1 /*
2  * Copyright (c) 2011 The Chromium OS Authors.
3  * (C) Copyright 2010 - 2011 NVIDIA Corporation <www.nvidia.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef _CRYPTO_H_
9 #define _CRYPTO_H_
10 
11 /**
12  * Sign a block of data
13  *
14  * \param source	Source data
15  * \param length	Size of source data
16  * \param signature	Destination address for signature, AES_KEY_LENGTH bytes
17  */
18 int sign_data_block(u8 *source, unsigned length, u8 *signature);
19 
20 #endif /* #ifndef _CRYPTO_H_ */
21