51 line
1.9 KiB
C
51 line
1.9 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]);
|
|
|
|
/**
|
|
* Computes a leaf node from a WOTS public key using an L-tree.
|
|
* Note that the WOTS public key is destroyed.
|
|
*/
|
|
void l_tree(const xmss_params *params,
|
|
unsigned char *leaf, unsigned char *wots_pk,
|
|
const unsigned char *pub_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
|