1 /* Copyright (c) 2023, Google LLC 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #ifndef OPENSSL_HEADER_CRYPTO_SPX_WOTS_H 16 #define OPENSSL_HEADER_CRYPTO_SPX_WOTS_H 17 18 #include <openssl/base.h> 19 20 #include "./params.h" 21 22 #if defined(__cplusplus) 23 extern "C" { 24 #endif 25 26 27 // Algorithm 5: Generate a WOTS+ public key. 28 void spx_wots_pk_gen(uint8_t *pk, const uint8_t sk_seed[SPX_N], 29 const uint8_t pub_seed[SPX_N], uint8_t addr[32]); 30 31 // Algorithm 6: Generate a WOTS+ signature on an n-byte message. 32 void spx_wots_sign(uint8_t *sig, const uint8_t msg[SPX_N], 33 const uint8_t sk_seed[SPX_N], const uint8_t pub_seed[SPX_N], 34 uint8_t addr[32]); 35 36 // Algorithm 7: Compute a WOTS+ public key from a message and its signature. 37 void spx_wots_pk_from_sig(uint8_t *pk, const uint8_t *sig, const uint8_t *msg, 38 const uint8_t pub_seed[SPX_N], uint8_t addr[32]); 39 40 41 #if defined(__cplusplus) 42 } // extern C 43 #endif 44 45 #endif // OPENSSL_HEADER_CRYPTO_SPX_WOTS_H 46