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/* Copyright 2015 OpenMarket Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef UTILITY_HH_
#define UTILITY_HH_
#include "olm/error.hh"
#include <cstddef>
#include <cstdint>
namespace olm {
class Ed25519PublicKey;
struct Utility {
Utility();
ErrorCode last_error;
std::size_t sha256_length();
std::size_t sha256(
std::uint8_t const * input, std::size_t input_length,
std::uint8_t * output, std::size_t output_length
);
std::size_t ed25519_verify(
Ed25519PublicKey const & key,
std::uint8_t const * message, std::size_t message_length,
std::uint8_t const * signature, std::size_t signature_length
);
};
} // namespace olm
#endif /* UTILITY_HH_ */
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