_CRYPTO_SPX_WOTS_H
#include <openssl/base.h>
#include "./params.h"
#if defined(__cplusplus)
extern "C" {
#endif
// Algorithm 5: Generate a WOTS+ public key.
void spx_wots_pk_gen(uint8_t *pk, const uint8_t sk_seed[SPX_N],
const uint8_t pub_seed[SPX_N], uint8_t addr[32]);
// Algorithm 6: Generate a WOTS+ signature on an n-byte message.
void spx_wots_sign(uint8_t *sig, const uint8_t msg[SPX_N],
const uint8_t sk_seed[SPX_N], const uint8_t pub_seed[SPX_N],
uint8_t addr[32]);
// Algorithm 7: Compute a WOTS+ public key from a message and its signature.
void spx_wots_pk_from_sig(uint8_t *pk, const uint8_t *sig, const uint8_t *msg,
const uint8_t pub_seed[SPX_N], uint8_t addr[32]);
#if defined(__cplusplus)
} // extern C
#endif
#endif // OPENSSL_HEADER_CRYPTO_SPX_WOTS_H
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