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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2015, Linaro Limited
* All rights reserved.
*/
#ifndef TEE_FS_KEY_MANAGER_H
#define TEE_FS_KEY_MANAGER_H
#include <tee_api_types.h>
#include <utee_defines.h>
#define TEE_FS_KM_CHIP_ID_LENGTH 32
#define TEE_FS_KM_HMAC_ALG TEE_ALG_HMAC_SHA256
#define TEE_FS_KM_ENC_FEK_ALG TEE_ALG_AES_ECB_NOPAD
#define TEE_FS_KM_SSK_SIZE TEE_SHA256_HASH_SIZE
#define TEE_FS_KM_TSK_SIZE TEE_SHA256_HASH_SIZE
#define TEE_FS_KM_FEK_SIZE 16 /* bytes */
TEE_Result tee_fs_generate_fek(const TEE_UUID *uuid, void *encrypted_fek,
size_t fek_size);
TEE_Result tee_fs_crypt_block(const TEE_UUID *uuid, uint8_t *out,
const uint8_t *in, size_t size,
uint16_t blk_idx, const uint8_t *encrypted_fek,
TEE_OperationMode mode);
TEE_Result tee_fs_fek_crypt(const TEE_UUID *uuid, TEE_OperationMode mode,
const uint8_t *in_key, size_t size,
uint8_t *out_key);
#endif
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