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Revision 81a0bf97e2012c369f800f26e2e3d3651cde7a35 authored by Matthias J. Kannwischer on 29 July 2021, 07:22:18 UTC, committed by Matthias J. Kannwischer on 02 August 2021, 03:06:46 UTC
Update NTRU Prime; add new round 3 parameter sets
1 parent 819f906
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  • wots.h
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wots.h
#ifndef PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_WOTS_H
#define PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_WOTS_H

#include "hash_state.h"
#include "params.h"
#include <stdint.h>

/**
 * WOTS key generation. Takes a 32 byte seed for the private key, expands it to
 * a full WOTS private key and computes the corresponding public key.
 * It requires the seed pub_seed (used to generate bitmasks and hash keys)
 * and the address of this WOTS key pair.
 *
 * Writes the computed public key to 'pk'.
 */
void PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_wots_gen_pk(
    unsigned char *pk, const unsigned char *sk_seed,
    const unsigned char *pub_seed, uint32_t addr[8],
    const hash_state *hash_state_seeded);

/**
 * Takes a n-byte message and the 32-byte seed for the private key to compute a
 * signature that is placed at 'sig'.
 */
void PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_wots_sign(
    unsigned char *sig, const unsigned char *msg,
    const unsigned char *sk_seed, const unsigned char *pub_seed,
    uint32_t addr[8], const hash_state *hash_state_seeded);

/**
 * Takes a WOTS signature and an n-byte message, computes a WOTS public key.
 *
 * Writes the computed public key to 'pk'.
 */
void PQCLEAN_SPHINCSSHA256256SSIMPLE_AVX2_wots_pk_from_sig(
    unsigned char *pk,
    const unsigned char *sig, const unsigned char *msg,
    const unsigned char *pub_seed, uint32_t addr[8],
    const hash_state *hash_state_seeded);

#endif
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