options:¶

-h, --help

show this help message and exit

subcommands:¶

{generate_test_image,version,extract_public_key,make_vbmeta_image,add_hash_footer,append_vbmeta_image,add_hashtree_footer,erase_footer,zero_hashtree,extract_vbmeta_image,resize_image,info_image,verify_image,print_partition_digests,calculate_vbmeta_digest,calculate_kernel_cmdline,set_ab_metadata,make_atx_certificate,make_atx_permanent_attributes,make_atx_metadata,make_atx_unlock_credential}

generate_test_image

Generates a test image with a known pattern for testing: 0x00 0x01 0x02 ... 0xff 0x00 0x01 ...

version

Prints version of avbtool.

extract_public_key

Extract public key.

make_vbmeta_image

Makes a vbmeta image.

add_hash_footer

Add hashes and footer to image.

append_vbmeta_image

Append vbmeta image to image.

add_hashtree_footer

Add hashtree and footer to image.

erase_footer

Erase footer from an image.

zero_hashtree

Zero out hashtree and FEC data.

extract_vbmeta_image

Extracts vbmeta from an image with a footer.

resize_image

Resize image with a footer.

info_image

Show information about vbmeta or footer.

verify_image

Verify an image.

print_partition_digests

Prints partition digests.

calculate_vbmeta_digest

Calculate vbmeta digest.

calculate_kernel_cmdline

Calculate kernel cmdline.

set_ab_metadata

Set A/B metadata.

make_atx_certificate

Create an Android Things eXtension (ATX) certificate.

make_atx_permanent_attributes

Create Android Things eXtension (ATX) permanent attributes.

make_atx_metadata

Create Android Things eXtension (ATX) metadata.

make_atx_unlock_credential

Create an Android Things eXtension (ATX) unlock credential.