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#ifndef PQCLEAN_SPHINCSSHAKE256128SSIMPLE_CLEAN_WOTS_H
#define PQCLEAN_SPHINCSSHAKE256128SSIMPLE_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_SPHINCSSHAKE256128SSIMPLE_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_SPHINCSSHAKE256128SSIMPLE_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_SPHINCSSHAKE256128SSIMPLE_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
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