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
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
|
package cz.crcs.ectester.reader;
import cz.crcs.ectester.applet.ECTesterApplet;
import cz.crcs.ectester.applet.EC_Consts;
import cz.crcs.ectester.data.EC_Store;
import cz.crcs.ectester.reader.ec.*;
import javacard.security.KeyPair;
import javax.smartcardio.CardException;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
/**
* @author Jan Jancar johny@neuromancer.sk
*/
public abstract class TestSuite {
EC_Store dataStore;
ECTester.Config cfg;
String name;
boolean hasRun;
List<Test> tests = new LinkedList<>();
TestSuite(EC_Store dataStore, ECTester.Config cfg, String name) {
this.dataStore = dataStore;
this.cfg = cfg;
this.name = name;
}
public List<Test> run(CardMngr cardManager) throws IOException, CardException {
for (Test t : tests) {
t.run();
System.out.println(t);
}
hasRun = true;
return tests;
}
public List<Test> getTests() {
return Collections.unmodifiableList(tests);
}
public boolean hasRun() {
return hasRun;
}
public String getName() {
return name;
}
/**
* @return
* @throws IOException if an IO error occurs when writing to key file.
*/
List<Command> testCurve(CardMngr cardManager) throws IOException {
List<Command> commands = new LinkedList<>();
commands.add(new Command.Generate(cardManager, ECTesterApplet.KEYPAIR_BOTH));
commands.add(new Command.ECDH(cardManager, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.EXPORT_FALSE, EC_Consts.CORRUPTION_NONE, EC_Consts.KA_ECDH));
commands.add(new Command.ECDH(cardManager, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.EXPORT_FALSE, EC_Consts.CORRUPTION_ONE, EC_Consts.KA_ECDH));
commands.add(new Command.ECDH(cardManager, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.EXPORT_FALSE, EC_Consts.CORRUPTION_ZERO, EC_Consts.KA_ECDH));
commands.add(new Command.ECDH(cardManager, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.EXPORT_FALSE, EC_Consts.CORRUPTION_MAX, EC_Consts.KA_ECDH));
commands.add(new Command.ECDH(cardManager, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.EXPORT_FALSE, EC_Consts.CORRUPTION_FULLRANDOM, EC_Consts.KA_ECDH));
commands.add(new Command.ECDSA(cardManager, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.EXPORT_FALSE, null));
return commands;
}
/**
* @param category
* @param field
* @return
* @throws IOException if an IO error occurs when writing to key file.
*/
List<Command> testCurves(CardMngr cardManager, String category, byte field) throws IOException {
List<Command> commands = new LinkedList<>();
Map<String, EC_Curve> curves = dataStore.getObjects(EC_Curve.class, category);
if (curves == null)
return commands;
for (Map.Entry<String, EC_Curve> entry : curves.entrySet()) {
EC_Curve curve = entry.getValue();
if (curve.getField() == field && (curve.getBits() == cfg.bits || cfg.all)) {
commands.add(new Command.Allocate(cardManager, ECTesterApplet.KEYPAIR_BOTH, curve.getBits(), field));
commands.add(new Command.Set(cardManager, ECTesterApplet.KEYPAIR_BOTH, EC_Consts.CURVE_external, curve.getParams(), curve.flatten()));
commands.addAll(testCurve(cardManager));
commands.add(new Command.Cleanup(cardManager));
}
}
return commands;
}
public static class Default extends TestSuite {
public Default(EC_Store dataStore, ECTester.Config cfg) {
super(dataStore, cfg, "default");
}
@Override
public List<Test> run(CardMngr cardManager) throws IOException, CardException {
//TODO: Convert TestSuire.Default to Tests
List<Command> commands = new LinkedList<>();
commands.add(new Command.Support(cardManager));
if (cfg.namedCurve != null) {
if (cfg.primeField) {
commands.addAll(testCurves(cardManager, cfg.namedCurve, KeyPair.ALG_EC_FP));
}
if (cfg.binaryField) {
commands.addAll(testCurves(cardManager, cfg.namedCurve, KeyPair.ALG_EC_F2M));
}
} else {
if (cfg.all) {
if (cfg.primeField) {
//iterate over prime curve sizes used: EC_Consts.FP_SIZES
for (short keyLength : EC_Consts.FP_SIZES) {
commands.add(new Command.Allocate(cardManager, ECTesterApplet.KEYPAIR_BOTH, keyLength, KeyPair.ALG_EC_FP));
commands.addAll(Command.prepareCurve(cardManager, dataStore, cfg, ECTesterApplet.KEYPAIR_BOTH, keyLength, KeyPair.ALG_EC_FP));
commands.addAll(testCurve(cardManager));
commands.add(new Command.Cleanup(cardManager));
}
}
if (cfg.binaryField) {
//iterate over binary curve sizes used: EC_Consts.F2M_SIZES
for (short keyLength : EC_Consts.F2M_SIZES) {
commands.add(new Command.Allocate(cardManager, ECTesterApplet.KEYPAIR_BOTH, keyLength, KeyPair.ALG_EC_F2M));
commands.addAll(Command.prepareCurve(cardManager, dataStore, cfg, ECTesterApplet.KEYPAIR_BOTH, keyLength, KeyPair.ALG_EC_F2M));
commands.addAll(testCurve(cardManager));
commands.add(new Command.Cleanup(cardManager));
}
}
} else {
if (cfg.primeField) {
commands.add(new Command.Allocate(cardManager, ECTesterApplet.KEYPAIR_BOTH, (short) cfg.bits, KeyPair.ALG_EC_FP));
commands.addAll(Command.prepareCurve(cardManager, dataStore, cfg, ECTesterApplet.KEYPAIR_BOTH, (short) cfg.bits, KeyPair.ALG_EC_FP));
commands.addAll(testCurve(cardManager));
commands.add(new Command.Cleanup(cardManager));
}
if (cfg.binaryField) {
commands.add(new Command.Allocate(cardManager, ECTesterApplet.KEYPAIR_BOTH, (short) cfg.bits, KeyPair.ALG_EC_F2M));
commands.addAll(Command.prepareCurve(cardManager, dataStore, cfg, ECTesterApplet.KEYPAIR_BOTH, (short) cfg.bits, KeyPair.ALG_EC_F2M));
commands.addAll(testCurve(cardManager));
commands.add(new Command.Cleanup(cardManager));
}
}
}
List<Response> test = Command.sendAll(commands);
System.out.println(Response.toString(test));
return null;
}
}
public static class TestVectors extends TestSuite {
public TestVectors(EC_Store dataStore, ECTester.Config cfg) {
super(dataStore, cfg, "test");
}
@Override
public List<Test> run(CardMngr cardManager) throws IOException, CardException {
/* Set original curves (secg/nist/brainpool). Set keypairs from test vectors.
* Do ECDH both ways, export and verify that the result is correct.
*/
Map<String, EC_KAResult> results = dataStore.getObjects(EC_KAResult.class, "test");
for (EC_KAResult result : results.values()) {
EC_Curve curve = dataStore.getObject(EC_Curve.class, result.getCurve());
if (cfg.namedCurve != null && !(result.getCurve().startsWith(cfg.namedCurve) || result.getCurve().equals(cfg.namedCurve))) {
continue;
}
if (curve.getBits() != cfg.bits && !cfg.all) {
continue;
}
EC_Params onekey = dataStore.getObject(EC_Keypair.class, result.getOneKey());
if (onekey == null) {
onekey = dataStore.getObject(EC_Key.Private.class, result.getOneKey());
}
EC_Params otherkey = dataStore.getObject(EC_Keypair.class, result.getOtherKey());
if (otherkey == null) {
otherkey = dataStore.getObject(EC_Key.Public.class, result.getOtherKey());
}
if (onekey == null || otherkey == null) {
throw new IOException("Test vector keys couldn't be located.");
}
tests.add(new Test(new Command.Allocate(cardManager, ECTesterApplet.KEYPAIR_BOTH, curve.getBits(), curve.getField()), Test.Result.SUCCESS));
tests.add(new Test(new Command.Set(cardManager, ECTesterApplet.KEYPAIR_BOTH, EC_Consts.CURVE_external, curve.getParams(), curve.flatten()), Test.Result.SUCCESS));
//tests.add(new Test(new Command.Generate(cardManager, ECTesterApplet.KEYPAIR_BOTH), Test.Result.SUCCESS));
tests.add(new Test(new Command.Set(cardManager, ECTesterApplet.KEYPAIR_LOCAL, EC_Consts.CURVE_external, EC_Consts.PARAMETER_S, onekey.flatten(EC_Consts.PARAMETER_S)), Test.Result.SUCCESS));
tests.add(new Test(new Command.Set(cardManager, ECTesterApplet.KEYPAIR_REMOTE, EC_Consts.CURVE_external, EC_Consts.PARAMETER_W, otherkey.flatten(EC_Consts.PARAMETER_W)), Test.Result.SUCCESS));
tests.add(new Test(new Command.ECDH(cardManager, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.EXPORT_TRUE, EC_Consts.CORRUPTION_NONE, result.getKA()), Test.Result.SUCCESS, (command, response) -> {
Response.ECDH dh = (Response.ECDH) response;
if (!dh.successful() || !dh.hasSecret())
return Test.Result.FAILURE;
if (!Util.compareBytes(dh.getSecret(), 0, result.getParam(0), 0, dh.secretLength())) {
return Test.Result.FAILURE;
}
return Test.Result.SUCCESS;
}));
tests.add(new Test(new Command.Cleanup(cardManager), Test.Result.ANY));
}
return super.run(cardManager);
}
}
public static class NonPrime extends TestSuite {
public NonPrime(EC_Store dataStore, ECTester.Config cfg) {
super(dataStore, cfg, "nonprime");
}
@Override
public List<Test> run(CardMngr cardManager) throws IOException, CardException {
/* Do the default tests with the public keys set to provided smallorder keys
* over non-prime order curves. Essentially small subgroup attacks.
* These should fail, the curves aren't safe so that if the computation with
* a small order public key succeeds the private key modulo the public key order
* is revealed.
*/
Map<String, EC_Key> keys = dataStore.getObjects(EC_Key.class, "nonprime");
for (EC_Key key : keys.values()) {
EC_Curve curve = dataStore.getObject(EC_Curve.class, key.getCurve());
if ((curve.getBits() == cfg.bits || cfg.all)) {
tests.add(new Test(new Command.Allocate(cardManager, ECTesterApplet.KEYPAIR_BOTH, curve.getBits(), curve.getField()), Test.Result.SUCCESS));
tests.add(new Test(new Command.Set(cardManager, ECTesterApplet.KEYPAIR_BOTH, EC_Consts.CURVE_external, curve.getParams(), curve.flatten()), Test.Result.ANY));
tests.add(new Test(new Command.Generate(cardManager, ECTesterApplet.KEYPAIR_LOCAL), Test.Result.ANY));
tests.add(new Test(new Command.Set(cardManager, ECTesterApplet.KEYPAIR_REMOTE, EC_Consts.CURVE_external, key.getParams(), key.flatten()), Test.Result.ANY));
tests.add(new Test(new Command.ECDH(cardManager, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.EXPORT_FALSE, EC_Consts.CORRUPTION_NONE, EC_Consts.KA_ECDH), Test.Result.FAILURE));
tests.add(new Test(new Command.Cleanup(cardManager), Test.Result.ANY));
}
}
return super.run(cardManager);
}
}
public static class Invalid extends TestSuite {
public Invalid(EC_Store dataStore, ECTester.Config cfg) {
super(dataStore, cfg, "invalid");
}
@Override
public List<Test> run(CardMngr cardManager) throws IOException, CardException {
/* Set original curves (secg/nist/brainpool). Generate local.
* Try ECDH with invalid public keys of increasing (or decreasing) order.
*/
Map<String, EC_Key.Public> pubkeys = dataStore.getObjects(EC_Key.Public.class, "invalid");
for (EC_Key.Public key : pubkeys.values()) {
EC_Curve curve = dataStore.getObject(EC_Curve.class, key.getCurve());
if (cfg.namedCurve != null && !(key.getCurve().startsWith(cfg.namedCurve) || key.getCurve().equals(cfg.namedCurve))) {
continue;
}
if (curve.getBits() != cfg.bits && !cfg.all) {
continue;
}
tests.add(new Test(new Command.Allocate(cardManager, ECTesterApplet.KEYPAIR_BOTH, curve.getBits(), curve.getField()), Test.Result.SUCCESS));
tests.add(new Test(new Command.Set(cardManager, ECTesterApplet.KEYPAIR_BOTH, EC_Consts.CURVE_external, curve.getParams(), curve.flatten()), Test.Result.SUCCESS));
tests.add(new Test(new Command.Generate(cardManager, ECTesterApplet.KEYPAIR_LOCAL), Test.Result.SUCCESS));
tests.add(new Test(new Command.Set(cardManager, ECTesterApplet.KEYPAIR_REMOTE, EC_Consts.CURVE_external, key.getParams(), key.flatten()), Test.Result.ANY));
tests.add(new Test(new Command.ECDH(cardManager, ECTesterApplet.KEYPAIR_REMOTE, ECTesterApplet.KEYPAIR_LOCAL, ECTesterApplet.EXPORT_FALSE, EC_Consts.CORRUPTION_NONE, EC_Consts.KA_BOTH), Test.Result.FAILURE));
tests.add(new Test(new Command.Cleanup(cardManager), Test.Result.ANY));
}
return super.run(cardManager);
}
}
public static class Wrong extends TestSuite {
public Wrong(EC_Store dataStore, ECTester.Config cfg) {
super(dataStore, cfg, "wrong");
}
@Override
public List<Test> run(CardMngr cardManager) throws IOException, CardException {
/* Just do the default tests on the wrong curves.
* These should generally fail, the curves aren't curves.
*/
//TODO: Convert TestSuire.Wrong to Tests
List<Command> commands = new LinkedList<>();
if (cfg.primeField) {
commands.addAll(testCurves(cardManager, cfg.testSuite, KeyPair.ALG_EC_FP));
}
if (cfg.binaryField) {
commands.addAll(testCurves(cardManager, cfg.testSuite, KeyPair.ALG_EC_F2M));
}
List<Response> test = Command.sendAll(commands);
System.out.println(Response.toString(test));
return null;
}
}
}
|
