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