91e9e464fe
Co-authored-by: Marius A. Aardal <marius.andre.aardal@gmail.com> Co-authored-by: Gora Adj <gora.adj@tii.ae> Co-authored-by: Diego F. Aranha <dfaranha@cs.au.dk> Co-authored-by: Andrea Basso <sqisign@andreabasso.com> Co-authored-by: Isaac Andrés Canales Martínez <icanalesm0500@gmail.com> Co-authored-by: Jorge Chávez-Saab <jorgechavezsaab@gmail.com> Co-authored-by: Maria Corte-Real Santos <mariascrsantos98@gmail.com> Co-authored-by: Luca De Feo <github@defeo.lu> Co-authored-by: Max Duparc <max.duparc@epfl.ch> Co-authored-by: Jonathan Komada Eriksen <jonathan.eriksen97@gmail.com> Co-authored-by: Décio Luiz Gazzoni Filho <decio@decpp.net> Co-authored-by: Basil Hess <bhe@zurich.ibm.com> Co-authored-by: Antonin Leroux <antonin.leroux@polytechnique.org> Co-authored-by: Patrick Longa <plonga@microsoft.com> Co-authored-by: Luciano Maino <mainoluciano.96@gmail.com> Co-authored-by: Michael Meyer <michael@random-oracles.org> Co-authored-by: Hiroshi Onuki <onuki@mist.i.u-tokyo.ac.jp> Co-authored-by: Lorenz Panny <lorenz@yx7.cc> Co-authored-by: Giacomo Pope <giacomopope@gmail.com> Co-authored-by: Krijn Reijnders <reijnderskrijn@gmail.com> Co-authored-by: Damien Robert <damien.robert@inria.fr> Co-authored-by: Francisco Rodríguez-Henriquez <francisco.rodriguez@tii.ae> Co-authored-by: Sina Schaeffler <sschaeffle@student.ethz.ch> Co-authored-by: Benjamin Wesolowski <benjamin.wesolowski@ens-lyon.fr>
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
// SPDX-License-Identifier: Apache-2.0
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#ifndef SQISIGN_H
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#define SQISIGN_H
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#include <stdint.h>
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#include <sqisign_namespace.h>
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#if defined(ENABLE_SIGN)
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/**
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* SQIsign keypair generation.
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*
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* The implementation corresponds to SQIsign.CompactKeyGen() in the SQIsign spec.
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* The caller is responsible to allocate sufficient memory to hold pk and sk.
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*
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* @param[out] pk SQIsign public key
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* @param[out] sk SQIsign secret key
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* @return int status code
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*/
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SQISIGN_API
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int sqisign_keypair(unsigned char *pk, unsigned char *sk);
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/**
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* SQIsign signature generation.
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*
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* The implementation performs SQIsign.expandSK() + SQIsign.sign() in the SQIsign spec.
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* Keys provided is a compacted secret keys.
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* The caller is responsible to allocate sufficient memory to hold sm.
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*
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* @param[out] sm Signature concatenated with message
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* @param[out] smlen Pointer to the length of sm
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* @param[in] m Message to be signed
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* @param[in] mlen Message length
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* @param[in] sk Compacted secret key
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* @return int status code
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*/
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SQISIGN_API
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int sqisign_sign(unsigned char *sm,
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unsigned long long *smlen,
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const unsigned char *m,
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unsigned long long mlen,
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const unsigned char *sk);
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#endif
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/**
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* SQIsign open signature.
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*
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* The implementation performs SQIsign.verify(). If the signature verification succeeded, the
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* original message is stored in m. Keys provided is a compact public key. The caller is responsible
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* to allocate sufficient memory to hold m.
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*
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* @param[out] m Message stored if verification succeeds
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* @param[out] mlen Pointer to the length of m
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* @param[in] sm Signature concatenated with message
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* @param[in] smlen Length of sm
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* @param[in] pk Compacted public key
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* @return int status code
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*/
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SQISIGN_API
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int sqisign_open(unsigned char *m,
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unsigned long long *mlen,
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const unsigned char *sm,
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unsigned long long smlen,
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const unsigned char *pk);
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/**
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* SQIsign verify signature.
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*
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* If the signature verification succeeded, returns 0, otherwise 1.
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*
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* @param[out] m Message stored if verification succeeds
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* @param[out] mlen Pointer to the length of m
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* @param[in] sig Signature
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* @param[in] siglen Length of sig
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* @param[in] pk Compacted public key
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* @return int 0 if verification succeeded, 1 otherwise.
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*/
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SQISIGN_API
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int sqisign_verify(const unsigned char *m,
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unsigned long long mlen,
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const unsigned char *sig,
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unsigned long long siglen,
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const unsigned char *pk);
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#endif
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