81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
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#ifndef PQCLEAN_FALCON1024_AVX2_API_H
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#define PQCLEAN_FALCON1024_AVX2_API_H
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#include <stddef.h>
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#include <stdint.h>
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#define PQCLEAN_FALCON1024_AVX2_CRYPTO_SECRETKEYBYTES 2305
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#define PQCLEAN_FALCON1024_AVX2_CRYPTO_PUBLICKEYBYTES 1793
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#define PQCLEAN_FALCON1024_AVX2_CRYPTO_BYTES 1330
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#define PQCLEAN_FALCON1024_AVX2_CRYPTO_ALGNAME "Falcon-1024"
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/*
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* Generate a new key pair. Public key goes into pk[], private key in sk[].
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* Key sizes are exact (in bytes):
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* public (pk): PQCLEAN_FALCON1024_AVX2_CRYPTO_PUBLICKEYBYTES
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* private (sk): PQCLEAN_FALCON1024_AVX2_CRYPTO_SECRETKEYBYTES
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*
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* Return value: 0 on success, -1 on error.
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*/
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int PQCLEAN_FALCON1024_AVX2_crypto_sign_keypair(
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uint8_t *pk, uint8_t *sk);
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/*
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* Compute a signature on a provided message (m, mlen), with a given
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* private key (sk). Signature is written in sig[], with length written
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* into *siglen. Signature length is variable; maximum signature length
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* (in bytes) is PQCLEAN_FALCON1024_AVX2_CRYPTO_BYTES.
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*
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* sig[], m[] and sk[] may overlap each other arbitrarily.
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*
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* Return value: 0 on success, -1 on error.
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*/
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int PQCLEAN_FALCON1024_AVX2_crypto_sign_signature(
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uint8_t *sig, size_t *siglen,
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const uint8_t *m, size_t mlen, const uint8_t *sk);
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/*
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* Verify a signature (sig, siglen) on a message (m, mlen) with a given
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* public key (pk).
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*
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* sig[], m[] and pk[] may overlap each other arbitrarily.
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*
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* Return value: 0 on success, -1 on error.
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*/
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int PQCLEAN_FALCON1024_AVX2_crypto_sign_verify(
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const uint8_t *sig, size_t siglen,
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const uint8_t *m, size_t mlen, const uint8_t *pk);
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/*
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* Compute a signature on a message and pack the signature and message
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* into a single object, written into sm[]. The length of that output is
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* written in *smlen; that length may be larger than the message length
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* (mlen) by up to PQCLEAN_FALCON1024_AVX2_CRYPTO_BYTES.
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*
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* sm[] and m[] may overlap each other arbitrarily; however, sm[] shall
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* not overlap with sk[].
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*
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* Return value: 0 on success, -1 on error.
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*/
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int PQCLEAN_FALCON1024_AVX2_crypto_sign(
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uint8_t *sm, size_t *smlen,
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const uint8_t *m, size_t mlen, const uint8_t *sk);
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/*
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* Open a signed message object (sm, smlen) and verify the signature;
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* on success, the message itself is written into m[] and its length
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* into *mlen. The message is shorter than the signed message object,
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* but the size difference depends on the signature value; the difference
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* may range up to PQCLEAN_FALCON1024_AVX2_CRYPTO_BYTES.
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*
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* m[], sm[] and pk[] may overlap each other arbitrarily.
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*
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* Return value: 0 on success, -1 on error.
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*/
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int PQCLEAN_FALCON1024_AVX2_crypto_sign_open(
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uint8_t *m, size_t *mlen,
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const uint8_t *sm, size_t smlen, const uint8_t *pk);
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#endif
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