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/*-
* Copyright (c) 2017-2022 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_SM2_H_
#define RNP_SM2_H_
#include "config.h"
#include "ec.h"
typedef struct pgp_sm2_encrypted_t {
pgp_mpi_t m;
} pgp_sm2_encrypted_t;
namespace rnp {
class Hash;
} // namespace rnp
#if defined(ENABLE_SM2)
rnp_result_t sm2_validate_key(rnp::RNG *rng, const pgp_ec_key_t *key, bool secret);
/**
* Compute the SM2 "ZA" field, and add it to the hash object
*
* If ident_field is null, uses the default value
*/
rnp_result_t sm2_compute_za(const pgp_ec_key_t &key,
rnp::Hash & hash,
const char * ident_field = NULL);
rnp_result_t sm2_sign(rnp::RNG * rng,
pgp_ec_signature_t *sig,
pgp_hash_alg_t hash_alg,
const uint8_t * hash,
size_t hash_len,
const pgp_ec_key_t *key);
rnp_result_t sm2_verify(const pgp_ec_signature_t *sig,
pgp_hash_alg_t hash_alg,
const uint8_t * hash,
size_t hash_len,
const pgp_ec_key_t * key);
rnp_result_t sm2_encrypt(rnp::RNG * rng,
pgp_sm2_encrypted_t *out,
const uint8_t * in,
size_t in_len,
pgp_hash_alg_t hash_algo,
const pgp_ec_key_t * key);
rnp_result_t sm2_decrypt(uint8_t * out,
size_t * out_len,
const pgp_sm2_encrypted_t *in,
const pgp_ec_key_t * key);
#endif // defined(ENABLE_SM2)
#endif // SM2_H_
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