xmss-KAT-generator/xmss.h
2017-08-01 16:18:09 +02:00

45 строки
1.8 KiB
C

#ifndef XMSS_H
#define XMSS_H
#include <stdint.h>
/**
* Generates a XMSS key pair for a given parameter set.
* Format sk: [oid || (32bit) idx || SK_SEED || SK_PRF || PUB_SEED || root]
* Format pk: [oid || root || PUB_SEED]
*/
int xmss_keypair(unsigned char *pk, unsigned char *sk, const uint32_t oid);
/**
* Signs a message.
* Returns
* 1. an array containing the signature followed by the message AND
* 2. an updated secret key!
*/
int xmss_sign(unsigned char *sk, unsigned char *sig_msg, unsigned long long *sig_msg_len, const unsigned char *msg, unsigned long long msglen);
/**
* Verifies a given message signature pair under a given public key.
*
* Note: msg and msglen are pure outputs which carry the message in case verification succeeds. The (input) message is assumed to be within sig_msg which has the form (sig||msg).
*/
int xmss_sign_open(unsigned char *msg, unsigned long long *msglen, const unsigned char *sig_msg, unsigned long long sig_msg_len, const unsigned char *pk);
/*
* Generates a XMSSMT key pair for a given parameter set.
* Format sk: [oid || (ceil(h/8) bit) idx || SK_SEED || SK_PRF || PUB_SEED || root]
* Format pk: [oid || root || PUB_SEED]
*/
int xmssmt_keypair(unsigned char *pk, unsigned char *sk, const uint32_t oid);
/**
* Signs a message.
* Returns
* 1. an array containing the signature followed by the message AND
* 2. an updated secret key!
*/
int xmssmt_sign(unsigned char *sk, unsigned char *sig_msg, unsigned long long *sig_msg_len, const unsigned char *msg, unsigned long long msglen);
/**
* Verifies a given message signature pair under a given public key.
*/
int xmssmt_sign_open(unsigned char *msg, unsigned long long *msglen, const unsigned char *sig_msg, unsigned long long sig_msg_len, const unsigned char *pk);
#endif