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#ifndef PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_API_H
#define PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_API_H
#include <stddef.h>
#include <stdint.h>
#define PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_CRYPTO_ALGNAME "SPHINCS+"
#define PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_CRYPTO_SECRETKEYBYTES 128
#define PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_CRYPTO_PUBLICKEYBYTES 64
#define PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_CRYPTO_BYTES 49856
#define PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_CRYPTO_SEEDBYTES 96
/*
* Returns the length of a secret key, in bytes
*/
size_t PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_secretkeybytes(void);
/*
* Returns the length of a public key, in bytes
*/
size_t PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_publickeybytes(void);
/*
* Returns the length of a signature, in bytes
*/
size_t PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_bytes(void);
/*
* Returns the length of the seed required to generate a key pair, in bytes
*/
size_t PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_seedbytes(void);
/*
* Generates a SPHINCS+ key pair given a seed.
* Format sk: [SK_SEED || SK_PRF || PUB_SEED || root]
* Format pk: [root || PUB_SEED]
*/
int PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_seed_keypair(
uint8_t *pk, uint8_t *sk, const uint8_t *seed);
/*
* Generates a SPHINCS+ key pair.
* Format sk: [SK_SEED || SK_PRF || PUB_SEED || root]
* Format pk: [root || PUB_SEED]
*/
int PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_keypair(
uint8_t *pk, uint8_t *sk);
/**
* Returns an array containing a detached signature.
*/
int PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_signature(
uint8_t *sig, size_t *siglen,
const uint8_t *m, size_t mlen, const uint8_t *sk);
/**
* Verifies a detached signature and message under a given public key.
*/
int PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_verify(
const uint8_t *sig, size_t siglen,
const uint8_t *m, size_t mlen, const uint8_t *pk);
/**
* Returns an array containing the signature followed by the message.
*/
int PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign(
uint8_t *sm, size_t *smlen,
const uint8_t *m, size_t mlen, const uint8_t *sk);
/**
* Verifies a given signature-message pair under a given public key.
*/
int PQCLEAN_SPHINCSSHAKE256256FSIMPLE_CLEAN_crypto_sign_open(
uint8_t *m, size_t *mlen,
const uint8_t *sm, size_t smlen, const uint8_t *pk);
#endif
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