xmss-KAT-generator/xmss_commons.h
Joost Rijneveld 758a6349fc
Do not expose l_tree function
It's not used outside xmss_commons
2017-12-06 15:13:07 +01:00

43 rindas
1.6 KiB
C

#ifndef XMSS_COMMONS_H
#define XMSS_COMMONS_H
#include <stdint.h>
#include "params.h"
/**
* Computes the leaf at a given address. First generates the WOTS key pair,
* then computes leaf using l_tree. As this happens position independent, we
* only require that addr encodes the right ltree-address.
*/
void gen_leaf_wots(const xmss_params *params, unsigned char *leaf,
const unsigned char *sk_seed, const unsigned char *pub_seed,
uint32_t ltree_addr[8], uint32_t ots_addr[8]);
/**
* Used for pseudo-random key generation.
* Generates the seed for the WOTS key pair at address 'addr'.
*
* Takes n-byte sk_seed and returns n-byte seed using 32 byte address 'addr'.
*/
void get_seed(const xmss_params *params, unsigned char *seed,
const unsigned char *sk_seed, uint32_t addr[8]);
/**
* Verifies a given message signature pair under a given public key.
* Note that this assumes a pk without an OID, i.e. [root || PUB_SEED]
*/
int xmss_core_sign_open(const xmss_params *params,
unsigned char *m, unsigned long long *mlen,
const unsigned char *sm, unsigned long long smlen,
const unsigned char *pk);
/**
* Verifies a given message signature pair under a given public key.
* Note that this assumes a pk without an OID, i.e. [root || PUB_SEED]
*/
int xmssmt_core_sign_open(const xmss_params *params,
unsigned char *m, unsigned long long *mlen,
const unsigned char *sm, unsigned long long smlen,
const unsigned char *pk);
#endif