74efb10807
* Names passed around (mostly constant) value more clearly * Put ``const`` where applicable (almost everywhere) * Renamed ``primitive.h`` * Fixed some nits
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
#ifndef SPX_WOTS_H
|
|
#define SPX_WOTS_H
|
|
|
|
#include "params.h"
|
|
#include "hash_state.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_SPHINCSSHAKE256256FSIMPLE_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_SPHINCSSHAKE256256FSIMPLE_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_SPHINCSSHAKE256256FSIMPLE_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
|