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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_
#define TEGRA_AES_SLOT_SBK 0
/**
* sign_data_block - Sign a block of data
*
* @source Source data
* @length Size of source data in bytes
* @signature Destination address for signature, AES_KEY_LENGTH bytes
* Return: 0 on success, negative value on failure
*/
int sign_data_block(u8 *source, unsigned int length, u8 *signature);
/**
* encrypt_data_block - Encrypt a block of data
*
* @source Source data
* @dest Destination data
* @length Size of source data in bytes
* Return: 0 on success, negative value on failure
*/
int encrypt_data_block(u8 *source, u8 *dest, unsigned int length);
/**
* decrypt_data_block - Decrypt a block of data
*
* @source Source data
* @dest Destination data
* @length Size of source data in bytes
* Return: 0 on success, negative value on failure
*/
int decrypt_data_block(u8 *source, u8 *dest, unsigned int length);
#endif /* #ifndef _CRYPTO_H_ */
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