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1 /* |
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 8014374 |
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27 * @summary Test CipherInputStream/OutputStream func w/ GCM mode and AAD. |
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28 * @author Valerie Peng |
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29 */ |
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30 |
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31 import java.io.*; |
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32 import java.security.*; |
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33 import java.util.*; |
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34 import javax.crypto.*; |
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35 import javax.crypto.spec.*; |
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36 |
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37 public class TestCICOWithGCMAndAAD extends UcryptoTest { |
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38 public static void main(String[] args) throws Exception { |
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39 main(new TestCICOWithGCMAndAAD(), null); |
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40 } |
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41 |
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42 public void doTest(Provider p) throws Exception { |
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43 // check if GCM support exists |
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44 try { |
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45 Cipher.getInstance("AES/GCM/NoPadding", p); |
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46 } catch (NoSuchAlgorithmException nsae) { |
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47 System.out.println("Skipping Test due to no GCM support"); |
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48 return; |
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49 } |
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50 |
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51 Random rdm = new Random(); |
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52 |
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53 //init Secret Key |
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54 byte[] keyValue = new byte[16]; |
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55 rdm.nextBytes(keyValue); |
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56 SecretKey key = new SecretKeySpec(keyValue, "AES"); |
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57 |
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58 //Do initialization of the plainText |
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59 byte[] plainText = new byte[400]; |
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60 rdm.nextBytes(plainText); |
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61 |
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62 byte[] aad = new byte[128]; |
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63 rdm.nextBytes(aad); |
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64 byte[] aad2 = aad.clone(); |
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65 aad2[50]++; |
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66 |
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67 GCMParameterSpec spec = new GCMParameterSpec(128, new byte[16]); |
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68 Cipher encCipher = Cipher.getInstance("AES/GCM/NoPadding", p); |
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69 encCipher.init(Cipher.ENCRYPT_MODE, key, spec); |
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70 encCipher.updateAAD(aad); |
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71 Cipher decCipher = Cipher.getInstance("AES/GCM/NoPadding", p); |
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72 decCipher.init(Cipher.DECRYPT_MODE, key, spec); //encCipher.getParameters()); |
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73 decCipher.updateAAD(aad); |
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74 |
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75 byte[] recovered = test(encCipher, decCipher, plainText); |
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76 if (!Arrays.equals(plainText, recovered)) { |
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77 throw new Exception("sameAAD: diff check failed!"); |
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78 } else System.out.println("sameAAD: passed"); |
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79 |
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80 encCipher.init(Cipher.ENCRYPT_MODE, key); |
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81 encCipher.updateAAD(aad2); |
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82 recovered = test(encCipher, decCipher, plainText); |
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83 if (recovered != null && recovered.length != 0) { |
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84 throw new Exception("diffAAD: no data should be returned!"); |
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85 } else System.out.println("diffAAD: passed"); |
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86 } |
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87 |
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88 private static byte[] test(Cipher encCipher, Cipher decCipher, byte[] plainText) |
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89 throws Exception { |
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90 //init cipher streams |
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91 ByteArrayInputStream baInput = new ByteArrayInputStream(plainText); |
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92 CipherInputStream ciInput = new CipherInputStream(baInput, encCipher); |
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93 ByteArrayOutputStream baOutput = new ByteArrayOutputStream(); |
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94 CipherOutputStream ciOutput = new CipherOutputStream(baOutput, decCipher); |
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95 |
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96 //do test |
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97 byte[] buffer = new byte[200]; |
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98 int len = ciInput.read(buffer); |
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99 System.out.println("read " + len + " bytes from input buffer"); |
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100 |
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101 while (len != -1) { |
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102 ciOutput.write(buffer, 0, len); |
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103 System.out.println("wite " + len + " bytes to output buffer"); |
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104 len = ciInput.read(buffer); |
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105 if (len != -1) { |
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106 System.out.println("read " + len + " bytes from input buffer"); |
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107 } else { |
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108 System.out.println("finished reading"); |
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109 } |
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110 } |
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111 |
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112 ciOutput.flush(); |
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113 ciInput.close(); |
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114 ciOutput.close(); |
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115 |
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116 return baOutput.toByteArray(); |
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117 } |
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118 } |