1. Decompress the current apk with apktool (for example, demo.apk). After decompression, the certificate. RSA files will be generated.
* * * * apktool dedemo.apk. Note: The Androidmenifest.xml file extracted in this way can be opened and viewed through a file editor.
2. Get signature information through keytool command.
keytool-print cert-file c:\ Android \ soft \ apk tool \ demo \ original \ meta-INF \ cert。 RSA Owner: CN = Ryt, OU = Ryt, O = Ryt, L = Nanjing, ST = China, C = CN Publisher: CN =.