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39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
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#ifndef SPX_WOTS_H
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#define SPX_WOTS_H
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#include "params.h"
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#include <stdint.h>
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/**
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* WOTS key generation. Takes a 32 byte seed for the private key, expands it to
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* a full WOTS private key and computes the corresponding public key.
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* It requires the seed pub_seed (used to generate bitmasks and hash keys)
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* and the address of this WOTS key pair.
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*
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* Writes the computed public key to 'pk'.
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*/
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void PQCLEAN_SPHINCSHARAKA256FROBUST_CLEAN_wots_gen_pk(
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unsigned char *pk, const unsigned char *sk_seed,
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const unsigned char *pub_seed, uint32_t addr[8]);
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/**
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* Takes a n-byte message and the 32-byte seed for the private key to compute a
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* signature that is placed at 'sig'.
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*/
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void PQCLEAN_SPHINCSHARAKA256FROBUST_CLEAN_wots_sign(
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unsigned char *sig, const unsigned char *msg,
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const unsigned char *sk_seed, const unsigned char *pub_seed,
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uint32_t addr[8]);
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/**
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* Takes a WOTS signature and an n-byte message, computes a WOTS public key.
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*
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* Writes the computed public key to 'pk'.
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*/
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void PQCLEAN_SPHINCSHARAKA256FROBUST_CLEAN_wots_pk_from_sig(
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unsigned char *pk,
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const unsigned char *sig, const unsigned char *msg,
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const unsigned char *pub_seed, uint32_t addr[8]);
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#endif
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