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
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
|
package org.bouncycastle.openpgp.test;
import java.io.ByteArrayInputStream;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.SecureRandom;
import java.security.Security;
import java.security.spec.ECGenParameterSpec;
import java.util.Date;
import java.util.Iterator;
import org.bouncycastle.asn1.nist.NISTNamedCurves;
import org.bouncycastle.asn1.x9.X9ECParameters;
import org.bouncycastle.bcpg.HashAlgorithmTags;
import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
import org.bouncycastle.crypto.generators.ECKeyPairGenerator;
import org.bouncycastle.crypto.params.ECKeyGenerationParameters;
import org.bouncycastle.crypto.params.ECNamedDomainParameters;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openpgp.PGPEncryptedData;
import org.bouncycastle.openpgp.PGPKeyPair;
import org.bouncycastle.openpgp.PGPKeyRingGenerator;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPSecretKey;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.PGPSignatureGenerator;
import org.bouncycastle.openpgp.PGPUtil;
import org.bouncycastle.openpgp.operator.KeyFingerPrintCalculator;
import org.bouncycastle.openpgp.operator.PGPDigestCalculator;
import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator;
import org.bouncycastle.openpgp.operator.bc.BcPBESecretKeyDecryptorBuilder;
import org.bouncycastle.openpgp.operator.bc.BcPGPContentSignerBuilder;
import org.bouncycastle.openpgp.operator.bc.BcPGPContentVerifierBuilderProvider;
import org.bouncycastle.openpgp.operator.bc.BcPGPDigestCalculatorProvider;
import org.bouncycastle.openpgp.operator.bc.BcPGPKeyPair;
import org.bouncycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPDigestCalculatorProviderBuilder;
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair;
import org.bouncycastle.openpgp.operator.jcajce.JcePBEProtectionRemoverFactory;
import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyEncryptorBuilder;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.encoders.Base64;
import org.bouncycastle.util.test.SimpleTest;
public class PGPECDSATest
extends SimpleTest
{
byte[] testPubKey =
Base64.decode(
"mFIEUb4HqBMIKoZIzj0DAQcCAwSQynmjwsGJHYJakAEVYxrm3tt/1h8g9Uksx32J" +
"zG/ZH4RwaD0PbjzEe5EVBmCwSErRZxt/5AxXa0TEHWjya8FetDVFQ0RTQSAoS2V5" +
"IGlzIDI1NiBiaXRzIGxvbmcpIDx0ZXN0LmVjZHNhQGV4YW1wbGUuY29tPoh6BBMT" +
"CAAiBQJRvgeoAhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAKCRDqO46kgPLi" +
"vN1hAP4n0UApR36ziS5D8KUt7wEpBujQE4G3+efATJ+DMmY/SgEA+wbdDynFf/V8" +
"pQs0+FtCYQ9schzIur+peRvol7OrNnc=");
byte[] testPrivKey =
Base64.decode(
"lKUEUb4HqBMIKoZIzj0DAQcCAwSQynmjwsGJHYJakAEVYxrm3tt/1h8g9Uksx32J" +
"zG/ZH4RwaD0PbjzEe5EVBmCwSErRZxt/5AxXa0TEHWjya8Fe/gcDAqTWSUiFpEno" +
"1n8izmLaWTy8GYw5/lK4R2t6D347YGgTtIiXfoNPOcosmU+3OibyTm2hc/WyG4fL" +
"a0nxFtj02j0Bt/Fw0N4VCKJwKL/QJT+0NUVDRFNBIChLZXkgaXMgMjU2IGJpdHMg" +
"bG9uZykgPHRlc3QuZWNkc2FAZXhhbXBsZS5jb20+iHoEExMIACIFAlG+B6gCGwMG" +
"CwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEOo7jqSA8uK83WEA/ifRQClHfrOJ" +
"LkPwpS3vASkG6NATgbf558BMn4MyZj9KAQD7Bt0PKcV/9XylCzT4W0JhD2xyHMi6" +
"v6l5G+iXs6s2dw==");
byte[] sExprKey =
Base64.decode(
"KDIxOnByb3RlY3RlZC1wcml2YXRlLWtleSgzOmVjYyg1OmN1cnZlMTU6YnJh"
+ "aW5wb29sUDM4NHIxKSgxOnE5NzoEi29XCqkugtlRvONnpAVMQgfecL+Gk86O"
+ "t8LnUizfHG2TqRrtqlMg1DdU8Z8dJWmhJG84IUOURCyjt8nE4BeeCfRIbTU5"
+ "7CB13OqveBdNIRfK45UQnxHLO2MPVXf4GMdtKSg5OnByb3RlY3RlZDI1Om9w"
+ "ZW5wZ3AtczJrMy1zaGExLWFlcy1jYmMoKDQ6c2hhMTg6itLEzGV4Cfg4OjEy"
+ "OTA1NDcyKTE2OgxmufENKFTZUB72+X7AwkgpMTEyOvMWNLZgaGdlTN8XCxa6"
+ "8ia0Xqqb9RvHgTh+iBf0RgY5Tx5hqO9fHOi76LTBMfxs9VC4f1rTketjEUKR"
+ "f5amKb8lrJ67kKEsny4oRtP9ejkNzcvHFqRdxmHyL10ui8M8rJN9OU8ArqWf"
+ "g22dTcKu02cpKDEyOnByb3RlY3RlZC1hdDE1OjIwMTQwNjA4VDE2MDg1MCkp"
+ "KQ==");
private void generateAndSign()
throws Exception
{
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("ECDSA", "BC");
keyGen.initialize(new ECGenParameterSpec("P-256"));
KeyPair kpSign = keyGen.generateKeyPair();
PGPKeyPair ecdsaKeyPair = new JcaPGPKeyPair(PGPPublicKey.ECDSA, kpSign, new Date());
//
// try a signature
//
PGPSignatureGenerator signGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(PGPPublicKey.ECDSA, HashAlgorithmTags.SHA256).setProvider("BC"));
signGen.init(PGPSignature.BINARY_DOCUMENT, ecdsaKeyPair.getPrivateKey());
signGen.update("hello world!".getBytes());
PGPSignature sig = signGen.generate();
sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), ecdsaKeyPair.getPublicKey());
sig.update("hello world!".getBytes());
if (!sig.verify())
{
fail("signature failed to verify!");
}
//
// generate a key ring
//
char[] passPhrase = "test".toCharArray();
PGPDigestCalculator sha1Calc = new JcaPGPDigestCalculatorProviderBuilder().build().get(HashAlgorithmTags.SHA1);
PGPKeyRingGenerator keyRingGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION, ecdsaKeyPair,
"test@bouncycastle.org", sha1Calc, null, null, new JcaPGPContentSignerBuilder(ecdsaKeyPair.getPublicKey().getAlgorithm(), HashAlgorithmTags.SHA1), new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256, sha1Calc).setProvider("BC").build(passPhrase));
PGPPublicKeyRing pubRing = keyRingGen.generatePublicKeyRing();
PGPSecretKeyRing secRing = keyRingGen.generateSecretKeyRing();
KeyFingerPrintCalculator fingerCalc = new JcaKeyFingerprintCalculator();
PGPPublicKeyRing pubRingEnc = new PGPPublicKeyRing(pubRing.getEncoded(), fingerCalc);
if (!Arrays.areEqual(pubRing.getEncoded(), pubRingEnc.getEncoded()))
{
fail("public key ring encoding failed");
}
PGPSecretKeyRing secRingEnc = new PGPSecretKeyRing(secRing.getEncoded(), fingerCalc);
if (!Arrays.areEqual(secRing.getEncoded(), secRingEnc.getEncoded()))
{
fail("secret key ring encoding failed");
}
//
// try a signature using encoded key
//
signGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(PGPPublicKey.ECDSA, HashAlgorithmTags.SHA256).setProvider("BC"));
signGen.init(PGPSignature.BINARY_DOCUMENT, secRing.getSecretKey().extractPrivateKey(new JcePBESecretKeyDecryptorBuilder().setProvider("BC").build(passPhrase)));
signGen.update("hello world!".getBytes());
sig = signGen.generate();
sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), secRing.getSecretKey().getPublicKey());
sig.update("hello world!".getBytes());
if (!sig.verify())
{
fail("re-encoded signature failed to verify!");
}
}
private void generateAndSignBC()
throws Exception
{
ECKeyPairGenerator keyGen = new ECKeyPairGenerator();
X9ECParameters x9ECParameters = NISTNamedCurves.getByName("P-256");
keyGen.init(new ECKeyGenerationParameters(new ECNamedDomainParameters(NISTNamedCurves.getOID("P-256"), x9ECParameters.getCurve(), x9ECParameters.getG(), x9ECParameters.getN()), new SecureRandom()));
AsymmetricCipherKeyPair kpEnc = keyGen.generateKeyPair();
PGPKeyPair ecdsaKeyPair = new BcPGPKeyPair(PGPPublicKey.ECDSA, kpEnc, new Date());
//
// try a signature
//
PGPSignatureGenerator signGen = new PGPSignatureGenerator(new BcPGPContentSignerBuilder(PGPPublicKey.ECDSA, HashAlgorithmTags.SHA256));
signGen.init(PGPSignature.BINARY_DOCUMENT, ecdsaKeyPair.getPrivateKey());
signGen.update("hello world!".getBytes());
PGPSignature sig = signGen.generate();
sig.init(new BcPGPContentVerifierBuilderProvider(), ecdsaKeyPair.getPublicKey());
sig.update("hello world!".getBytes());
if (!sig.verify())
{
fail("signature failed to verify!");
}
//
// generate a key ring
//
char[] passPhrase = "test".toCharArray();
PGPDigestCalculator sha1Calc = new BcPGPDigestCalculatorProvider().get(HashAlgorithmTags.SHA1);
PGPKeyRingGenerator keyRingGen = new PGPKeyRingGenerator(PGPSignature.POSITIVE_CERTIFICATION, ecdsaKeyPair,
"test@bouncycastle.org", sha1Calc, null, null, new BcPGPContentSignerBuilder(ecdsaKeyPair.getPublicKey().getAlgorithm(), HashAlgorithmTags.SHA1), new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256, sha1Calc).setProvider("BC").build(passPhrase));
PGPPublicKeyRing pubRing = keyRingGen.generatePublicKeyRing();
PGPSecretKeyRing secRing = keyRingGen.generateSecretKeyRing();
KeyFingerPrintCalculator fingerCalc = new BcKeyFingerprintCalculator();
PGPPublicKeyRing pubRingEnc = new PGPPublicKeyRing(pubRing.getEncoded(), fingerCalc);
if (!Arrays.areEqual(pubRing.getEncoded(), pubRingEnc.getEncoded()))
{
fail("public key ring encoding failed");
}
PGPSecretKeyRing secRingEnc = new PGPSecretKeyRing(secRing.getEncoded(), fingerCalc);
if (!Arrays.areEqual(secRing.getEncoded(), secRingEnc.getEncoded()))
{
fail("secret key ring encoding failed");
}
//
// try a signature using encoded key
//
signGen = new PGPSignatureGenerator(new BcPGPContentSignerBuilder(PGPPublicKey.ECDSA, HashAlgorithmTags.SHA256));
signGen.init(PGPSignature.BINARY_DOCUMENT, secRing.getSecretKey().extractPrivateKey(new BcPBESecretKeyDecryptorBuilder(new BcPGPDigestCalculatorProvider()).build(passPhrase)));
signGen.update("hello world!".getBytes());
sig = signGen.generate();
sig.init(new BcPGPContentVerifierBuilderProvider(), secRing.getSecretKey().getPublicKey());
sig.update("hello world!".getBytes());
if (!sig.verify())
{
fail("re-encoded signature failed to verify!");
}
}
public void performTest()
throws Exception
{
PGPUtil.setDefaultProvider("BC");
//
// Read the public key
//
PGPPublicKeyRing pubKeyRing = new PGPPublicKeyRing(testPubKey, new JcaKeyFingerprintCalculator());
for (Iterator it = pubKeyRing.getPublicKey().getSignatures(); it.hasNext();)
{
PGPSignature certification = (PGPSignature)it.next();
certification.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), pubKeyRing.getPublicKey());
if (!certification.verifyCertification((String)pubKeyRing.getPublicKey().getUserIDs().next(), pubKeyRing.getPublicKey()))
{
fail("self certification does not verify");
}
}
//
// Read the private key
//
PGPSecretKeyRing secretKeyRing = new PGPSecretKeyRing(testPrivKey, new JcaKeyFingerprintCalculator());
generateAndSign();
generateAndSignBC();
//
// sExpr
//
PGPSecretKey key = PGPSecretKey.parseSecretKeyFromSExpr(new ByteArrayInputStream(sExprKey), new JcePBEProtectionRemoverFactory("test".toCharArray()), new JcaKeyFingerprintCalculator());
PGPSignatureGenerator signGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(PGPPublicKey.ECDSA, HashAlgorithmTags.SHA256).setProvider("BC"));
signGen.init(PGPSignature.BINARY_DOCUMENT, key.extractPrivateKey(null));
signGen.update("hello world!".getBytes());
PGPSignature sig = signGen.generate();
sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), key.getPublicKey());
sig.update("hello world!".getBytes());
if (!sig.verify())
{
fail("signature failed to verify!");
}
}
public String getName()
{
return "PGPECDSATest";
}
public static void main(
String[] args)
{
Security.addProvider(new BouncyCastleProvider());
runTest(new PGPECDSATest());
}
}
|
