# Extract digest from original vbmeta image avbtool info_image --image vbmeta.img | grep "Digest:"
: This digest can be included in hardware-backed attestation data to provide high assurance of the device's software state. ro.boot.vbmeta.digest
The Android Verified Boot (AVB) framework ensures device integrity by cryptographically verifying each stage of the boot process. A critical but often overlooked system property is ro.boot.vbmeta.digest . This paper examines the generation, propagation, and security significance of this digest, which serves as a root-of-trust for the boot chain. # Extract digest from original vbmeta image avbtool