#ifndef PQCLEAN_SPHINCSSHAKE256128FROBUST_CLEAN_WOTS_H #define PQCLEAN_SPHINCSSHAKE256128FROBUST_CLEAN_WOTS_H #include "hash_state.h" #include "params.h" #include <stdint.h> /** * WOTS key generation. Takes a 32 byte seed for the private key, expands it to * a full WOTS private key and computes the corresponding public key. * It requires the seed pub_seed (used to generate bitmasks and hash keys) * and the address of this WOTS key pair. * * Writes the computed public key to 'pk'. */ void PQCLEAN_SPHINCSSHAKE256128FROBUST_CLEAN_wots_gen_pk( unsigned char *pk, const unsigned char *sk_seed, const unsigned char *pub_seed, uint32_t addr[8], const hash_state *hash_state_seeded); /** * Takes a n-byte message and the 32-byte seed for the private key to compute a * signature that is placed at 'sig'. */ void PQCLEAN_SPHINCSSHAKE256128FROBUST_CLEAN_wots_sign( unsigned char *sig, const unsigned char *msg, const unsigned char *sk_seed, const unsigned char *pub_seed, uint32_t addr[8], const hash_state *hash_state_seeded); /** * Takes a WOTS signature and an n-byte message, computes a WOTS public key. * * Writes the computed public key to 'pk'. */ void PQCLEAN_SPHINCSSHAKE256128FROBUST_CLEAN_wots_pk_from_sig( unsigned char *pk, const unsigned char *sig, const unsigned char *msg, const unsigned char *pub_seed, uint32_t addr[8], const hash_state *hash_state_seeded); #endif