tests/com/lambdaworks/crypto/test/SCryptTest.java

   1 // Copyright (C) 2011 - Will Glozer.  All rights reserved.
   2
   3 package com.lambdaworks.crypto.test;
   4
   5 import com.lambdaworks.crypto.SCrypt;
   6 import org.junit.Test;
   7
   8 import static org.junit.Assert.*;
   9 import static com.lambdaworks.crypto.test.CryptoTestUtil.*;
  10 import static com.lambdaworks.crypto.SCrypt.*;
  11
  12 public class SCryptTest {
  13     @Test
  14     public void scrypt_paper_appendix_b() throws Exception {
  15         byte[] P, S;
  16         int N, r, p, dkLen;
  17         String DK;
  18
  19         // empty key & salt test missing because unsupported by JCE
  20
  21         P = "password".getBytes("UTF-8");
  22         S = "NaCl".getBytes("UTF-8");
  23         N = 1024;
  24         r = 8;
  25         p = 16;
  26         dkLen = 64;
  27         DK = "fdbabe1c9d3472007856e7190d01e9fe7c6ad7cbc8237830e77376634b3731622eaf30d92e22a3886ff109279d9830dac727afb94a83ee6d8360cbdfa2cc0640";
  28
  29         assertArrayEquals(decode(DK), SCrypt.scrypt(P, S, N, r, p, dkLen));
  30
  31         P = "pleaseletmein".getBytes("UTF-8");
  32         S = "SodiumChloride".getBytes("UTF-8");
  33         N = 16384;
  34         r = 8;
  35         p = 1;
  36         dkLen = 64;
  37         DK = "7023bdcb3afd7348461c06cd81fd38ebfda8fbba904f8e3ea9b543f6545da1f2d5432955613f0fcf62d49705242a9af9e61e85dc0d651e40dfcf017b45575887";
  38
  39         assertArrayEquals(decode(DK), scrypt(P, S, N, r, p, dkLen));
  40
  41         P = "pleaseletmein".getBytes("UTF-8");
  42         S = "SodiumChloride".getBytes("UTF-8");
  43         N = 1048576;
  44         r = 8;
  45         p = 1;
  46         dkLen = 64;
  47         DK = "2101cb9b6a511aaeaddbbe09cf70f881ec568d574a2ffd4dabe5ee9820adaa478e56fd8f4ba5d09ffa1c6d927c40f4c337304049e8a952fbcbf45c6fa77a41a4";
  48
  49         assertArrayEquals(decode(DK), SCrypt.scrypt(P, S, N, r, p, dkLen));
  50     }
  51
  52     @Test(expected = IllegalArgumentException.class)
  53     public void scrypt_invalid_N_zero() throws Exception {
  54         byte[] P = "pleaseletmein".getBytes("UTF-8");
  55         byte[] S = "SodiumChloride".getBytes("UTF-8");
  56         scrypt(P, S, 0, 1, 1, 64);
  57     }
  58
  59     @Test(expected = IllegalArgumentException.class)
  60     public void scrypt_invalid_N_odd() throws Exception {
  61         byte[] P = "pleaseletmein".getBytes("UTF-8");
  62         byte[] S = "SodiumChloride".getBytes("UTF-8");
  63         scrypt(P, S, 3, 1, 1, 64);
  64     }
  65
  66     @Test(expected = IllegalArgumentException.class)
  67     public void scrypt_invalid_N_large() throws Exception {
  68         byte[] P = "pleaseletmein".getBytes("UTF-8");
  69         byte[] S = "SodiumChloride".getBytes("UTF-8");
  70         int    r = 8;
  71         int    N = Integer.MAX_VALUE / 128;
  72         scrypt(P, S, N, r, 1, 64);
  73     }
  74
  75 //    @Test(expected = IllegalArgumentException.class)
  76 //    public void scrypt_invalid_r_large() throws Exception {
  77 //        byte[] P = "pleaseletmein".getBytes("UTF-8");
  78 //        byte[] S = "SodiumChloride".getBytes("UTF-8");
  79 //        int    N = 1024;
  80 //        int    r = Integer.MAX_VALUE / 128 + 1;
  81 //        int    p = 0;
  82 //        scrypt(P, S, N, r, p, 64);
  83 //    }
  84 }