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/*-
* Copyright (c) 2017-2024 Ribose Inc.
* 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 HOLDERS 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 RNP_RSA_H_
#define RNP_RSA_H_
#include <rnp/rnp_def.h>
#include <repgp/repgp_def.h>
#include "crypto/rng.h"
#include "crypto/mpi.hpp"
#include "mem.h"
namespace pgp {
namespace rsa {
class Signature {
public:
mpi s{};
};
class Encrypted {
public:
mpi m;
};
class Key {
public:
mpi n{};
mpi e{};
/* secret mpis */
mpi d{};
mpi p{};
mpi q{};
mpi u{};
void
clear_secret()
{
d.forget();
p.forget();
q.forget();
u.forget();
}
~Key()
{
clear_secret();
}
rnp_result_t validate(rnp::RNG &rng, bool secret) const noexcept;
rnp_result_t generate(rnp::RNG &rng, size_t numbits) noexcept;
rnp_result_t encrypt_pkcs1(rnp::RNG & rng,
Encrypted & out,
const rnp::secure_bytes &in) const noexcept;
rnp_result_t decrypt_pkcs1(rnp::RNG & rng,
rnp::secure_bytes &out,
const Encrypted & in) const noexcept;
rnp_result_t verify_pkcs1(const Signature & sig,
pgp_hash_alg_t hash_alg,
const rnp::secure_bytes &hash) const noexcept;
rnp_result_t sign_pkcs1(rnp::RNG & rng,
Signature & sig,
pgp_hash_alg_t hash_alg,
const rnp::secure_bytes &hash) const noexcept;
};
} // namespace rsa
} // namespace pgp
#endif