64 lines
2.6 KiB
C
64 lines
2.6 KiB
C
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/*
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* Copyright (c) 2019, Rockchip Technology Co., Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* usage: decrypt cipher text with AES CTS mode,
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* key is auto derived from hardware key in TEE.
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* params: cipher, input data
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* cipher_len, input data length
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* plain, output data
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* plain_len, output data length
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* return: 0 success, others fail
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*/
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int rk_decrypt_data(unsigned char *cipher, unsigned int cipher_len,
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unsigned char *plain, unsigned int *plain_len);
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/*
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* usage: encrypt plain text with AES CTS mode,
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* key is auto derived from hardware key in TEE.
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* params: plain, input data
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* plain_len, input data length
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* cipher, output data
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* cipher_len, output data length
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* return: 0 success, others fail
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*/
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int rk_encrypt_data(unsigned char *plain, unsigned int plain_len,
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unsigned char *cipher, unsigned int *cipher_len);
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/*
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* usage: read secure boot enable flag.
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* params: flag, output data
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* flag = 0 means disable, flag = 1 means enabled
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* return: 0 success, others fail
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*/
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int rk_read_secure_boot_enable_flag(uint8_t *flag);
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/*
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* usage: read vboot key hash.
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* params: buf, output data
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* length, output data length, it should be 32 or 64 bytes
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* return: 0 success, others fail
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*/
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int rk_read_vbootkey_hash(uint8_t *buf, uint32_t length);
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