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/*
* Copyright (c) 2017, [Ribose Inc](https://www.ribose.com).
* All rights reserved.
*
* This code is originally derived from software contributed to
* The NetBSD Foundation by Alistair Crooks (agc@netbsd.org), and
* carried further by Ribose Inc (https://www.ribose.com).
*
* 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.h"
typedef struct pgp_rsa_key_t {
pgp_mpi_t n;
pgp_mpi_t e;
/* secret mpis */
pgp_mpi_t d;
pgp_mpi_t p;
pgp_mpi_t q;
pgp_mpi_t u;
} pgp_rsa_key_t;
typedef struct pgp_rsa_signature_t {
pgp_mpi_t s;
} pgp_rsa_signature_t;
typedef struct pgp_rsa_encrypted_t {
pgp_mpi_t m;
} pgp_rsa_encrypted_t;
/*
* RSA encrypt/decrypt
*/
rnp_result_t rsa_validate_key(rnp::RNG *rng, const pgp_rsa_key_t *key, bool secret);
rnp_result_t rsa_generate(rnp::RNG *rng, pgp_rsa_key_t *key, size_t numbits);
rnp_result_t rsa_encrypt_pkcs1(rnp::RNG * rng,
pgp_rsa_encrypted_t *out,
const uint8_t * in,
size_t in_len,
const pgp_rsa_key_t *key);
rnp_result_t rsa_decrypt_pkcs1(rnp::RNG * rng,
uint8_t * out,
size_t * out_len,
const pgp_rsa_encrypted_t *in,
const pgp_rsa_key_t * key);
rnp_result_t rsa_verify_pkcs1(const pgp_rsa_signature_t *sig,
pgp_hash_alg_t hash_alg,
const uint8_t * hash,
size_t hash_len,
const pgp_rsa_key_t * key);
rnp_result_t rsa_sign_pkcs1(rnp::RNG * rng,
pgp_rsa_signature_t *sig,
pgp_hash_alg_t hash_alg,
const uint8_t * hash,
size_t hash_len,
const pgp_rsa_key_t *key);
#endif