Problem in flashing custom signed vbmeta
Problem in flashing custom signed vbmeta
Minimum libavb version: 1.0
Header Block: 256 bytes
Authentication Block: 576 bytes
Auxiliary Block: 13568 bytes
Algorithm: SHA256_RSA4096
Rollback Index: 0
Flags: 0
Release String: 'avbtool 1.1.0'
Descriptors:
Chain Partition descriptor:
Partition Name: boot
Rollback Index Location: 1
Public key (sha1): ea410c1b46cdb2e40e526880ff383f083bd615d5
Chain Partition descriptor:
Partition Name: dtbo
Rollback Index Location: 10
Public key (sha1): ea410c1b46cdb2e40e526880ff383f083bd615d5
Chain Partition descriptor:
Partition Name: recovery
Rollback Index Location: 2
Public key (sha1): d9093b9a181bdb5731b44d60a9f850dc724e2874
Chain Partition descriptor:
Partition Name: socko
Rollback Index Location: 11
Public key (sha1): bc688cacacd959cfaafbf0549d080d6fc2d50a08
Chain Partition descriptor:
Partition Name: odmko
Rollback Index Location: 12
Public key (sha1): 425215859f49f31809f16491c2a67e04df79baaf
Chain Partition descriptor:
Partition Name: vbmeta_system
Rollback Index Location: 3
Public key (sha1): e2c66ff8a1d787d7bf898711187bff150f691d27
Chain Partition descriptor:
Partition Name: vbmeta_vendor
Rollback Index Location: 4
Public key (sha1): 9885bf5bf909e5208dfd42abaf51ad9b104ee117
Chain Partition descriptor:
Partition Name: l_modem
Rollback Index Location: 6
Public key (sha1): e93e7d91ba1a46b81a5f15129b4dc5769bf41f26
Chain Partition descriptor:
Partition Name: l_ldsp
Rollback Index Location: 7
Public key (sha1): e93e7d91ba1a46b81a5f15129b4dc5769bf41f26
Chain Partition descriptor:
Partition Name: l_gdsp
Rollback Index Location: 8
Public key (sha1): e93e7d91ba1a46b81a5f15129b4dc5769bf41f26
Chain Partition descriptor:
Partition Name: pm_sys
Rollback Index Location: 9
Public key (sha1): e93e7d91ba1a46b81a5f15129b4dc5769bf41f26
python avbtool extract_public_key --key hovatek.pem --output keys/hovatek.bin
python avbtool make_vbmeta_image --key hovatek.pem --algorithm SHA256_RSA4096 --flag 2 --chain_partition boot:1:keys/hovatek.bin --chain_partition dtbo:10:keys/key_dtbo.bin --chain_partition recovery:2:keys/key_recovery.bin --chain_partition socko:11:keys/key_socko.bin --chain_partition odmko:12:keys/key_odmko.bin --chain_partition vbmeta_system:3:keys/key_system.bin --chain_partition vbmeta_vendor:4:keys/key_vendor.bin --chain_partition l_modem:6:keys/key_lmodem.bin --chain_partition l_ldsp:7:keys/key_ldsp.bin --chain_partition l_gdsp:8:keys/key_lgdsp.bin --chain_partition pm_sys:9:keys/key_pmsys.bin --padding_size 16384 --output vbmeta-sign-custom.img
python vbmeta_pad.py
Minimum libavb version: 1.0
Header Block: 256 bytes
Authentication Block: 576 bytes
Auxiliary Block: 13568 bytes
Algorithm: SHA256_RSA4096
Rollback Index: 0
Flags: 2
Release String: 'avbtool 1.1.0'
Descriptors:
Chain Partition descriptor:
Partition Name: boot
Rollback Index Location: 1
Public key (sha1): e932ab427b4d63f8c6b2b9f22ed781bff80b291c
Chain Partition descriptor:
Partition Name: dtbo
Rollback Index Location: 10
Public key (sha1): ea410c1b46cdb2e40e526880ff383f083bd615d5
Chain Partition descriptor:
Partition Name: recovery
Rollback Index Location: 2
Public key (sha1): d9093b9a181bdb5731b44d60a9f850dc724e2874
Chain Partition descriptor:
Partition Name: socko
Rollback Index Location: 11
Public key (sha1): bc688cacacd959cfaafbf0549d080d6fc2d50a08
Chain Partition descriptor:
Partition Name: odmko
Rollback Index Location: 12
Public key (sha1): 425215859f49f31809f16491c2a67e04df79baaf
Chain Partition descriptor:
Partition Name: vbmeta_system
Rollback Index Location: 3
Public key (sha1): e2c66ff8a1d787d7bf898711187bff150f691d27
Chain Partition descriptor:
Partition Name: vbmeta_vendor
Rollback Index Location: 4
Public key (sha1): 9885bf5bf909e5208dfd42abaf51ad9b104ee117
Chain Partition descriptor:
Partition Name: l_modem
Rollback Index Location: 6
Public key (sha1): e93e7d91ba1a46b81a5f15129b4dc5769bf41f26
Chain Partition descriptor:
Partition Name: l_ldsp
Rollback Index Location: 7
Public key (sha1): e93e7d91ba1a46b81a5f15129b4dc5769bf41f26
Chain Partition descriptor:
Partition Name: l_gdsp
Rollback Index Location: 8
Public key (sha1): e93e7d91ba1a46b81a5f15129b4dc5769bf41f26
Chain Partition descriptor:
Partition Name: pm_sys
Rollback Index Location: 9
Public key (sha1): e93e7d91ba1a46b81a5f15129b4dc5769bf41f26
fastboot flash vbmeta vbmeta-sign-custom.img
target didn't report max-download-size
sending 'vbmeta' (1024 KB)...
OKAY [ 0.039s]
writing 'vbmeta'...
(01-07-2021, 09:00 PM)davideakc ...
So what the problem can be?
Thank you for all the replies and sorry for the long thread.
If you need more information, just ask
(02-07-2021, 10:03 AM)X3non Your stock vbmeta has flag 0, your make vbmeta command should have --flag 0Yes, I saw this but the video in the guide says it's normal to have "flag 2" in the custom signed vbmeta for disable verity checks.
(02-07-2021, 10:03 AM)X3non Also you should use the python vbmeta_pad script for Android 9 seeing as you have 00 40 00 00I used the one for Android 10 because the tablet has Android 10.
D:\Programmi\adb>fastboot flash vbmeta vbmeta-sign-custom.img
target didn't report max-download-size
sending 'vbmeta' (1024 KB)...
OKAY [ 0.038s]
writing 'vbmeta'...
(03-07-2021, 01:52 AM)davideakc ...
I really don't know what the error can be...
(03-07-2021, 09:58 AM)X3non retry again using the rsa4096_vbmeta.pem and flag 2With this suggestion, I flashed the vbmeta-sign-custom correctly to my tablet!
python avbtool extract_public_key --key hovatek.pem --output keys/hovatek.bin
python avbtool make_vbmeta_image --key rsa4096_vbmeta.pem --algorithm SHA256_RSA4096 --flag 2 --chain_partition boot:1:keys/hovatek.bin --chain_partition dtbo:10:keys/key_dtbo.bin --chain_partition recovery:2:keys/key_recovery.bin --chain_partition socko:11:keys/key_socko.bin --chain_partition odmko:12:keys/key_odmko.bin --chain_partition vbmeta_system:3:keys/key_system.bin --chain_partition vbmeta_vendor:4:keys/key_vendor.bin --chain_partition l_modem:6:keys/key_lmodem.bin --chain_partition l_ldsp:7:keys/key_ldsp.bin --chain_partition l_gdsp:8:keys/key_lgdsp.bin --chain_partition pm_sys:9:keys/key_pmsys.bin --padding_size 16384 --output vbmeta-sign-custom.img
python vbmeta_pad.py
python avbtool add_hash_footer --image boot_patched.img --partition_name boot --partition_size 36700160 --key rsa4096_vbmeta.pem --algorithm SHA256_RSA4096