1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
package org.spongycastle.crypto.test;
import org.spongycastle.crypto.CipherParameters;
import org.spongycastle.crypto.StreamCipher;
import org.spongycastle.crypto.engines.ChaChaEngine;
import org.spongycastle.crypto.params.KeyParameter;
import org.spongycastle.crypto.params.ParametersWithIV;
import org.spongycastle.util.encoders.Hex;
import org.spongycastle.util.test.SimpleTest;
/**
* ChaCha Test
* <p>
* Test cases generated using ref version of ChaCha20 in estreambench-20080905.
*/
public class ChaChaTest
extends SimpleTest
{
byte[] zeroes = Hex.decode(
"00000000000000000000000000000000"
+ "00000000000000000000000000000000"
+ "00000000000000000000000000000000"
+ "00000000000000000000000000000000");
String set1v0_0 = "FBB87FBB8395E05DAA3B1D683C422046"
+ "F913985C2AD9B23CFC06C1D8D04FF213"
+ "D44A7A7CDB84929F915420A8A3DC58BF"
+ "0F7ECB4B1F167BB1A5E6153FDAF4493D";
String set1v0_192 = "D9485D55B8B82D792ED1EEA8E93E9BC1"
+ "E2834AD0D9B11F3477F6E106A2F6A5F2"
+ "EA8244D5B925B8050EAB038F58D4DF57"
+ "7FAFD1B89359DAE508B2B10CBD6B488E";
String set1v0_256 = "08661A35D6F02D3D9ACA8087F421F7C8"
+ "A42579047D6955D937925BA21396DDD4"
+ "74B1FC4ACCDCAA33025B4BCE817A4FBF"
+ "3E5D07D151D7E6FE04934ED466BA4779";
String set1v0_448 = "A7E16DD38BA48CCB130E5BE9740CE359"
+ "D631E91600F85C8A5D0785A612D1D987"
+ "90780ACDDC26B69AB106CCF6D866411D"
+ "10637483DBF08CC5591FD8B3C87A3AE0";
String set1v9_0 = "A276339F99316A913885A0A4BE870F06"
+ "91E72B00F1B3F2239F714FE81E88E00C"
+ "BBE52B4EBBE1EA15894E29658C4CB145"
+ "E6F89EE4ABB045A78514482CE75AFB7C";
String set1v9_192 = "0DFB9BD4F87F68DE54FBC1C6428FDEB0"
+ "63E997BE8490C9B7A4694025D6EBA2B1"
+ "5FE429DB82A7CAE6AAB22918E8D00449"
+ "6FB6291467B5AE81D4E85E81D8795EBB";
String set1v9_256 = "546F5BB315E7F71A46E56D4580F90889"
+ "639A2BA528F757CF3B048738BA141AF3"
+ "B31607CB21561BAD94721048930364F4"
+ "B1227CFEB7CDECBA881FB44903550E68";
String set1v9_448 = "6F813586E76691305A0CF048C0D8586D"
+ "C89460207D8B230CD172398AA33D19E9"
+ "2D24883C3A9B0BB7CD8C6B2668DB142E"
+ "37A97948A7A01498A21110297984CD20";
String set6v0_0 = "57459975BC46799394788DE80B928387"
+ "862985A269B9E8E77801DE9D874B3F51"
+ "AC4610B9F9BEE8CF8CACD8B5AD0BF17D"
+ "3DDF23FD7424887EB3F81405BD498CC3";
String set6v0_65472 = "EF9AEC58ACE7DB427DF012B2B91A0C1E"
+ "8E4759DCE9CDB00A2BD59207357BA06C"
+ "E02D327C7719E83D6348A6104B081DB0"
+ "3908E5186986AE41E3AE95298BB7B713";
String set6v0_65536 = "17EF5FF454D85ABBBA280F3A94F1D26E"
+ "950C7D5B05C4BB3A78326E0DC5731F83"
+ "84205C32DB867D1B476CE121A0D7074B"
+ "AA7EE90525D15300F48EC0A6624BD0AF";
String set6v1_0 = "92A2508E2C4084567195F2A1005E552B"
+ "4874EC0504A9CD5E4DAF739AB553D2E7"
+ "83D79C5BA11E0653BEBB5C116651302E"
+ "8D381CB728CA627B0B246E83942A2B99";
String set6v1_65472 = "E1974EC3063F7BD0CBA58B1CE34BC874"
+ "67AAF5759B05EA46682A5D4306E5A76B"
+ "D99A448DB8DE73AF97A73F5FBAE2C776"
+ "35040464524CF14D7F08D4CE1220FD84";
String set6v1_65536 = "BE3436141CFD62D12FF7D852F80C1344"
+ "81F152AD0235ECF8CA172C55CA8C031B"
+ "2E785D773A988CA8D4BDA6FAE0E493AA"
+ "71DCCC4C894D1F106CAC62A9FC0A9607";
// ChaCha12
String chacha12_set1v0_0 = "36CF0D56E9F7FBF287BC5460D95FBA94"
+ "AA6CBF17D74E7C784DDCF7E0E882DDAE"
+ "3B5A58243EF32B79A04575A8E2C2B73D"
+ "C64A52AA15B9F88305A8F0CA0B5A1A25";
String chacha12_set1v0_192 = "83496792AB68FEC75ADB16D3044420A4"
+ "A00A6E9ADC41C3A63DBBF317A8258C85"
+ "A9BC08B4F76B413A4837324AEDF8BC2A"
+ "67D53C9AB9E1C5BC5F379D48DF9AF730";
String chacha12_set1v0_256 = "BAA28ED593690FD760ADA07C95E3B888"
+ "4B4B64E488CA7A2D9BDC262243AB9251"
+ "394C5037E255F8BCCDCD31306C508FFB"
+ "C9E0161380F7911FCB137D46D9269250";
String chacha12_set1v0_448 = "B7ECFB6AE0B51915762FE1FD03A14D0C"
+ "9E54DA5DC76EB16EBA5313BC535DE63D"
+ "C72D7F9F1874E301E99C8531819F4E37"
+ "75793F6A5D19C717FA5C78A39EB804A6";
// ChaCha8
String chacha8_set1v0_0 = "BEB1E81E0F747E43EE51922B3E87FB38"
+ "D0163907B4ED49336032AB78B67C2457"
+ "9FE28F751BD3703E51D876C017FAA435"
+ "89E63593E03355A7D57B2366F30047C5";
String chacha8_set1v0_192 = "33B8B7CA8F8E89F0095ACE75A379C651"
+ "FD6BDD55703C90672E44C6BAB6AACDD8"
+ "7C976A87FD264B906E749429284134C2"
+ "38E3B88CF74A68245B860D119A8BDF43";
String chacha8_set1v0_256 = "F7CA95BF08688BD3BE8A27724210F9DC"
+ "16F32AF974FBFB09E9F757C577A245AB"
+ "F35F824B70A4C02CB4A8D7191FA8A5AD"
+ "6A84568743844703D353B7F00A8601F4";
String chacha8_set1v0_448 = "7B4117E8BFFD595CD8482270B08920FB"
+ "C9B97794E1809E07BB271BF07C861003"
+ "4C38DBA6ECA04E5474F399A284CBF6E2"
+ "7F70142E604D0977797DE5B58B6B25E0";
public String getName()
{
return "ChaCha";
}
public void performTest()
{
chachaTest1(20, new ParametersWithIV(new KeyParameter(Hex.decode("80000000000000000000000000000000")), Hex.decode("0000000000000000")),
set1v0_0, set1v0_192, set1v0_256, set1v0_448);
chachaTest1(20, new ParametersWithIV(new KeyParameter(Hex.decode("00400000000000000000000000000000")), Hex.decode("0000000000000000")),
set1v9_0, set1v9_192, set1v9_256, set1v9_448);
chachaTest1(12, new ParametersWithIV(new KeyParameter(Hex.decode("80000000000000000000000000000000")), Hex.decode("0000000000000000")),
chacha12_set1v0_0, chacha12_set1v0_192, chacha12_set1v0_256, chacha12_set1v0_448);
chachaTest1(8, new ParametersWithIV(new KeyParameter(Hex.decode("80000000000000000000000000000000")), Hex.decode("0000000000000000")),
chacha8_set1v0_0, chacha8_set1v0_192, chacha8_set1v0_256, chacha8_set1v0_448);
chachaTest2(new ParametersWithIV(new KeyParameter(Hex.decode("0053A6F94C9FF24598EB3E91E4378ADD3083D6297CCF2275C81B6EC11467BA0D")), Hex.decode("0D74DB42A91077DE")),
set6v0_0, set6v0_65472, set6v0_65536);
chachaTest2(new ParametersWithIV(new KeyParameter(Hex.decode("0558ABFE51A4F74A9DF04396E93C8FE23588DB2E81D4277ACD2073C6196CBF12")), Hex.decode("167DE44BB21980E7")),
set6v1_0, set6v1_65472, set6v1_65536);
reinitBug();
}
private void chachaTest1(int rounds, CipherParameters params, String v0, String v192, String v256, String v448)
{
StreamCipher chaCha = new ChaChaEngine(rounds);
byte[] buf = new byte[64];
chaCha.init(true, params);
for (int i = 0; i != 7; i++)
{
chaCha.processBytes(zeroes, 0, 64, buf, 0);
switch (i)
{
case 0:
if (!areEqual(buf, Hex.decode(v0)))
{
mismatch("v0/" + rounds, v0, buf);
}
break;
case 3:
if (!areEqual(buf, Hex.decode(v192)))
{
mismatch("v192/" + rounds, v192, buf);
}
break;
case 4:
if (!areEqual(buf, Hex.decode(v256)))
{
mismatch("v256/" + rounds, v256, buf);
}
break;
default:
// ignore
}
}
for (int i = 0; i != 64; i++)
{
buf[i] = chaCha.returnByte(zeroes[i]);
}
if (!areEqual(buf, Hex.decode(v448)))
{
mismatch("v448", v448, buf);
}
}
private void chachaTest2(CipherParameters params, String v0, String v65472, String v65536)
{
StreamCipher chaCha = new ChaChaEngine();
byte[] buf = new byte[64];
chaCha.init(true, params);
for (int i = 0; i != 1025; i++)
{
chaCha.processBytes(zeroes, 0, 64, buf, 0);
switch (i)
{
case 0:
if (!areEqual(buf, Hex.decode(v0)))
{
mismatch("v0", v0, buf);
}
break;
case 1023:
if (!areEqual(buf, Hex.decode(v65472)))
{
mismatch("v65472", v65472, buf);
}
break;
case 1024:
if (!areEqual(buf, Hex.decode(v65536)))
{
mismatch("v65536", v65536, buf);
}
break;
default:
// ignore
}
}
}
private void mismatch(String name, String expected, byte[] found)
{
fail("mismatch on " + name, expected, new String(Hex.encode(found)));
}
private void reinitBug()
{
KeyParameter key = new KeyParameter(Hex.decode("80000000000000000000000000000000"));
ParametersWithIV parameters = new ParametersWithIV(key, Hex.decode("0000000000000000"));
StreamCipher salsa = new ChaChaEngine();
salsa.init(true, parameters);
try
{
salsa.init(true, key);
fail("Salsa20 should throw exception if no IV in Init");
}
catch (IllegalArgumentException e)
{
}
}
public static void main(
String[] args)
{
runTest(new ChaChaTest());
}
}
|
