47 рядки
1.9 KiB
C
47 рядки
1.9 KiB
C
#ifndef XMSS_CORE_H
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#define XMSS_CORE_H
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#include "params.h"
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/**
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* Generates a XMSS key pair for a given parameter set.
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* Format sk: [(32bit) idx || SK_SEED || SK_PRF || PUB_SEED || root]
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* Format pk: [root || PUB_SEED] omitting algo oid.
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*/
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int xmss_core_keypair(const xmss_params *params, unsigned char *pk, unsigned char *sk);
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/**
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* Signs a message.
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* Returns
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* 1. an array containing the signature followed by the message AND
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* 2. an updated secret key!
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*
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*/
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int xmss_core_sign(const xmss_params *params, unsigned char *sk, unsigned char *sig_msg, unsigned long long *sig_msg_len, const unsigned char *msg, unsigned long long msglen);
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/**
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* Verifies a given message signature pair under a given public key.
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*
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* 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).
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*/
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int xmss_core_sign_open(const xmss_params *params, unsigned char *msg, unsigned long long *msglen, const unsigned char *sig_msg, unsigned long long sig_msg_len, const unsigned char *pk);
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/*
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* Generates a XMSSMT key pair for a given parameter set.
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* Format sk: [(ceil(h/8) bit) idx || SK_SEED || SK_PRF || PUB_SEED || root]
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* Format pk: [root || PUB_SEED] omitting algo oid.
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*/
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int xmssmt_core_keypair(const xmss_params *params, unsigned char *pk, unsigned char *sk);
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/**
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* Signs a message.
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* Returns
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* 1. an array containing the signature followed by the message AND
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* 2. an updated secret key!
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*
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*/
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int xmssmt_core_sign(const xmss_params *params, unsigned char *sk, unsigned char *sig_msg, unsigned long long *sig_msg_len, const unsigned char *msg, unsigned long long msglen);
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/**
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* Verifies a given message signature pair under a given public key.
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*/
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int xmssmt_core_sign_open(const xmss_params *params, unsigned char *msg, unsigned long long *msglen, const unsigned char *sig_msg, unsigned long long sig_msg_len, const unsigned char *pk);
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#endif
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