@Test
public void pbkdf2KeyWithRandomSaltAndIterationCount() throws Exception {
byte[] password = PasswordToByteConverter.convert("password");
PBKDF2Parameters kdfParam1 = new PBKDF2Parameters(16);
KeyParameter params1 = getKDFInstance(kdfParam1).derive(password);
PBKDF2Parameters kdfParam2 = new PBKDF2Parameters(16);
KeyParameter params2 = getKDFInstance(kdfParam2).derive(password);
assertThat(params1.getKey(), not(equalTo(params2.getKey())));
assertThat(params1.getKey().length, equalTo(16));
assertThat(kdfParam1.getSalt(), not(equalTo(kdfParam2.getSalt())));
assertThat(kdfParam1.getIterationCount(), not(equalTo(kdfParam2.getIterationCount())));
}
@Test
public void pbkdf2KeyWithRandomIterationCount() throws Exception {
byte[] salt = Hex.decode("12 34 56 78 78 56 34 12");
byte[] password = PasswordToByteConverter.convert("password");
PBKDF2Parameters kdfParam1 = new PBKDF2Parameters(24, salt);
KeyParameter params1 = getKDFInstance(kdfParam1).derive(password);
PBKDF2Parameters kdfParam2 = new PBKDF2Parameters(24, salt);
KeyParameter params2 = getKDFInstance(kdfParam2).derive(password);
assertThat(params1.getKey(), not(equalTo(params2.getKey())));
assertThat(params1.getKey().length, equalTo(24));
assertThat(kdfParam1.getSalt(), equalTo(kdfParam2.getSalt()));
assertThat(kdfParam1.getIterationCount(), not(equalTo(kdfParam2.getIterationCount())));
}