38 linhas
1.2 KiB
C
38 linhas
1.2 KiB
C
#ifndef XMSS_WOTS_H
|
|
#define XMSS_WOTS_H
|
|
|
|
#include <stdint.h>
|
|
#include "params.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 wots_pkgen(const xmss_params *params,
|
|
unsigned char *pk, const unsigned char *seed,
|
|
const unsigned char *pub_seed, uint32_t addr[8]);
|
|
|
|
/**
|
|
* Takes a m-byte message and the 32-byte seed for the private 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 *seed, const unsigned char *pub_seed,
|
|
uint32_t addr[8]);
|
|
|
|
/**
|
|
* Takes a WOTS signature and an m-byte message, computes a WOTS public key.
|
|
*
|
|
* Writes the computed public key to '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
|