mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
Liang Yang
a856f9ff4a
PD#SWPL-130883 Problem: need to support inline partition encryption Solution: add support inline partition encryption in spi nand driver Verify: s1a Change-Id: Iadb9b9ae121939ef37a3abbd603a5eec17500739 Signed-off-by: Liang Yang <liang.yang@amlogic.com>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __AML_CRYPTO_H_
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#define __AML_CRYPTO_H_
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#define CONFIG_NAND_ENCRYPTION 1
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#define CRYPT_BLOCK_SIZE 16
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#define MAX_ENCRYPT_PARTITIONS 4
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#define IV_FACTOR_BASE_ADDR (0x800)
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struct encrypt_partition {
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u64 size;
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u64 offset;
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int shift;
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int map_len;
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u16 *map;
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struct crypto_skcipher *nand_cipher;
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struct crypto_skcipher *iv_cipher;
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unsigned char key[CRYPT_BLOCK_SIZE];
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unsigned char nand_key_hash[CRYPT_BLOCK_SIZE];
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unsigned char have_nand_key;
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unsigned char have_nand_key_hash;
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};
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void nand_decrypt_page(struct encrypt_partition *encrypt_region,
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unsigned int pagesize, unsigned char *buf, int page);
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bool nand_encrypt_page(struct encrypt_partition *encrypt_region,
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unsigned int pagesize,
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const unsigned char *buf, int page);
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struct encrypt_partition *is_need_encrypted(unsigned long addr);
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int set_region_encrypted(struct mtd_info *mtd,
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struct mtd_partition *part,
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bool need_map);
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int disable_region_encrypted(struct mtd_partition *part);
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#endif
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