public String genericPhpStormKey(int minorVersion, int majorVersion, String userName) {
    BigInteger pubKey = new BigInteger(
        "BB62FBB57F105CD61B47AE2290FCB3CE1179942DE171BEDDF6BAA1A521B9368B735C7C931902EBA8DE6D160711A6ECC40F4A5E766E9FCDEE8A38715DB572AD3D",
        16);
    BigInteger privKey = new BigInteger(