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tinyaes/include/tinyaes/ctr.h
Brandon Lehmann cc49624c7a initial commit
2026-02-24 18:11:26 -05:00

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2.2 KiB
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// Copyright (c) 2025-2026, Brandon Lehmann
//
// 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.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// 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 HOLDER 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.
#pragma once
#include "tinyaes/common.h"
#ifdef __cplusplus
extern "C"
{
#endif
// CTR encrypt/decrypt (symmetric operation)
TINYAES_EXPORT int tinyaes_ctr_crypt(
const uint8_t *key,
size_t key_len,
const uint8_t iv[16],
const uint8_t *input,
size_t input_len,
uint8_t *output,
size_t output_len);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
#include <vector>
namespace tinyaes
{
// CTR mode: encrypt and decrypt are the same operation
Result ctr_crypt(
const std::vector<uint8_t> &key,
const std::vector<uint8_t> &iv,
const std::vector<uint8_t> &input,
std::vector<uint8_t> &output);
} // namespace tinyaes
#endif