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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2011 The Chromium OS Authors.
* (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com>
*/
#ifndef _CRYPTO_H_
#define _CRYPTO_H_
/**
* Sign a block of data
*
* \param source Source data
* \param length Size of source data
* \param signature Destination address for signature, AES_KEY_LENGTH bytes
*/
int sign_data_block(u8 *source, unsigned int length, u8 *signature);
/**
* Sign an encrypted block of data
*
* \param source Source data
* \param length Size of source data
* \param signature Destination address for signature, AES_KEY_LENGTH bytes
* \param key AES128 encryption key
*/
int sign_enc_data_block(u8 *source, unsigned int length, u8 *signature, u8 *key);
/**
* Encrypt a block of data
*
* \param source Source data
* \param length Size of source data
* \param key AES128 encryption key
*/
int encrypt_data_block(u8 *source, unsigned int length, u8 *key);
/**
* Decrypt a block of data
*
* \param source Source data
* \param length Size of source data
* \param key AES128 encryption key
*/
int decrypt_data_block(u8 *source, unsigned int length, u8 *key);
#endif /* #ifndef _CRYPTO_H_ */
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