Android 如何检查apk是否已经签名，V1、V2、V3和V4签名？

命令：apksigner verify -verbose -print-certs  *.apk

 

C:\Users\xxx>apksigner verify -verbose -print-certs  adobereader_libso_V1.0.apk
Verifies
Verified using v1 scheme (JAR signing): true
Verified using v2 scheme (APK Signature Scheme v2): false
Verified using v3 scheme (APK Signature Scheme v3): false
Number of signers: 1
Signer #1 certificate DN: CN=Adobe Systems Incorporated, OU=Adobe Reader, O=Adobe Systems Incorporated, L=San Jose, ST=California, C=US
Signer #1 certificate SHA-256 digest: b6dd0562256487fcd6c98cde137858ef50d9adb9f9cd2f1ca58c5357efdf0faf
Signer #1 certificate SHA-1 digest: c07a0b5ec6f01a5789c4bbf88a830360514f02c5
Signer #1 certificate MD5 digest: 639d6863ca9d3dbbbfad49366f6b7fa5
Signer #1 key algorithm: RSA
Signer #1 key size (bits): 2048
Signer #1 public key SHA-256 digest: 88fa00bcec22c9c7600fbf57d1c856812109be3903abf704b92c1e083ae47d99
Signer #1 public key SHA-1 digest: 8c86aa9af1042a7c836298f1539148796ead7eb9
Signer #1 public key MD5 digest: b7a3da486cb983107fd95e079c8ca99e