android - test if a specific key was used to sign an .apk file -


i have .key file , signed .apk file (android phongap application built using phonegap build).

how can check if .apk signed using key?

you retrieve , compare fingerprints of public keys included in apk file , key file.

for apk:

  1. unpack file /meta-inf/cert.rsa apk.
  2. use keytool -printcert -file cert.rsa compute sha1 + md5 fingerprints.

for key file:

  1. run keytool -list -v -keystore <keystore file> -alias <key alias>.
  2. input keystore password.
  3. this output sha1 + md5 fingerprints. if omit -v md5 fingerprint printed.

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