crypto/fipsmodule/slhdsa/wots.h

// Copyright 2024 The BoringSSL Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef OPENSSL_HEADER_CRYPTO_FIPSMODULE_SLHDSA_WOTS_H
#define OPENSSL_HEADER_CRYPTO_FIPSMODULE_SLHDSA_WOTS_H

#include "./params.h"

#if defined(__cplusplus)
extern "C" {
#endif


// Implements Algorithm 6: wots_pkGen function, page 18
void slhdsa_wots_pk_gen(uint8_t pk[BCM_SLHDSA_SHA2_128S_N],
                        const uint8_t sk_seed[BCM_SLHDSA_SHA2_128S_N],
                        const uint8_t pub_seed[BCM_SLHDSA_SHA2_128S_N],
                        uint8_t addr[32]);

// Implements Algorithm 7: wots_sign function, page 20
void slhdsa_wots_sign(uint8_t sig[SLHDSA_SHA2_128S_WOTS_BYTES],
                      const uint8_t msg[BCM_SLHDSA_SHA2_128S_N],
                      const uint8_t sk_seed[BCM_SLHDSA_SHA2_128S_N],
                      const uint8_t pub_seed[BCM_SLHDSA_SHA2_128S_N],
                      uint8_t addr[32]);

// Implements Algorithm 8: wots_pkFromSig function, page 21
void slhdsa_wots_pk_from_sig(uint8_t pk[BCM_SLHDSA_SHA2_128S_N],
                             const uint8_t sig[SLHDSA_SHA2_128S_WOTS_BYTES],
                             const uint8_t msg[BCM_SLHDSA_SHA2_128S_N],
                             const uint8_t pub_seed[BCM_SLHDSA_SHA2_128S_N],
                             uint8_t addr[32]);


#if defined(__cplusplus)
}  // extern C
#endif

#endif  // OPENSSL_HEADER_CRYPTO_FIPSMODULE_SLHDSA_WOTS_H