43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* include/amlogic/amlkey_if.h
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*
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* Copyright (C) 2020 Amlogic, Inc. All rights reserved.
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*
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*/
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#ifndef __AMLKEY_IF_H__
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#define __AMLKEY_IF_H__
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#define AMLKEY_NAME_LEN_MAX (80)
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//1.init
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int32_t amlkey_init(uint8_t *seed, uint32_t len, int encrypt_type);
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//2. query if the key already programmed, exsit 1, non 0
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int32_t amlkey_isexsit(const uint8_t * name);
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//3. query attr, key must exsit before those functions were called.
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//3.1 whether the programmed key is secure, secure 1, non 0
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int32_t amlkey_issecure(const uint8_t * name);
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//3.2 whether the programmed key is encrypt, encrypt 1, non 0
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int32_t amlkey_isencrypt(const uint8_t * name);
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//4. actual bytes of key value
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ssize_t amlkey_size(const uint8_t *name);
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//5. read non-secure key in bytes, return byets readback actually.
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ssize_t amlkey_read(const uint8_t *name, uint8_t *buffer, uint32_t len) ;
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//6.write key with attribute in bytes , return byets readback actually
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//attr: bit0: secure/non-secure;
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// bit8: encrypt/non-encrypt
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#define UNIFYKEY_ATTR_SECURE_MASK (1<<0)
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#define UNIFYKEY_ATTR_ENCRYPT_MASK (1<<8)
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ssize_t amlkey_write(const uint8_t *name, uint8_t *buffer, uint32_t len, uint32_t attr);
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//7. get the hash value of programmed secure key | 32bytes length, sha256
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int32_t amlkey_hash_4_secure(const uint8_t * name, uint8_t * hash);
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#endif// #ifndef __AMLKEY_IF_H__
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