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/*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DILITHIUM_H_
#define DILITHIUM_H_
#include "config.h"
#include <rnp/rnp_def.h>
#include <vector>
#include <repgp/repgp_def.h>
#include "crypto/rng.h"
#include <botan/dilithium.h>
#include <botan/pubkey.h>
enum dilithium_parameter_e { dilithium_L3, dilithium_L5 };
class pgp_dilithium_private_key_t {
public:
pgp_dilithium_private_key_t(const uint8_t * key_encoded,
size_t key_encoded_len,
dilithium_parameter_e param);
pgp_dilithium_private_key_t(std::vector<uint8_t> const &key_encoded,
dilithium_parameter_e param);
pgp_dilithium_private_key_t() = default;
bool is_valid(rnp::RNG *rng) const;
dilithium_parameter_e
param() const
{
return dilithium_param_;
}
std::vector<uint8_t> sign(rnp::RNG *rng, const uint8_t *msg, size_t msg_len) const;
std::vector<uint8_t>
get_encoded() const
{
return Botan::unlock(key_encoded_);
};
private:
Botan::Dilithium_PrivateKey botan_key() const;
Botan::secure_vector<uint8_t> key_encoded_;
dilithium_parameter_e dilithium_param_;
bool is_initialized_ = false;
};
class pgp_dilithium_public_key_t {
public:
pgp_dilithium_public_key_t(const uint8_t * key_encoded,
size_t key_encoded_len,
dilithium_parameter_e mode);
pgp_dilithium_public_key_t(std::vector<uint8_t> const &key_encoded,
dilithium_parameter_e mode);
pgp_dilithium_public_key_t() = default;
bool
operator==(const pgp_dilithium_public_key_t &rhs) const
{
return (dilithium_param_ == rhs.dilithium_param_) &&
(key_encoded_ == rhs.key_encoded_);
}
bool verify_signature(const uint8_t *msg,
size_t msg_len,
const uint8_t *signature,
size_t signature_len) const;
bool is_valid(rnp::RNG *rng) const;
std::vector<uint8_t>
get_encoded() const
{
return key_encoded_;
};
private:
Botan::Dilithium_PublicKey botan_key() const;
std::vector<uint8_t> key_encoded_;
dilithium_parameter_e dilithium_param_;
bool is_initialized_ = false;
};
std::pair<pgp_dilithium_public_key_t, pgp_dilithium_private_key_t> dilithium_generate_keypair(
rnp::RNG *rng, dilithium_parameter_e dilithium_param);
bool dilithium_hash_allowed(pgp_hash_alg_t hash_alg);
pgp_hash_alg_t dilithium_default_hash_alg();
#endif