mirror of
https://github.com/espressif/openthread.git
synced 2026-07-09 05:40:27 +00:00
Abtin Keshavarzian
96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
/*
|
|
* Copyright (c) 2016, The OpenThread Authors.
|
|
* 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.
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief
|
|
* This file defines the OpenThread crypto C APIs.
|
|
*/
|
|
|
|
#ifndef OPENTHREAD_CRYPTO_H_
|
|
#define OPENTHREAD_CRYPTO_H_
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define OT_CRYPTO_HMAC_SHA_HASH_SIZE 32 ///< Length of HMAC SHA (in bytes).
|
|
|
|
/**
|
|
* This function performs HMAC computation.
|
|
*
|
|
* @param[in] aKey A pointer to the key.
|
|
* @param[in] aKeyLength The key length in bytes.
|
|
* @param[in] aBuf A pointer to the input buffer.
|
|
* @param[in] aBufLength The length of @p aBuf in bytes.
|
|
* @param[out] aHash A pointer to the output hash buffer.
|
|
*
|
|
*/
|
|
void otCryptoHmacSha256(
|
|
const uint8_t *aKey, uint16_t aKeyLength,
|
|
const uint8_t *aBuf, uint16_t aBufLength,
|
|
uint8_t *aHash);
|
|
|
|
/**
|
|
* This method performs AES CCM computation.
|
|
*
|
|
* @param[in] aKey A pointer to the key.
|
|
* @param[in] aKeyLength Length of the key in bytes.
|
|
* @param[in] aTagLength Length of tag in bytes.
|
|
* @param[in] aNonce A pointer to the nonce.
|
|
* @param[in] aNonceLength Length of nonce in bytes.
|
|
*
|
|
* @param[in] aHeader A pointer to the header.
|
|
* @param[in] aHeaderLength Length of header in bytes.
|
|
*
|
|
* @param[inout] aPlainText A pointer to the plaintext.
|
|
* @param[inout] aCipherText A pointer to the ciphertext.
|
|
* @param[in] aLength Plaintext length in bytes.
|
|
* @param[in] aEncrypt `true` on encrypt and `false` on decrypt.
|
|
*
|
|
* @param[out] aTag A pointer to the tag.
|
|
*
|
|
*/
|
|
void otCryptoAesCcm(
|
|
const uint8_t *aKey, uint16_t aKeyLength,
|
|
uint8_t aTagLength,
|
|
const void *aNonce, uint8_t aNonceLength,
|
|
const void *aHeader, uint32_t aHeaderLength,
|
|
void *aPlainText, void *aCipherText, uint32_t aLength, bool aEncrypt,
|
|
void *aTag);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // OPENTHREAD_CRYPTO_H_
|