final byte[] testSalt = new byte[10];
prng.nextBytes(testSalt);
tpasswd.add(user, password, testSalt, SRPRegistry.N_2048_BITS);
}
else
tpasswd.changePasswd(user, password);
final String[] entry = tpasswd.lookup(user, md);
final BigInteger v = new BigInteger(1, Util.fromBase64(entry[0]));
final byte[] salt = Util.fromBase64(entry[1]);