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
|
package cz.crcs.ectester.standalone.libs.jni;
import java.security.*;
import java.security.spec.AlgorithmParameterSpec;
/**
* @author Jan Jancar johny@neuromancer.sk
*/
public abstract class NativeKeyPairGeneratorSpi extends KeyPairGeneratorSpi {
private int keysize;
private SecureRandom random;
private AlgorithmParameterSpec params;
private boolean useKeysize;
private boolean useParams;
public static final int DEFAULT_KEYSIZE = 256;
@Override
public void initialize(int keysize, SecureRandom random) {
if (!keysizeSupported(keysize)) {
throw new InvalidParameterException("Keysize " + keysize + " not supported.");
}
this.keysize = keysize;
this.random = random;
this.useKeysize = true;
this.useParams = false;
}
@Override
public void initialize(AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException {
if (!paramsSupported(params)) {
throw new InvalidAlgorithmParameterException("Not supported.");
}
this.params = params;
this.random = random;
this.useParams = true;
this.useKeysize = false;
}
@Override
public KeyPair generateKeyPair() {
if (!useKeysize && !useParams) {
if (keysizeSupported(DEFAULT_KEYSIZE)) {
initialize(DEFAULT_KEYSIZE, new SecureRandom());
}
}
if (useKeysize) {
return generate(keysize, random);
} else if (useParams) {
return generate(params, random);
} else {
throw new IllegalStateException("Uninitialized KeyPair.");
}
}
abstract boolean keysizeSupported(int keysize);
abstract boolean paramsSupported(AlgorithmParameterSpec params);
abstract KeyPair generate(int keysize, SecureRandom random);
abstract KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
public static class TomCrypt extends NativeKeyPairGeneratorSpi {
public TomCrypt() {
}
@Override
native boolean keysizeSupported(int keysize);
@Override
native boolean paramsSupported(AlgorithmParameterSpec params);
@Override
native KeyPair generate(int keysize, SecureRandom random);
@Override
native KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
}
public static abstract class Botan extends NativeKeyPairGeneratorSpi {
private String type;
public Botan(String type) {
this.type = type;
}
@Override
native boolean keysizeSupported(int keysize);
@Override
native boolean paramsSupported(AlgorithmParameterSpec params);
@Override
native KeyPair generate(int keysize, SecureRandom random);
@Override
native KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
}
public static class BotanECDH extends Botan {
public BotanECDH() {
super("ECDH");
}
}
public static class BotanECDSA extends Botan {
public BotanECDSA() {
super("ECDSA");
}
}
public static class BotanECKCDSA extends Botan {
public BotanECKCDSA() {
super("ECKCDSA");
}
}
public static class BotanECGDSA extends Botan {
public BotanECGDSA() {
super("ECGDSA");
}
}
public static abstract class Cryptopp extends NativeKeyPairGeneratorSpi {
private String type;
public Cryptopp(String type) {
this.type = type;
}
@Override
native boolean keysizeSupported(int keysize);
@Override
native boolean paramsSupported(AlgorithmParameterSpec params);
@Override
native KeyPair generate(int keysize, SecureRandom random);
@Override
native KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
}
public static class CryptoppECDH extends Cryptopp {
public CryptoppECDH() {
super("ECDH");
}
}
public static class CryptoppECDSA extends Cryptopp {
public CryptoppECDSA() {
super("ECDSA");
}
}
public static class Openssl extends NativeKeyPairGeneratorSpi {
public Openssl() {
initialize(256, new SecureRandom());
}
@Override
native boolean keysizeSupported(int keysize);
@Override
native boolean paramsSupported(AlgorithmParameterSpec params);
@Override
native KeyPair generate(int keysize, SecureRandom random);
@Override
native KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
}
public static class Boringssl extends NativeKeyPairGeneratorSpi {
public Boringssl() {
initialize(256, new SecureRandom());
}
@Override
native boolean keysizeSupported(int keysize);
@Override
native boolean paramsSupported(AlgorithmParameterSpec params);
@Override
native KeyPair generate(int keysize, SecureRandom random);
@Override
native KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
}
public static abstract class Mscng extends NativeKeyPairGeneratorSpi {
private String type;
public Mscng(String type) {
this.type = type;
}
@Override
native boolean keysizeSupported(int keysize);
@Override
native boolean paramsSupported(AlgorithmParameterSpec params);
@Override
native KeyPair generate(int keysize, SecureRandom random);
@Override
native KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
}
public static class MscngECDH extends Mscng {
public MscngECDH() {
super("ECDH");
}
}
public static class MscngECDSA extends Mscng {
public MscngECDSA() {
super("ECDSA");
}
}
}
|
