How to view information about the Android app signature file

First, view the local KeyStore file (if there is a keystore password)

Command: keytool-list-v-keystore destination file path

Second, view the three-party application or System application signature

Right-click apk extract, the target file is the Cert.rsa file in the Meta-inf folder, view the certificate information by command Keytool.exe command

MD5, SHA1, SHA256 values and signature algorithms for signatures can be viewed

Command: Keytool-printcert-file destination file path

How to view information about the Android app signature file