mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-24 19:02:06 +00:00
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
#ifdef WITH_XMSS
|
|
/* $OpenBSD: xmss_wots.h,v 1.3 2018/02/26 12:14:53 dtucker Exp $ */
|
|
/*
|
|
wots.h version 20160722
|
|
Andreas Hülsing
|
|
Joost Rijneveld
|
|
Public domain.
|
|
*/
|
|
|
|
#ifndef WOTS_H
|
|
#define WOTS_H
|
|
|
|
#ifdef HAVE_STDINT_H
|
|
#include "stdint.h"
|
|
#endif
|
|
|
|
/**
|
|
* WOTS parameter set
|
|
*
|
|
* Meaning as defined in draft-irtf-cfrg-xmss-hash-based-signatures-02
|
|
*/
|
|
typedef struct {
|
|
uint32_t len_1;
|
|
uint32_t len_2;
|
|
uint32_t len;
|
|
uint32_t n;
|
|
uint32_t w;
|
|
uint32_t log_w;
|
|
uint32_t keysize;
|
|
} wots_params;
|
|
|
|
/**
|
|
* Set the WOTS parameters,
|
|
* only m, n, w are required as inputs,
|
|
* len, len_1, and len_2 are computed from those.
|
|
*
|
|
* Assumes w is a power of 2
|
|
*/
|
|
void wots_set_params(wots_params *params, int n, int w);
|
|
|
|
/**
|
|
* 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
|
|
*
|
|
* params, must have been initialized before using wots_set params for params ! This is not done in this function
|
|
*
|
|
* Places the computed public key at address pk.
|
|
*/
|
|
void wots_pkgen(unsigned char *pk, const unsigned char *sk, const wots_params *params, 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".
|
|
*
|
|
*/
|
|
int wots_sign(unsigned char *sig, const unsigned char *msg, const unsigned char *sk, const wots_params *params, 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.
|
|
*
|
|
*/
|
|
int wots_pkFromSig(unsigned char *pk, const unsigned char *sig, const unsigned char *msg, const wots_params *params, const unsigned char *pub_seed, uint32_t addr[8]);
|
|
|
|
#endif
|
|
#endif /* WITH_XMSS */
|