question: encode the public/private key into base64 string key specification . concode_field_sep String SIGNATURE_ALGORITHM concode_elem_sep String ALGORITHM concode_field_sep String encodePublicKeyToXml concode_elem_sep PrivateKey decodePrivateKeyFromXml concode_elem_sep String getMiddleString concode_elem_sep String encodePrivateKeyToXml concode_elem_sep KeyFactory getKeyFactory concode_elem_sep PublicKey decodePublicKeyFromXml concode_elem_sep PublicKey getPublicKey concode_elem_sep PrivateKey getPrivateKey concode_elem_sep KeyPair initKey
target: String function ( Key arg0 ) { return Base64Util . byteToBase64 ( arg0 . getEncoded ( ) ) ; }