754 lines
32 KiB
Python
754 lines
32 KiB
Python
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# decompyle3 version 3.9.0
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# Python bytecode version base 3.7.0 (3394)
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# Decompiled from: Python 3.7.16 (default, Mar 30 2023, 01:25:49)
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# [GCC 12.2.1 20220924]
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# Embedded file name: libs/base/bl616/img_create_do.py
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import os, sys, hashlib, binascii, codecs, ecdsa
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from CryptoPlus.Cipher import AES as AES_XTS
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from libs import bflb_utils
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from libs.bflb_utils import img_create_sha256_data, img_create_encrypt_data
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from libs.bflb_configobj import BFConfigParser
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from libs.base.bl616.flash_select_do import create_flashcfg_table
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from libs.base.bl616.bootheader_cfg_keys import flashcfg_table_start_pos as flashcfg_table_start
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from libs.base.bl616.bootheader_cfg_keys import bootcpucfg_start_pos as bootcpucfg_start
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from libs.base.bl616.bootheader_cfg_keys import bootcpucfg_len as bootcpucfg_length
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from libs.base.bl616.bootheader_cfg_keys import bootcpucfg_m0_index as bootcpucfg_m0_index_number
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from libs.base.bl616.bootheader_cfg_keys import bootcpucfg_d0_index as bootcpucfg_d0_index_number
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from libs.base.bl616.bootheader_cfg_keys import bootcpucfg_lp_index as bootcpucfg_lp_index_number
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from libs.base.bl616.bootheader_cfg_keys import bootcfg_start_pos as bootcfg_start
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from libs.base.bl616.bootheader_cfg_keys import bootheader_len as header_len
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keyslot0 = 28
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keyslot1 = keyslot0 + 16
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keyslot2 = keyslot1 + 16
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keyslot3 = keyslot2 + 16
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keyslot3_end = keyslot3 + 16
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keyslot4 = 128
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keyslot5 = keyslot4 + 16
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keyslot6 = keyslot5 + 16
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keyslot7 = keyslot6 + 16
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keyslot8 = keyslot7 + 16
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keyslot9 = keyslot8 + 16
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keyslot10 = keyslot9 + 16
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keyslot10_end = keyslot10 + 16
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keyslot11 = keyslot3_end + 16
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keyslot11_end = keyslot11 + 16
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wr_lock_boot_mode = 14
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wr_lock_dbg_pwd = 15
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wr_lock_wifi_mac = 16
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wr_lock_key_slot_0 = 17
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wr_lock_key_slot_1 = 18
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wr_lock_key_slot_2 = 19
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wr_lock_key_slot_3 = 20
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wr_lock_sw_usage_0 = 21
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wr_lock_sw_usage_1 = 22
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wr_lock_sw_usage_2 = 23
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wr_lock_sw_usage_3 = 24
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wr_lock_key_slot_11 = 25
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rd_lock_dbg_pwd = 26
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rd_lock_key_slot_0 = 27
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rd_lock_key_slot_1 = 28
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rd_lock_key_slot_2 = 29
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rd_lock_key_slot_3 = 30
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rd_lock_key_slot_11 = 31
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wr_lock_key_slot_4 = 15
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wr_lock_key_slot_5 = 16
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wr_lock_key_slot_6 = 17
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wr_lock_key_slot_7 = 18
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wr_lock_key_slot_8 = 19
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wr_lock_key_slot_9 = 20
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wr_lock_key_slot_10 = 21
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rd_lock_key_slot_4 = 25
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rd_lock_key_slot_5 = 26
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rd_lock_key_slot_6 = 27
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rd_lock_key_slot_7 = 28
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rd_lock_key_slot_8 = 29
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rd_lock_key_slot_9 = 30
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rd_lock_key_slot_10 = 31
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def bytearray_data_merge(data1, data2, len):
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for i in range(len):
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data1[i] |= data2[i]
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return data1
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def img_update_efuse_group0(cfg, sign, pk_hash, flash_encryp_type, flash_key, sec_eng_key_sel, sec_eng_key, security=False):
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fp = open(cfg.get('Img_Group0_Cfg', 'efuse_file'), 'rb')
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efuse_data = bytearray(fp.read()) + bytearray(0)
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fp.close()
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fp = open(cfg.get('Img_Group0_Cfg', 'efuse_mask_file'), 'rb')
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efuse_mask_data = bytearray(fp.read()) + bytearray(0)
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fp.close()
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mask_4bytes = bytearray.fromhex('FFFFFFFF')
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if flash_encryp_type >= 3:
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efuse_data[0] |= 3
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else:
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efuse_data[0] |= flash_encryp_type
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if sign > 0:
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efuse_data[92] |= sign << 7
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efuse_mask_data[92] |= 255
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if flash_encryp_type > 0:
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efuse_data[0] |= 48
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efuse_mask_data[0] |= 255
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rw_lock0 = 0
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rw_lock1 = 0
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if pk_hash is not None:
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efuse_data[keyslot0:keyslot2] = pk_hash
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efuse_mask_data[keyslot0:keyslot2] = mask_4bytes * 8
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rw_lock0 |= 1 << wr_lock_key_slot_0
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rw_lock0 |= 1 << wr_lock_key_slot_1
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if flash_key is not None:
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if flash_encryp_type == 1:
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efuse_data[keyslot2:keyslot3] = flash_key[0:16]
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efuse_mask_data[keyslot2:keyslot3] = mask_4bytes * 4
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else:
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if flash_encryp_type == 2:
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efuse_data[keyslot2:keyslot3_end] = flash_key
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efuse_mask_data[keyslot2:keyslot3_end] = mask_4bytes * 8
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rw_lock0 |= 1 << wr_lock_key_slot_3
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rw_lock0 |= 1 << rd_lock_key_slot_3
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else:
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if flash_encryp_type == 3:
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efuse_data[keyslot2:keyslot3_end] = flash_key
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efuse_mask_data[keyslot2:keyslot3_end] = mask_4bytes * 8
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rw_lock0 |= 1 << wr_lock_key_slot_3
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rw_lock0 |= 1 << rd_lock_key_slot_3
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else:
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if flash_encryp_type == 4 or flash_encryp_type == 5 or flash_encryp_type == 6:
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efuse_data[keyslot2:keyslot3_end] = flash_key
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efuse_mask_data[keyslot2:keyslot3_end] = mask_4bytes * 8
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rw_lock0 |= 1 << wr_lock_key_slot_3
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rw_lock0 |= 1 << rd_lock_key_slot_3
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rw_lock0 |= 1 << wr_lock_key_slot_2
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rw_lock0 |= 1 << rd_lock_key_slot_2
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if sec_eng_key is not None:
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if flash_encryp_type == 0:
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if sec_eng_key_sel == 0:
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efuse_data[keyslot2:keyslot3] = sec_eng_key[16:32]
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efuse_data[keyslot3:keyslot3_end] = sec_eng_key[0:16]
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efuse_mask_data[keyslot2:keyslot3_end] = mask_4bytes * 8
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rw_lock0 |= 1 << wr_lock_key_slot_2
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rw_lock0 |= 1 << wr_lock_key_slot_3
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rw_lock0 |= 1 << rd_lock_key_slot_2
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rw_lock0 |= 1 << rd_lock_key_slot_3
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if sec_eng_key_sel == 1:
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efuse_data[keyslot3:keyslot3_end] = sec_eng_key[16:32]
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efuse_data[keyslot4:keyslot5] = sec_eng_key[0:16]
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efuse_mask_data[keyslot3:keyslot3_end] = mask_4bytes * 4
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efuse_mask_data[keyslot4:keyslot5] = mask_4bytes * 4
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rw_lock0 |= 1 << wr_lock_key_slot_3
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rw_lock1 |= 1 << wr_lock_key_slot_4
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rw_lock0 |= 1 << rd_lock_key_slot_3
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rw_lock1 |= 1 << rd_lock_key_slot_4
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if sec_eng_key_sel == 2:
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efuse_data[keyslot4:keyslot5] = sec_eng_key[16:32]
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efuse_data[keyslot2:keyslot3] = sec_eng_key[0:16]
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efuse_mask_data[keyslot3:keyslot5] = mask_4bytes * 8
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rw_lock1 |= 1 << wr_lock_key_slot_4
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rw_lock0 |= 1 << wr_lock_key_slot_2
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rw_lock1 |= 1 << rd_lock_key_slot_4
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rw_lock0 |= 1 << rd_lock_key_slot_2
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if sec_eng_key_sel == 3:
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efuse_data[keyslot4:keyslot5] = sec_eng_key[16:32]
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efuse_data[keyslot2:keyslot3] = sec_eng_key[0:16]
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efuse_mask_data[keyslot3:keyslot5] = mask_4bytes * 8
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rw_lock1 |= 1 << wr_lock_key_slot_4
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rw_lock0 |= 1 << wr_lock_key_slot_2
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rw_lock1 |= 1 << rd_lock_key_slot_4
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rw_lock0 |= 1 << rd_lock_key_slot_2
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if flash_encryp_type == 1:
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if sec_eng_key_sel == 0:
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efuse_data[keyslot5:keyslot6] = sec_eng_key[0:16]
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efuse_mask_data[keyslot5:keyslot6] = mask_4bytes * 4
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rw_lock1 |= 1 << wr_lock_key_slot_5
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rw_lock1 |= 1 << rd_lock_key_slot_5
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if sec_eng_key_sel == 1:
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efuse_data[keyslot4:keyslot5] = sec_eng_key[0:16]
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efuse_mask_data[keyslot4:keyslot5] = mask_4bytes * 4
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rw_lock1 |= 1 << wr_lock_key_slot_4
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rw_lock1 |= 1 << rd_lock_key_slot_4
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if sec_eng_key_sel == 2:
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if flash_key is not None:
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pass
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else:
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efuse_data[keyslot3:keyslot3_end] = sec_eng_key[0:16]
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efuse_mask_data[keyslot3:keyslot3_end] = mask_4bytes * 4
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rw_lock0 |= 1 << wr_lock_key_slot_3
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rw_lock0 |= 1 << rd_lock_key_slot_3
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if sec_eng_key_sel == 3:
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if flash_key is not None:
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pass
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else:
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efuse_data[keyslot2:keyslot3] = sec_eng_key[0:16]
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efuse_mask_data[keyslot2:keyslot3] = mask_4bytes * 4
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rw_lock0 |= 1 << wr_lock_key_slot_2
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rw_lock0 |= 1 << rd_lock_key_slot_2
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if flash_encryp_type == 2 or flash_encryp_type == 3 or flash_encryp_type == 4 or flash_encryp_type == 5 or flash_encryp_type == 6:
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if sec_eng_key_sel == 0:
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efuse_data[keyslot6:keyslot7] = sec_eng_key[16:32]
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efuse_data[keyslot10:keyslot10_end] = sec_eng_key[0:16]
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efuse_mask_data[keyslot6:keyslot7] = mask_4bytes * 4
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efuse_mask_data[keyslot10:keyslot10_end] = mask_4bytes * 4
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rw_lock1 |= 1 << wr_lock_key_slot_6
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rw_lock1 |= 1 << wr_lock_key_slot_10
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rw_lock1 |= 1 << rd_lock_key_slot_6
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rw_lock1 |= 1 << rd_lock_key_slot_10
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if sec_eng_key_sel == 1:
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efuse_data[keyslot10:keyslot10_end] = sec_eng_key[16:32]
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efuse_data[keyslot6:keyslot7] = sec_eng_key[0:16]
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efuse_mask_data[keyslot6:keyslot7] = mask_4bytes * 4
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efuse_mask_data[keyslot10:keyslot10_end] = mask_4bytes * 4
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rw_lock1 |= 1 << wr_lock_key_slot_6
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rw_lock1 |= 1 << wr_lock_key_slot_10
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rw_lock1 |= 1 << rd_lock_key_slot_6
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rw_lock1 |= 1 << rd_lock_key_slot_10
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if sec_eng_key_sel == 2:
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if flash_key is not None:
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pass
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else:
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efuse_data[keyslot2:keyslot3] = sec_eng_key[16:32]
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efuse_data[keyslot3:keyslot3_end] = sec_eng_key[0:16]
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efuse_mask_data[keyslot2:keyslot3_end] = mask_4bytes * 8
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rw_lock0 |= 1 << wr_lock_key_slot_2
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rw_lock0 |= 1 << rd_lock_key_slot_2
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rw_lock0 |= 1 << wr_lock_key_slot_3
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rw_lock0 |= 1 << rd_lock_key_slot_3
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if sec_eng_key_sel == 3:
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if flash_key is not None:
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pass
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else:
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efuse_data[keyslot2:keyslot3_end] = sec_eng_key
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efuse_mask_data[keyslot2:keyslot3_end] = mask_4bytes * 8
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rw_lock0 |= 1 << wr_lock_key_slot_2
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rw_lock0 |= 1 << rd_lock_key_slot_2
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rw_lock0 |= 1 << wr_lock_key_slot_3
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rw_lock0 |= 1 << rd_lock_key_slot_3
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efuse_data[124:128] = bytearray_data_merge(efuse_data[124:128], bflb_utils.int_to_4bytearray_l(rw_lock0), 4)
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efuse_mask_data[124:128] = bytearray_data_merge(efuse_mask_data[124:128], bflb_utils.int_to_4bytearray_l(rw_lock0), 4)
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efuse_data[252:256] = bytearray_data_merge(efuse_data[252:256], bflb_utils.int_to_4bytearray_l(rw_lock1), 4)
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efuse_mask_data[252:256] = bytearray_data_merge(efuse_mask_data[252:256], bflb_utils.int_to_4bytearray_l(rw_lock1), 4)
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if security is True:
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bflb_utils.printf('Encrypt efuse data')
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security_key, security_iv = bflb_utils.get_security_key()
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efuse_data = img_create_encrypt_data(efuse_data, security_key, security_iv, 0)
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efuse_data = bytearray(4096) + efuse_data
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fp = open(cfg.get('Img_Group0_Cfg', 'efuse_file'), 'wb+')
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fp.write(efuse_data)
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fp.close()
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fp = open(cfg.get('Img_Group0_Cfg', 'efuse_mask_file'), 'wb+')
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fp.write(efuse_mask_data)
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fp.close()
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def img_create_get_sign_encrypt_info(bootheader_data):
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sign = bootheader_data[bootcfg_start] & 3
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encrypt = bootheader_data[bootcfg_start] >> 2 & 3
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key_sel = bootheader_data[bootcfg_start] >> 4 & 3
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xts_mode = bootheader_data[bootcfg_start] >> 6 & 1
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return (
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sign, encrypt, key_sel, xts_mode)
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def img_create_get_img_start_addr(bootheader_data):
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bootentry = []
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bootentry.append(bflb_utils.bytearray_to_int(bflb_utils.bytearray_reverse(bootheader_data[bootcpucfg_start + bootcpucfg_length * bootcpucfg_m0_index_number + 16:bootcpucfg_start + bootcpucfg_length * bootcpucfg_m0_index_number + 16 + 4])))
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return bootentry
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def img_create_flash_default_data(length):
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datas = bytearray(length)
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for i in range(length):
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datas[i] = 255
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return datas
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def img_get_file_data(files):
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datas = []
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for file in files:
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if file == 'UNUSED':
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datas.append(bytearray(0))
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continue
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else:
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with open(file, 'rb') as fp:
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data = fp.read()
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datas.append(data)
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return datas
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def img_get_largest_addr(addrs, files):
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min = 67108863
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maxlen = 0
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datalen = 0
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for i in range(len(addrs)):
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if files[i] == 'UNUSED':
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continue
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else:
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addr = addrs[i] & 67108863
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if addr >= maxlen:
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|
|
maxlen = addr
|
||
|
|
datalen = os.path.getsize(files[i])
|
||
|
|
if addr <= min:
|
||
|
|
min = addr
|
||
|
|
|
||
|
|
if maxlen == 0:
|
||
|
|
if datalen == 0:
|
||
|
|
return (0, 0)
|
||
|
|
return (
|
||
|
|
maxlen + datalen - min, min)
|
||
|
|
|
||
|
|
|
||
|
|
def img_get_one_group_img(d_addrs, d_files):
|
||
|
|
whole_img_len, min = img_get_largest_addr(d_addrs, d_files)
|
||
|
|
whole_img_len &= 67108863
|
||
|
|
whole_img_data = img_create_flash_default_data(whole_img_len)
|
||
|
|
filedatas = img_get_file_data(d_files)
|
||
|
|
for i in range(len(d_addrs)):
|
||
|
|
if d_files[i] == 'UNUSED':
|
||
|
|
continue
|
||
|
|
else:
|
||
|
|
start_addr = d_addrs[i]
|
||
|
|
start_addr &= 67108863
|
||
|
|
start_addr -= min
|
||
|
|
whole_img_data[start_addr:start_addr + len(filedatas[i])] = filedatas[i]
|
||
|
|
|
||
|
|
return whole_img_data
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_get_hash_ignore(bootheader_data):
|
||
|
|
return bootheader_data[bootcfg_start + 2] >> 1 & 1
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_get_crc_ignore(bootheader_data):
|
||
|
|
return bootheader_data[bootcfg_start + 2] & 1
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_update_bootheader_if(bootheader_data, hash, seg_cnt):
|
||
|
|
bootheader_data[bootcfg_start + 12:bootcfg_start + 12 + 4] = bflb_utils.int_to_4bytearray_l(seg_cnt)
|
||
|
|
sign = bootheader_data[bootcfg_start] & 3
|
||
|
|
encrypt = bootheader_data[bootcfg_start] >> 2 & 3
|
||
|
|
key_sel = bootheader_data[bootcfg_start] >> 4 & 3
|
||
|
|
xts_mode = bootheader_data[bootcfg_start] >> 6 & 1
|
||
|
|
if bootheader_data[bootcfg_start + 2] >> 1 & 1 == 1 and sign == 0:
|
||
|
|
bflb_utils.printf('Hash ignored')
|
||
|
|
else:
|
||
|
|
bootheader_data[bootcfg_start + 16:bootcfg_start + 16 + 32] = hash
|
||
|
|
if bootheader_data[bootcfg_start + 2] & 1 == 1:
|
||
|
|
bflb_utils.printf('Header crc ignored')
|
||
|
|
else:
|
||
|
|
hd_crcarray = bflb_utils.get_crc32_bytearray(bootheader_data[0:header_len - 4])
|
||
|
|
bootheader_data[header_len - 4:header_len] = hd_crcarray
|
||
|
|
bflb_utils.printf('Header crc: ', binascii.hexlify(hd_crcarray))
|
||
|
|
return bootheader_data
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_update_bootheader(bootheader_data, hash, seg_cnt, flashcfg_table_addr, flashcfg_table_len):
|
||
|
|
bootheader_data[flashcfg_table_start:flashcfg_table_start + 4] = bflb_utils.int_to_4bytearray_l(flashcfg_table_addr)
|
||
|
|
bootheader_data[flashcfg_table_start + 4:flashcfg_table_start + 8] = bflb_utils.int_to_4bytearray_l(flashcfg_table_len)
|
||
|
|
bootheader_data[bootcfg_start + 12:bootcfg_start + 12 + 4] = bflb_utils.int_to_4bytearray_l(seg_cnt)
|
||
|
|
sign, encrypt, key_sel, xts_mode = img_create_get_sign_encrypt_info(bootheader_data)
|
||
|
|
if img_create_get_hash_ignore(bootheader_data) == 1 and sign == 0:
|
||
|
|
bflb_utils.printf('Hash ignored')
|
||
|
|
else:
|
||
|
|
bootheader_data[bootcfg_start + 16:bootcfg_start + 16 + 32] = hash
|
||
|
|
if img_create_get_crc_ignore(bootheader_data) == 1:
|
||
|
|
bflb_utils.printf('Header crc ignored')
|
||
|
|
else:
|
||
|
|
hd_crcarray = bflb_utils.get_crc32_bytearray(bootheader_data[0:header_len - 4])
|
||
|
|
bootheader_data[header_len - 4:header_len] = hd_crcarray
|
||
|
|
bflb_utils.printf('Header crc: ', binascii.hexlify(hd_crcarray))
|
||
|
|
return bootheader_data[0:header_len]
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_update_segheader(segheader, segdatalen, segdatacrc):
|
||
|
|
segheader[4:8] = segdatalen
|
||
|
|
segheader[8:12] = segdatacrc
|
||
|
|
return segheader
|
||
|
|
|
||
|
|
|
||
|
|
def reverse_str_data_unit_number(str_data_unit_number):
|
||
|
|
"""
|
||
|
|
high position low data
|
||
|
|
data unit number:00000280
|
||
|
|
storage format: 80020000
|
||
|
|
"""
|
||
|
|
reverse_str = ''
|
||
|
|
if len(str_data_unit_number) == 8:
|
||
|
|
str_part1 = str_data_unit_number[0:2]
|
||
|
|
str_part2 = str_data_unit_number[2:4]
|
||
|
|
str_part3 = str_data_unit_number[4:6]
|
||
|
|
str_part4 = str_data_unit_number[6:8]
|
||
|
|
reverse_str = str_part4 + str_part3 + str_part2 + str_part1
|
||
|
|
return reverse_str
|
||
|
|
|
||
|
|
|
||
|
|
def reverse_iv(need_reverse_iv_bytearray):
|
||
|
|
temp_reverse_iv_bytearray = binascii.hexlify(need_reverse_iv_bytearray).decode()
|
||
|
|
if temp_reverse_iv_bytearray[24:32] != '00000000':
|
||
|
|
bflb_utils.printf('The lower 4 bytes of IV should be set 0, if set IV is less than 16 bytes, make up 0 for the low 4 bytes of IV ')
|
||
|
|
sys.exit()
|
||
|
|
reverse_iv_bytearray = '00000000' + temp_reverse_iv_bytearray[0:24]
|
||
|
|
return reverse_iv_bytearray
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_encrypt_data_xts(data_bytearray, key_bytearray, iv_bytearray, encrypt):
|
||
|
|
counter = binascii.hexlify(iv_bytearray[4:16]).decode()
|
||
|
|
data_unit_number = 0
|
||
|
|
key = (
|
||
|
|
key_bytearray[0:16], key_bytearray[16:32])
|
||
|
|
if encrypt == 2 or encrypt == 3:
|
||
|
|
key = (
|
||
|
|
key_bytearray, key_bytearray)
|
||
|
|
cipher = AES_XTS.new(key, AES_XTS.MODE_XTS)
|
||
|
|
total_len = len(data_bytearray)
|
||
|
|
ciphertext = bytearray(0)
|
||
|
|
deal_len = 0
|
||
|
|
while deal_len < total_len:
|
||
|
|
data_unit_number = str(hex(data_unit_number)).replace('0x', '')
|
||
|
|
data_unit_number_to_str = str(data_unit_number)
|
||
|
|
right_justify_str = data_unit_number_to_str.rjust(8, '0')
|
||
|
|
reverse_data_unit_number_str = reverse_str_data_unit_number(right_justify_str)
|
||
|
|
tweak = reverse_data_unit_number_str + counter
|
||
|
|
tweak = bflb_utils.hexstr_to_bytearray('0' * (32 - len(tweak)) + tweak)
|
||
|
|
if 32 + deal_len <= total_len:
|
||
|
|
cur_block = data_bytearray[0 + deal_len:32 + deal_len]
|
||
|
|
ciphertext += cipher.encrypt(cur_block, tweak)
|
||
|
|
else:
|
||
|
|
cur_block = data_bytearray[0 + deal_len:16 + deal_len] + bytearray(16)
|
||
|
|
ciphertext += cipher.encrypt(cur_block, tweak)[0:16]
|
||
|
|
deal_len += 32
|
||
|
|
data_unit_number = int(data_unit_number, 16)
|
||
|
|
data_unit_number += 1
|
||
|
|
|
||
|
|
return ciphertext
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_sign_data(data_bytearray, privatekey_file_uecc, publickey_file):
|
||
|
|
sk = ecdsa.SigningKey.from_pem(open(privatekey_file_uecc).read())
|
||
|
|
vk = ecdsa.VerifyingKey.from_pem(open(publickey_file).read())
|
||
|
|
pk_data = vk.to_string()
|
||
|
|
bflb_utils.printf('Private key: ', binascii.hexlify(sk.to_string()))
|
||
|
|
bflb_utils.printf('Public key: ', binascii.hexlify(pk_data))
|
||
|
|
pk_hash = img_create_sha256_data(pk_data)
|
||
|
|
bflb_utils.printf('Public key hash=', binascii.hexlify(pk_hash))
|
||
|
|
signature = sk.sign(data_bytearray, hashfunc=(hashlib.sha256), sigencode=(ecdsa.util.sigencode_string))
|
||
|
|
bflb_utils.printf('Signature=', binascii.hexlify(signature))
|
||
|
|
len_array = bflb_utils.int_to_4bytearray_l(len(signature))
|
||
|
|
sig_field = len_array + signature
|
||
|
|
crcarray = bflb_utils.get_crc32_bytearray(sig_field)
|
||
|
|
return (
|
||
|
|
pk_data, pk_hash, sig_field + crcarray)
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_read_file_append_crc(file, crc):
|
||
|
|
fp = open(file, 'rb')
|
||
|
|
read_data = bytearray(fp.read())
|
||
|
|
crcarray = bytearray(0)
|
||
|
|
if crc:
|
||
|
|
crcarray = bflb_utils.get_crc32_bytearray(read_data)
|
||
|
|
fp.close()
|
||
|
|
return read_data + crcarray
|
||
|
|
|
||
|
|
|
||
|
|
def encrypt_loader_bin_do(file, sign, encrypt, temp_encrypt_key, temp_encrypt_iv, publickey_file, privatekey_file):
|
||
|
|
if encrypt != 0 or sign != 0:
|
||
|
|
encrypt_key = bytearray(0)
|
||
|
|
encrypt_iv = bytearray(0)
|
||
|
|
load_helper_bin_header = bytearray(0)
|
||
|
|
load_helper_bin_body = bytearray(0)
|
||
|
|
offset = bootcfg_start
|
||
|
|
sign_pos = 0
|
||
|
|
encrypt_type_pos = 2
|
||
|
|
pk_data = bytearray(0)
|
||
|
|
signature = bytearray(0)
|
||
|
|
aesiv_data = bytearray(0)
|
||
|
|
data_tohash = bytearray(0)
|
||
|
|
with open(file, 'rb') as fp:
|
||
|
|
load_helper_bin = fp.read()
|
||
|
|
load_helper_bin_header = load_helper_bin[0:header_len]
|
||
|
|
load_helper_bin_body = load_helper_bin[header_len:]
|
||
|
|
if load_helper_bin_header != bytearray(0):
|
||
|
|
if load_helper_bin_body != bytearray(0):
|
||
|
|
load_helper_bin_body = bflb_utils.add_to_16(load_helper_bin_body)
|
||
|
|
if encrypt != 0:
|
||
|
|
encrypt_key = bflb_utils.hexstr_to_bytearray(temp_encrypt_key)
|
||
|
|
encrypt_iv = bflb_utils.hexstr_to_bytearray(temp_encrypt_iv)
|
||
|
|
iv_crcarray = bflb_utils.get_crc32_bytearray(encrypt_iv)
|
||
|
|
aesiv_data = encrypt_iv + iv_crcarray
|
||
|
|
data_tohash = data_tohash + aesiv_data
|
||
|
|
load_helper_bin_body_encrypt = bflb_utils.img_create_encrypt_data(load_helper_bin_body, encrypt_key, encrypt_iv, 0)
|
||
|
|
else:
|
||
|
|
load_helper_bin_body_encrypt = load_helper_bin_body
|
||
|
|
data = bytearray(load_helper_bin_header)
|
||
|
|
oldval = bflb_utils.bytearray_to_int(bflb_utils.bytearray_reverse(data[offset:offset + 4]))
|
||
|
|
newval = oldval
|
||
|
|
if encrypt != 0:
|
||
|
|
newval = newval | 1 << encrypt_type_pos
|
||
|
|
if sign != 0:
|
||
|
|
newval = newval | 1 << sign_pos
|
||
|
|
data_tohash += load_helper_bin_body_encrypt
|
||
|
|
pk_data, pk_hash, signature = img_create_sign_data(data_tohash, privatekey_file, publickey_file)
|
||
|
|
pk_data = pk_data + bflb_utils.get_crc32_bytearray(pk_data)
|
||
|
|
data[offset:offset + 4] = bflb_utils.int_to_4bytearray_l(newval)
|
||
|
|
load_helper_bin_header = data
|
||
|
|
load_helper_bin_encrypt = load_helper_bin_header + pk_data + signature + aesiv_data + load_helper_bin_body_encrypt
|
||
|
|
hashfun = hashlib.sha256()
|
||
|
|
hashfun.update(load_helper_bin_body_encrypt)
|
||
|
|
hash = bflb_utils.hexstr_to_bytearray(hashfun.hexdigest())
|
||
|
|
load_helper_bin_data = bytearray(load_helper_bin_encrypt)
|
||
|
|
load_helper_bin_encrypt = img_create_update_bootheader_if(load_helper_bin_data, hash, 1)
|
||
|
|
return (
|
||
|
|
True, load_helper_bin_encrypt)
|
||
|
|
return (False, None)
|
||
|
|
|
||
|
|
|
||
|
|
def img_creat_process(group_type, flash_img, cfg, security=False):
|
||
|
|
encrypt_blk_size = 16
|
||
|
|
padding = bytearray(encrypt_blk_size)
|
||
|
|
data_tohash = bytearray(0)
|
||
|
|
cfg_section = ''
|
||
|
|
img_update_efuse_fun = img_update_efuse_group0
|
||
|
|
cfg_section = 'Img_Group0_Cfg'
|
||
|
|
segheader_file = []
|
||
|
|
if flash_img == 0:
|
||
|
|
for files in cfg.get(cfg_section, 'segheader_file').split(' '):
|
||
|
|
segheader_file.append(str(files))
|
||
|
|
|
||
|
|
segdata_file = []
|
||
|
|
for files in cfg.get(cfg_section, 'segdata_file').split('|'):
|
||
|
|
if files:
|
||
|
|
segdata_file.append(str(files))
|
||
|
|
|
||
|
|
boot_header_file = cfg.get(cfg_section, 'boot_header_file')
|
||
|
|
bootheader_data = img_create_read_file_append_crc(boot_header_file, 0)
|
||
|
|
encrypt = 0
|
||
|
|
sign, encrypt, key_sel, xts_mode = img_create_get_sign_encrypt_info(bootheader_data)
|
||
|
|
boot_entry = img_create_get_img_start_addr(bootheader_data)
|
||
|
|
aesiv_data = bytearray(0)
|
||
|
|
pk_data = bytearray(0)
|
||
|
|
publickey_file = ''
|
||
|
|
privatekey_file_uecc = ''
|
||
|
|
if sign != 0:
|
||
|
|
bflb_utils.printf('Image need sign')
|
||
|
|
publickey_file = cfg.get(cfg_section, 'publickey_file')
|
||
|
|
privatekey_file_uecc = cfg.get(cfg_section, 'privatekey_file_uecc')
|
||
|
|
if encrypt != 0:
|
||
|
|
bflb_utils.printf('Image need encrypt ', encrypt)
|
||
|
|
if xts_mode == 1:
|
||
|
|
bflb_utils.printf('Enable xts mode')
|
||
|
|
encrypt_key_org = bflb_utils.hexstr_to_bytearray(cfg.get(cfg_section, 'aes_key_org'))
|
||
|
|
if encrypt == 1:
|
||
|
|
if xts_mode == 1:
|
||
|
|
encrypt_key = encrypt_key_org[0:32]
|
||
|
|
else:
|
||
|
|
encrypt_key = encrypt_key_org[0:16]
|
||
|
|
else:
|
||
|
|
if encrypt == 2:
|
||
|
|
if xts_mode == 1:
|
||
|
|
encrypt_key = encrypt_key_org[0:32]
|
||
|
|
else:
|
||
|
|
encrypt_key = encrypt_key_org[0:32]
|
||
|
|
else:
|
||
|
|
if encrypt == 3:
|
||
|
|
if xts_mode == 1:
|
||
|
|
encrypt_key = encrypt_key_org[0:24]
|
||
|
|
else:
|
||
|
|
encrypt_key = encrypt_key_org[0:24]
|
||
|
|
bflb_utils.printf('Key= ', binascii.hexlify(encrypt_key))
|
||
|
|
iv_value = cfg.get(cfg_section, 'aes_iv')
|
||
|
|
if xts_mode == 1:
|
||
|
|
iv_value = iv_value[24:32] + iv_value[:24]
|
||
|
|
encrypt_iv = bflb_utils.hexstr_to_bytearray(iv_value)
|
||
|
|
iv_crcarray = bflb_utils.get_crc32_bytearray(encrypt_iv)
|
||
|
|
aesiv_data = encrypt_iv + iv_crcarray
|
||
|
|
data_tohash = data_tohash + aesiv_data
|
||
|
|
seg_cnt = len(segheader_file)
|
||
|
|
segdata_cnt = len(segdata_file)
|
||
|
|
if flash_img == 0:
|
||
|
|
if seg_cnt != segdata_cnt:
|
||
|
|
bflb_utils.printf('Segheader count and segdata count not match')
|
||
|
|
return (
|
||
|
|
'FAIL', data_tohash)
|
||
|
|
data_toencrypt = bytearray(0)
|
||
|
|
if flash_img == 0:
|
||
|
|
i = 0
|
||
|
|
seg_header_list = []
|
||
|
|
seg_data_list = []
|
||
|
|
while i < seg_cnt:
|
||
|
|
seg_data = bytearray(0)
|
||
|
|
if segdata_file[i] != 'UNUSED':
|
||
|
|
seg_data = img_create_read_file_append_crc(segdata_file[i], 0)
|
||
|
|
else:
|
||
|
|
padding_size = 0
|
||
|
|
if len(seg_data) % encrypt_blk_size != 0:
|
||
|
|
padding_size = encrypt_blk_size - len(seg_data) % encrypt_blk_size
|
||
|
|
seg_data += padding[0:padding_size]
|
||
|
|
segdata_crcarray = bflb_utils.get_crc32_bytearray(seg_data)
|
||
|
|
seg_data_list.append(seg_data)
|
||
|
|
seg_header = img_create_read_file_append_crc(segheader_file[i], 0)
|
||
|
|
seg_header = img_create_update_segheader(seg_header, bflb_utils.int_to_4bytearray_l(len(seg_data)), segdata_crcarray)
|
||
|
|
segheader_crcarray = bflb_utils.get_crc32_bytearray(seg_header)
|
||
|
|
seg_header = seg_header + segheader_crcarray
|
||
|
|
seg_header_list.append(seg_header)
|
||
|
|
i = i + 1
|
||
|
|
|
||
|
|
i = 0
|
||
|
|
cnt = 0
|
||
|
|
while i < seg_cnt:
|
||
|
|
if seg_header_list[i][4:8] != bytearray(4):
|
||
|
|
data_toencrypt += seg_header_list[i]
|
||
|
|
data_toencrypt += seg_data_list[i]
|
||
|
|
cnt += 1
|
||
|
|
else:
|
||
|
|
i += 1
|
||
|
|
|
||
|
|
seg_cnt = cnt
|
||
|
|
else:
|
||
|
|
seg_data = img_get_one_group_img(boot_entry, segdata_file)
|
||
|
|
padding_size = 0
|
||
|
|
if len(seg_data) % encrypt_blk_size != 0:
|
||
|
|
padding_size = encrypt_blk_size - len(seg_data) % encrypt_blk_size
|
||
|
|
seg_data += padding[0:padding_size]
|
||
|
|
data_toencrypt += seg_data
|
||
|
|
seg_cnt = len(data_toencrypt)
|
||
|
|
if encrypt != 0:
|
||
|
|
unencrypt_mfg_data = bytearray(0)
|
||
|
|
if seg_cnt >= 8192:
|
||
|
|
if data_toencrypt[4096:4100] == bytearray('0mfg'.encode('utf-8')):
|
||
|
|
unencrypt_mfg_data = data_toencrypt[4096:8192]
|
||
|
|
if xts_mode != 0:
|
||
|
|
data_toencrypt = img_create_encrypt_data_xts(data_toencrypt, encrypt_key, encrypt_iv, encrypt)
|
||
|
|
else:
|
||
|
|
data_toencrypt = img_create_encrypt_data(data_toencrypt, encrypt_key, encrypt_iv, flash_img)
|
||
|
|
if unencrypt_mfg_data != bytearray(0):
|
||
|
|
data_toencrypt = data_toencrypt[0:4096] + unencrypt_mfg_data + data_toencrypt[8192:]
|
||
|
|
fw_data = bytearray(0)
|
||
|
|
data_tohash += data_toencrypt
|
||
|
|
fw_data = data_toencrypt
|
||
|
|
hash = img_create_sha256_data(data_tohash)
|
||
|
|
bflb_utils.printf('Image hash is ', binascii.hexlify(hash))
|
||
|
|
signature = bytearray(0)
|
||
|
|
pk_hash = None
|
||
|
|
if sign == 1:
|
||
|
|
pk_data, pk_hash, signature = img_create_sign_data(data_tohash, privatekey_file_uecc, publickey_file)
|
||
|
|
pk_data = pk_data + bflb_utils.get_crc32_bytearray(pk_data)
|
||
|
|
flashCfgAddr = len(bootheader_data + pk_data + signature + aesiv_data)
|
||
|
|
flashCfgListLen = 0
|
||
|
|
flashCfgList = bytearray(0)
|
||
|
|
flashCfgTable = bytearray(0)
|
||
|
|
if flash_img == 1:
|
||
|
|
if bootheader_data[25:26] == b'\xff':
|
||
|
|
flashCfgList, flashCfgTable, flashCfgListLen = create_flashcfg_table(flashCfgAddr)
|
||
|
|
bootheader_data = img_create_update_bootheader(bootheader_data, hash, seg_cnt, flashCfgAddr, flashCfgListLen)
|
||
|
|
if flash_img == 1:
|
||
|
|
bflb_utils.printf('Write flash img')
|
||
|
|
bootinfo_file_name = cfg.get(cfg_section, 'bootinfo_file')
|
||
|
|
fp = open(bootinfo_file_name, 'wb+')
|
||
|
|
bootinfo = bootheader_data + pk_data + signature + aesiv_data + flashCfgList + flashCfgTable
|
||
|
|
fp.write(bootinfo)
|
||
|
|
fp.close()
|
||
|
|
fw_file_name = cfg.get(cfg_section, 'img_file')
|
||
|
|
fp = open(fw_file_name, 'wb+')
|
||
|
|
fp.write(fw_data)
|
||
|
|
fp.close()
|
||
|
|
fw_data_hash = img_create_sha256_data(fw_data)
|
||
|
|
fp = open(fw_file_name.replace('.bin', '_withhash.bin'), 'wb+')
|
||
|
|
fp.write(fw_data + fw_data_hash)
|
||
|
|
fp.close()
|
||
|
|
if encrypt != 0:
|
||
|
|
flash_encrypt_type = 0
|
||
|
|
if encrypt == 1:
|
||
|
|
flash_encrypt_type = 1
|
||
|
|
if encrypt == 2:
|
||
|
|
flash_encrypt_type = 3
|
||
|
|
if encrypt == 3:
|
||
|
|
flash_encrypt_type = 2
|
||
|
|
if xts_mode == 1:
|
||
|
|
flash_encrypt_type += 3
|
||
|
|
img_update_efuse_fun(cfg, sign, pk_hash, flash_encrypt_type, encrypt_key + bytearray(32 - len(encrypt_key)), key_sel, None, security)
|
||
|
|
else:
|
||
|
|
img_update_efuse_fun(cfg, sign, pk_hash, encrypt, None, key_sel, None, security)
|
||
|
|
else:
|
||
|
|
bflb_utils.printf('Write if img')
|
||
|
|
whole_img_file_name = cfg.get(cfg_section, 'whole_img_file')
|
||
|
|
fp = open(whole_img_file_name, 'wb+')
|
||
|
|
img_data = bootheader_data + pk_data + signature + aesiv_data + fw_data
|
||
|
|
fp.write(img_data)
|
||
|
|
fp.close()
|
||
|
|
if encrypt != 0:
|
||
|
|
if_encrypt_type = 0
|
||
|
|
if encrypt == 1:
|
||
|
|
if_encrypt_type = 1
|
||
|
|
if encrypt == 2:
|
||
|
|
if_encrypt_type = 3
|
||
|
|
if encrypt == 3:
|
||
|
|
if_encrypt_type = 2
|
||
|
|
if xts_mode == 1:
|
||
|
|
if_encrypt_type += 3
|
||
|
|
img_update_efuse_fun(cfg, sign, pk_hash, if_encrypt_type, None, key_sel, encrypt_key + bytearray(32 - len(encrypt_key)), security)
|
||
|
|
else:
|
||
|
|
img_update_efuse_fun(cfg, sign, pk_hash, 0, None, key_sel, bytearray(32), security)
|
||
|
|
return (
|
||
|
|
'OK', data_tohash)
|
||
|
|
|
||
|
|
|
||
|
|
def img_create_do(args, img_dir_path=None, config_file=None):
|
||
|
|
bflb_utils.printf('Image create path: ', img_dir_path)
|
||
|
|
if config_file is None:
|
||
|
|
config_file = img_dir_path + '/img_create_cfg.ini'
|
||
|
|
bflb_utils.printf('Config file: ', config_file)
|
||
|
|
cfg = BFConfigParser()
|
||
|
|
cfg.read(config_file)
|
||
|
|
group_type = 'all'
|
||
|
|
img_type = 'media'
|
||
|
|
signer = 'none'
|
||
|
|
security = False
|
||
|
|
data_tohash = bytearray(0)
|
||
|
|
try:
|
||
|
|
if args.image:
|
||
|
|
img_type = args.image
|
||
|
|
if args.group:
|
||
|
|
group_type = args.group
|
||
|
|
if args.signer:
|
||
|
|
signer = args.signer
|
||
|
|
if args.security:
|
||
|
|
security = args.security == 'efuse'
|
||
|
|
except Exception as e:
|
||
|
|
try:
|
||
|
|
bflb_utils.printf(e)
|
||
|
|
finally:
|
||
|
|
e = None
|
||
|
|
del e
|
||
|
|
|
||
|
|
if img_type == 'media':
|
||
|
|
flash_img = 1
|
||
|
|
else:
|
||
|
|
flash_img = 0
|
||
|
|
ret0 = ret1 = 'OK'
|
||
|
|
if group_type == 'group0' or group_type == 'all':
|
||
|
|
ret0, data_tohash0 = img_creat_process('group0', flash_img, cfg, security)
|
||
|
|
else:
|
||
|
|
img_creat_process('', flash_img, cfg, security)
|
||
|
|
if ret0 != 'OK':
|
||
|
|
bflb_utils.printf('Fail to create group0 images!')
|
||
|
|
return
|
||
|
|
if ret1 != 'OK':
|
||
|
|
bflb_utils.printf('Fail to create group1 images!')
|
||
|
|
|
||
|
|
|
||
|
|
def create_sp_media_image(config, cpu_type=None, security=False):
|
||
|
|
bflb_utils.printf('========= sp image create =========')
|
||
|
|
cfg = BFConfigParser()
|
||
|
|
cfg.read(config)
|
||
|
|
img_creat_process('group0', 1, cfg, security)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
data_bytearray = codecs.decode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hex')
|
||
|
|
key_bytearray = codecs.decode('fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0000102030405060708090a0b0c0d0e0f', 'hex')
|
||
|
|
need_reverse_iv_bytearray = codecs.decode('01000000000000000000000000000000', 'hex')
|
||
|
|
iv_bytearray = codecs.decode(reverse_iv(need_reverse_iv_bytearray), 'hex')
|
||
|
|
img_create_encrypt_data_xts(data_bytearray, key_bytearray, iv_bytearray, 0)
|
||
|
|
# okay decompiling ./libs/base/bl616/img_create_do.pyc
|