33 rader
1.2 KiB
C
33 rader
1.2 KiB
C
#ifndef XMSS_WOTS_H
|
|
#define XMSS_WOTS_H
|
|
|
|
#include <stdint.h>
|
|
#include "params.h"
|
|
|
|
/**
|
|
* WOTS key generation. Takes a 32byte seed for the secret key, expands it to a full WOTS secret key and computes the corresponding public key.
|
|
* For this it takes the seed pub_seed which is used to generate bitmasks and hash keys and the address of this WOTS key pair addr
|
|
*
|
|
* Places the computed public key at address pk.
|
|
*/
|
|
void wots_pkgen(const xmss_params *params,
|
|
unsigned char *pk, const unsigned char *sk,
|
|
const unsigned char *pub_seed, uint32_t addr[8]);
|
|
|
|
/**
|
|
* Takes a m-byte message and the 32-byte seed for the secret key to compute a signature that is placed at "sig".
|
|
*/
|
|
void wots_sign(const xmss_params *params,
|
|
unsigned char *sig, const unsigned char *msg,
|
|
const unsigned char *sk, const unsigned char *pub_seed,
|
|
uint32_t addr[8]);
|
|
|
|
/**
|
|
* Takes a WOTS signature, a m-byte message and computes a WOTS public key that it places at pk.
|
|
*/
|
|
void wots_pk_from_sig(const xmss_params *params, unsigned char *pk,
|
|
const unsigned char *sig, const unsigned char *msg,
|
|
const unsigned char *pub_seed, uint32_t addr[8]);
|
|
|
|
#endif
|