1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (c) 2011 The Chromium OS Authors.
4  * (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com>
5  */
6 
7 #ifndef _CRYPTO_H_
8 #define _CRYPTO_H_
9 
10 /**
11  * Sign a block of data
12  *
13  * \param source	Source data
14  * \param length	Size of source data
15  * \param signature	Destination address for signature, AES_KEY_LENGTH bytes
16  */
17 int sign_data_block(u8 *source, unsigned length, u8 *signature);
18 
19 #endif /* #ifndef _CRYPTO_H_ */
20