Signing Code with Sun's Java 2-II
keytool -list view the fingerprints of certificates in the keystore.
keytool -list -v view the personal information about the issuer and owner of the certificate.
keytool -identitydb - Import information from a JDK 1.1.x-style identity database.
keytool -keypasswd - Assign a password to a private key in a key/certificate entry.
keytool -printcert - Print out the information in a specified file containing a certificate.
keytool -certreq -alias keyname -file requestfile :Generate a certificate request.