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annotate libtomcrypt/notes/etc/NoekeonVects.java @ 1902:4a6725ac957c

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Revert "Don't include sk keys at all in KEX list" This reverts git commit f972813ecdc7bb981d25b5a63638bd158f1c8e72. The sk algorithms need to remain in the sigalgs list so that they are included in the server-sig-algs ext-info message sent by the server. RFC8308 for server-sig-algs requires that all algorithms are listed (though OpenSSH client 8.4p1 tested doesn't require that)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 24 Mar 2022 13:42:08 +0800
parents 6dba84798cd5
children
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1 /*
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2 NoekeonVects.java - Generate Noekeon test vectors using BouncyCastle.
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3
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4 Written in 2011 by Patrick Pelletier <[email protected]>
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5
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6 To the extent possible under law, the author(s) have dedicated all
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7 copyright and related and neighboring rights to this software to
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8 the public domain worldwide. This software is distributed without
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9 any warranty.
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10
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11 This file is dedicated to the public domain with the CC0 Public Domain
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12 Dedication: http://creativecommons.org/publicdomain/zero/1.0/legalcode.txt
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13
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14 You may also consider this file to be covered by the WTFPL, as contained
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15 in the LibTomCrypt LICENSE file, if that makes you happier for some reason.
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16
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17 ----------------------------------------------------------------------
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18
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19 This program was inspired by the comment in Botan 1.10.1's
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20 doc/examples/eax_test.cpp:
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21
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22 // Noekeon: unknown cause, though LTC's lone test vector does not
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23 // match Botan
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24
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25 So, I investigated the discrepancy by comparing them with a third
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26 implementation, BouncyCastle: http://www.bouncycastle.org/java.html
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27
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28 I determined that there are two reasons why LibTomCrypt's Noekeon does
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29 not match Botan:
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30
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31 1) Botan uses "indirect Noekeon" (with a key schedule), while
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32 LibTomCrypt and BouncyCastle both use "direct Noekeon" (without
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33 a key schedule). See slide 14 of
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34 http://gro.noekeon.org/Noekeon-slides.pdf
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35
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36 2) However, LibTomCrypt's direct Noekeon still does not match
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37 BouncyCastle's direct Noekeon. This is because of a bug in
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38 LibTomCrypt's PI1 and PI2 functions:
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39 https://github.com/libtom/libtomcrypt/issues/5
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40
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41 This program uses BouncyCastle to produce test vectors which are
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42 suitable for Botan (by explicitly scheduling the key, thus
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43 building indirect Noekeon out of BouncyCastle's direct Noekeon),
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44 and also produces test vectors which would be suitable for
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45 LibTomCrypt (direct Noekeon) once its PI1 and PI2 functions are
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46 fixed to match the Noekeon specification.
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47
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48 Although this program uses a PRNG from BouncyCastle to generate
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49 data for the test vectors, it uses a fixed seed and thus will
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50 produce the same output every time it is run.
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51 */
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52
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53 import java.io.ByteArrayOutputStream;
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54 import java.io.IOException;
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55 import java.util.Locale;
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56 import org.bouncycastle.crypto.digests.RIPEMD128Digest;
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57 import org.bouncycastle.crypto.engines.NoekeonEngine;
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58 import org.bouncycastle.crypto.modes.EAXBlockCipher;
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59 import org.bouncycastle.crypto.params.AEADParameters;
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60 import org.bouncycastle.crypto.params.KeyParameter;
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61 import org.bouncycastle.crypto.prng.DigestRandomGenerator;
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62 import org.bouncycastle.util.encoders.HexEncoder;
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63
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64 public class NoekeonVects
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65 {
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66 private final DigestRandomGenerator r =
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67 new DigestRandomGenerator(new RIPEMD128Digest());
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68
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69 private final HexEncoder h = new HexEncoder();
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70
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71 private final NoekeonEngine noekeon = new NoekeonEngine();
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72
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73 private final KeyParameter null_key = new KeyParameter(new byte[16]);
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74
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75 private final boolean schedule_key;
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76
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77 private final boolean botan_format;
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78
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79 private byte[] randomBytes(int n)
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80 {
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81 byte[] b = new byte[n];
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82 r.nextBytes(b);
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83 return b;
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84 }
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85
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86 private void hexOut(byte[] b) throws IOException
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87 {
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88 // HexEncoder uses lowercase, and Botan's test vectors must
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89 // be in uppercase, so...
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90 ByteArrayOutputStream os = new ByteArrayOutputStream();
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91 h.encode(b, 0, b.length, os);
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92 String s = os.toString("US-ASCII");
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93 System.out.print(s.toUpperCase(Locale.US));
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94 }
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95
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96 private void printCArray(byte[] a) throws IOException
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97 {
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98 byte[] b = new byte[1];
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99 for (int i = 0; i < a.length; i++)
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100 {
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101 if (i > 0)
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102 System.out.print(", ");
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103 System.out.print("0x");
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104 b[0] = a[i];
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105 hexOut(b);
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106 }
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107 }
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108
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109 private void printVector(byte[] key, byte[] plaintext, byte[] ciphertext)
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110 throws IOException
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111 {
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112 if (botan_format)
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113 {
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114 hexOut(plaintext);
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115 System.out.print(":");
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116 hexOut(ciphertext);
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117 System.out.println(":\\");
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118 hexOut(key);
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119 System.out.println();
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120 }
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121 else
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122 {
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123 System.out.println(" {");
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124 System.out.println(" 16,");
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125 System.out.print(" { ");
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126 printCArray (key);
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127 System.out.println(" },");
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128 System.out.print(" { ");
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129 printCArray (plaintext);
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130 System.out.println(" },");
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131 System.out.print(" { ");
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diff changeset
132 printCArray (ciphertext);
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diff changeset
133 System.out.println(" }");
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diff changeset
134 System.out.println(" },");
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diff changeset
135 }
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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136 }
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diff changeset
137
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diff changeset
138 private KeyParameter maybe_schedule_key(byte[] key)
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diff changeset
139 {
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diff changeset
140 if (schedule_key)
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diff changeset
141 {
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diff changeset
142 noekeon.init(true, null_key);
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143 byte[] scheduled = new byte[16];
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diff changeset
144 noekeon.processBlock(key, 0, scheduled, 0);
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145 return new KeyParameter(scheduled);
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diff changeset
146 }
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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diff changeset
147 else
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148 return new KeyParameter(key);
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diff changeset
149 }
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150
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diff changeset
151 private byte[] encrypt(byte[] plaintext, byte[] key)
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152 {
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diff changeset
153 KeyParameter kp = maybe_schedule_key(key);
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154 noekeon.init(true, kp);
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diff changeset
155 byte[] ciphertext = new byte[16];
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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diff changeset
156 noekeon.processBlock(plaintext, 0, ciphertext, 0);
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parents:
diff changeset
157 return ciphertext;
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parents:
diff changeset
158 }
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diff changeset
159
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
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diff changeset
160 public NoekeonVects(long seed, boolean schedule_key, boolean botan_format)
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parents:
diff changeset
161 {
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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diff changeset
162 this.schedule_key = schedule_key;
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diff changeset
163 this.botan_format = botan_format;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 r.addSeedMaterial(seed);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
165 }
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Matt Johnston <matt@ucc.asn.au>
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diff changeset
166
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diff changeset
167 public void ecb_vectors() throws IOException
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168 {
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 for (int i = 0; i < 8; i++)
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
170 {
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
171 byte[] key = randomBytes(16);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
172 byte[] plaintext = randomBytes(16);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
173 byte[] ciphertext = encrypt(plaintext, key);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
174 printVector(key, plaintext, ciphertext);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
175 }
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
176 }
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
177
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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diff changeset
178 public void eax_vectors() throws Exception
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
179 {
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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diff changeset
180 System.out.println("EAX-noekeon (16 byte key)");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
diff changeset
181 EAXBlockCipher eax = new EAXBlockCipher(new NoekeonEngine());
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
diff changeset
182 byte[] output = new byte[48];
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
183 byte[] tag = new byte[16];
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
diff changeset
184
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
185 for (int j = 0; j < 16; j++)
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
186 tag[j] = (byte) j;
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
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diff changeset
188 for (int i = 0; i <= 32; i++)
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
189 {
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
190 byte[] header_nonce_plaintext = new byte[i];
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
191 for (int j = 0; j < i; j++)
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
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diff changeset
192 header_nonce_plaintext[j] = (byte) j;
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
193 AEADParameters params =
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
194 new AEADParameters(maybe_schedule_key(tag),
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
diff changeset
195 128,
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
196 header_nonce_plaintext,
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
197 header_nonce_plaintext);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
198 eax.init(true, params);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
199 int off = eax.processBytes(header_nonce_plaintext, 0, i,
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200 output, 0);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
201 off += eax.doFinal(output, off);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
202 if (off != i + 16)
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
203 throw new RuntimeException("didn't expect that");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204 byte[] ciphertext = new byte[i];
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205 for (int j = 0; j < i; j++)
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
206 ciphertext[j] = output[j];
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
diff changeset
207 for (int j = 0; j < 16; j++)
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
diff changeset
208 tag[j] = output[i + j];
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
diff changeset
209 System.out.print(i < 10 ? " " : " ");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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parents:
diff changeset
210 System.out.print(i);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
211 System.out.print(": ");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212 hexOut(ciphertext);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
213 System.out.print(", ");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
214 hexOut(tag);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
215 System.out.println();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
216 }
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
217 }
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
218
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
219 public static void main(String[] argv) throws Exception
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 {
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221 NoekeonVects bot = new NoekeonVects(0xdefacedbadfacadeL, true, true);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
222 NoekeonVects tom = new NoekeonVects(0xdefacedbadfacadeL, false, false);
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
223 System.out.println("# ECB vectors for indirect Noekeon, in Botan's");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
224 System.out.println("# test vector format, suitable for insertion");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
225 System.out.println("# into Botan's file checks/validate.dat");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
226 System.out.println("# Block cipher format is plaintext:ciphertext:key");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
227 bot.ecb_vectors();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
228 System.out.println();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
229 System.out.println("/* ECB vectors for direct Noekeon, as C arrays");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
230 System.out.println(" * suitable for insertion into LibTomCrypt's");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
231 System.out.println(" * noekeon_test() in src/ciphers/noekeon.c,");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
232 System.out.println(" * once LTC's PI1/PI2 bug is fixed. */");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
233 tom.ecb_vectors();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234 System.out.println();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
235 System.out.println("# EAX vectors for indirect Noekeon, in the format");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
236 System.out.println("# generated by LTC's demos/tv_gen.c and consumed");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237 System.out.println("# by Botan's doc/examples/eax_test.cpp, suitable");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238 System.out.println("# for insertion in Botan's doc/examples/eax.vec");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
239 bot.eax_vectors();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240 System.out.println();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
241 System.out.println("# EAX vectors for direct Noekeon, in the format");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
242 System.out.println("# generated by LTC's demos/tv_gen.c and consumed");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
243 System.out.println("# by Botan's doc/examples/eax_test.cpp, which");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
244 System.out.println("# should match LTC's notes/eax_tv.txt, once");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
245 System.out.println("# LTC's PI1/PI2 bug is fixed.");
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
246 tom.eax_vectors();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
247 System.out.flush();
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248 }
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
249 }