59 行
2.1 KiB
C
59 行
2.1 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) index || SK_SEED || SK_PRF || PUB_SEED || root]
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* Format pk: [root || PUB_SEED], omitting algorithm OID.
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*/
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int xmss_core_keypair(const xmss_params *params,
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unsigned char *pk, unsigned char *sk);
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/**
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* Signs a message. Returns an array containing the signature followed by the
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* message and an updated secret key.
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*/
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int xmss_core_sign(const xmss_params *params,
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unsigned char *sk,
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unsigned char *sm, unsigned long long *smlen,
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const unsigned char *m, unsigned long long mlen);
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/**
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* Verifies a given message signature pair under a given public key.
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* Note that this assumes a pk without an OID, i.e. [root || PUB_SEED]
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*/
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int xmss_core_sign_open(const xmss_params *params,
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unsigned char *m, unsigned long long *mlen,
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const unsigned char *sm, unsigned long long smlen,
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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) index || SK_SEED || SK_PRF || PUB_SEED]
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* Format pk: [root || PUB_SEED] omitting algorithm OID.
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*/
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int xmssmt_core_keypair(const xmss_params *params,
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unsigned char *pk, unsigned char *sk);
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/**
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* Signs a message. Returns an array containing the signature followed by the
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* message and an updated secret key.
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*/
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int xmssmt_core_sign(const xmss_params *params,
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unsigned char *sk,
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unsigned char *sm, unsigned long long *smlen,
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const unsigned char *m, unsigned long long mlen);
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/**
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* Verifies a given message signature pair under a given public key.
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* Note that this assumes a pk without an OID, i.e. [root || PUB_SEED]
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*/
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int xmssmt_core_sign_open(const xmss_params *params,
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unsigned char *m, unsigned long long *mlen,
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const unsigned char *sm, unsigned long long smlen,
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const unsigned char *pk);
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#endif
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