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