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Viewing changes to src/org/bouncycastle/asn1/x9/X962NamedCurves.java

  • Committer: Brian Thomason
  • Date: 2011-12-20 17:20:32 UTC
  • Revision ID: brian.thomason@canonical.com-20111220172032-rdtm13jgdxtksacr
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src/org/bouncycastle/asn1/x9/X962NamedCurves.java
 
1
package org.bouncycastle.asn1.x9;
 
2
 
 
3
import org.bouncycastle.asn1.DERObjectIdentifier;
 
4
import org.bouncycastle.math.ec.ECCurve;
 
5
import org.bouncycastle.util.Strings;
 
6
import org.bouncycastle.util.encoders.Hex;
 
7
 
 
8
import java.math.BigInteger;
 
9
import java.util.Enumeration;
 
10
import java.util.Hashtable;
 
11
 
 
12
 
 
13
/**
 
14
 * table of the current named curves defined in X.962 EC-DSA.
 
15
 */
 
16
public class X962NamedCurves
 
17
{
 
18
    static X9ECParametersHolder prime192v1 = new X9ECParametersHolder()
 
19
    {
 
20
        protected X9ECParameters createParameters()
 
21
        {
 
22
            ECCurve cFp192v1 = new ECCurve.Fp(
 
23
                new BigInteger("6277101735386680763835789423207666416083908700390324961279"),
 
24
                new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16),
 
25
                new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16));
 
26
 
 
27
            return new X9ECParameters(
 
28
                cFp192v1,
 
29
                cFp192v1.decodePoint(
 
30
                    Hex.decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")),
 
31
                new BigInteger("ffffffffffffffffffffffff99def836146bc9b1b4d22831", 16),
 
32
                BigInteger.valueOf(1),
 
33
                Hex.decode("3045AE6FC8422f64ED579528D38120EAE12196D5"));
 
34
        }
 
35
    };
 
36
 
 
37
    static X9ECParametersHolder prime192v2 = new X9ECParametersHolder()
 
38
    {
 
39
        protected X9ECParameters createParameters()
 
40
        {
 
41
            ECCurve cFp192v2 = new ECCurve.Fp(
 
42
                new BigInteger("6277101735386680763835789423207666416083908700390324961279"),
 
43
                new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16),
 
44
                new BigInteger("cc22d6dfb95c6b25e49c0d6364a4e5980c393aa21668d953", 16));
 
45
 
 
46
            return new X9ECParameters(
 
47
                cFp192v2,
 
48
                cFp192v2.decodePoint(
 
49
                    Hex.decode("03eea2bae7e1497842f2de7769cfe9c989c072ad696f48034a")),
 
50
                new BigInteger("fffffffffffffffffffffffe5fb1a724dc80418648d8dd31", 16),
 
51
                BigInteger.valueOf(1),
 
52
                Hex.decode("31a92ee2029fd10d901b113e990710f0d21ac6b6"));
 
53
        }
 
54
    };
 
55
 
 
56
    static X9ECParametersHolder prime192v3 = new X9ECParametersHolder()
 
57
    {
 
58
        protected X9ECParameters createParameters()
 
59
        {
 
60
            ECCurve cFp192v3 = new ECCurve.Fp(
 
61
                new BigInteger("6277101735386680763835789423207666416083908700390324961279"),
 
62
                new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16),
 
63
                new BigInteger("22123dc2395a05caa7423daeccc94760a7d462256bd56916", 16));
 
64
 
 
65
            return new X9ECParameters(
 
66
                cFp192v3,
 
67
                cFp192v3.decodePoint(
 
68
                    Hex.decode("027d29778100c65a1da1783716588dce2b8b4aee8e228f1896")),
 
69
                new BigInteger("ffffffffffffffffffffffff7a62d031c83f4294f640ec13", 16),
 
70
                BigInteger.valueOf(1),
 
71
                Hex.decode("c469684435deb378c4b65ca9591e2a5763059a2e"));
 
72
        }
 
73
    };
 
74
 
 
75
    static X9ECParametersHolder prime239v1 = new X9ECParametersHolder()
 
76
    {
 
77
        protected X9ECParameters createParameters()
 
78
        {
 
79
            ECCurve cFp239v1 = new ECCurve.Fp(
 
80
                new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"),
 
81
                new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16),
 
82
                new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16));
 
83
 
 
84
            return new X9ECParameters(
 
85
                cFp239v1,
 
86
                cFp239v1.decodePoint(
 
87
                    Hex.decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")),
 
88
                new BigInteger("7fffffffffffffffffffffff7fffff9e5e9a9f5d9071fbd1522688909d0b", 16),
 
89
                BigInteger.valueOf(1),
 
90
                Hex.decode("e43bb460f0b80cc0c0b075798e948060f8321b7d"));
 
91
        }
 
92
    };
 
93
 
 
94
    static X9ECParametersHolder prime239v2 = new X9ECParametersHolder()
 
95
    {
 
96
        protected X9ECParameters createParameters()
 
97
        {
 
98
            ECCurve cFp239v2 = new ECCurve.Fp(
 
99
                new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"),
 
100
                new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16),
 
101
                new BigInteger("617fab6832576cbbfed50d99f0249c3fee58b94ba0038c7ae84c8c832f2c", 16));
 
102
 
 
103
            return new X9ECParameters(
 
104
                cFp239v2,
 
105
                cFp239v2.decodePoint(
 
106
                    Hex.decode("0238af09d98727705120c921bb5e9e26296a3cdcf2f35757a0eafd87b830e7")),
 
107
                new BigInteger("7fffffffffffffffffffffff800000cfa7e8594377d414c03821bc582063", 16),
 
108
                BigInteger.valueOf(1),
 
109
                Hex.decode("e8b4011604095303ca3b8099982be09fcb9ae616"));
 
110
        }
 
111
    };
 
112
 
 
113
    static X9ECParametersHolder prime239v3 = new X9ECParametersHolder()
 
114
    {
 
115
        protected X9ECParameters createParameters()
 
116
        {
 
117
            ECCurve cFp239v3 = new ECCurve.Fp(
 
118
                new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"),
 
119
                new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16),
 
120
                new BigInteger("255705fa2a306654b1f4cb03d6a750a30c250102d4988717d9ba15ab6d3e", 16));
 
121
 
 
122
            return new X9ECParameters(
 
123
                cFp239v3,
 
124
                cFp239v3.decodePoint(
 
125
                    Hex.decode("036768ae8e18bb92cfcf005c949aa2c6d94853d0e660bbf854b1c9505fe95a")),
 
126
                new BigInteger("7fffffffffffffffffffffff7fffff975deb41b3a6057c3c432146526551", 16),
 
127
                BigInteger.valueOf(1),
 
128
                Hex.decode("7d7374168ffe3471b60a857686a19475d3bfa2ff"));
 
129
        }
 
130
    };
 
131
 
 
132
    static X9ECParametersHolder prime256v1 = new X9ECParametersHolder()
 
133
    {
 
134
        protected X9ECParameters createParameters()
 
135
        {
 
136
            ECCurve cFp256v1 = new ECCurve.Fp(
 
137
                new BigInteger("115792089210356248762697446949407573530086143415290314195533631308867097853951"),
 
138
                new BigInteger("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", 16),
 
139
                new BigInteger("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", 16));
 
140
 
 
141
            return new X9ECParameters(
 
142
                cFp256v1,
 
143
                cFp256v1.decodePoint(
 
144
                    Hex.decode("036b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296")),
 
145
                new BigInteger("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", 16),
 
146
                BigInteger.valueOf(1),
 
147
                Hex.decode("c49d360886e704936a6678e1139d26b7819f7e90"));
 
148
        }
 
149
    };
 
150
 
 
151
    /*
 
152
     * F2m Curves
 
153
     */
 
154
    static X9ECParametersHolder c2pnb163v1 = new X9ECParametersHolder()
 
155
    {
 
156
        protected X9ECParameters createParameters()
 
157
        {
 
158
            BigInteger c2m163v1n = new BigInteger("0400000000000000000001E60FC8821CC74DAEAFC1", 16);
 
159
            BigInteger c2m163v1h = BigInteger.valueOf(2);
 
160
 
 
161
            ECCurve c2m163v1 = new ECCurve.F2m(
 
162
                163,
 
163
                1, 2, 8,
 
164
                new BigInteger("072546B5435234A422E0789675F432C89435DE5242", 16),
 
165
                new BigInteger("00C9517D06D5240D3CFF38C74B20B6CD4D6F9DD4D9", 16),
 
166
                c2m163v1n, c2m163v1h);
 
167
 
 
168
            return new X9ECParameters(
 
169
                c2m163v1,
 
170
                c2m163v1.decodePoint(
 
171
                    Hex.decode("0307AF69989546103D79329FCC3D74880F33BBE803CB")),
 
172
                c2m163v1n, c2m163v1h,
 
173
                Hex.decode("D2COFB15760860DEF1EEF4D696E6768756151754"));
 
174
        }
 
175
    };
 
176
 
 
177
    static X9ECParametersHolder c2pnb163v2 = new X9ECParametersHolder()
 
178
    {
 
179
        protected X9ECParameters createParameters()
 
180
        {
 
181
            BigInteger c2m163v2n = new BigInteger("03FFFFFFFFFFFFFFFFFFFDF64DE1151ADBB78F10A7", 16);
 
182
            BigInteger c2m163v2h = BigInteger.valueOf(2);
 
183
 
 
184
            ECCurve c2m163v2 = new ECCurve.F2m(
 
185
                163,
 
186
                1, 2, 8,
 
187
                new BigInteger("0108B39E77C4B108BED981ED0E890E117C511CF072", 16),
 
188
                new BigInteger("0667ACEB38AF4E488C407433FFAE4F1C811638DF20", 16),
 
189
                c2m163v2n, c2m163v2h);
 
190
 
 
191
            return new X9ECParameters(
 
192
                c2m163v2,
 
193
                c2m163v2.decodePoint(
 
194
                    Hex.decode("030024266E4EB5106D0A964D92C4860E2671DB9B6CC5")),
 
195
                c2m163v2n, c2m163v2h,
 
196
                null);
 
197
        }
 
198
    };
 
199
 
 
200
    static X9ECParametersHolder c2pnb163v3 = new X9ECParametersHolder()
 
201
    {
 
202
        protected X9ECParameters createParameters()
 
203
        {
 
204
            BigInteger c2m163v3n = new BigInteger("03FFFFFFFFFFFFFFFFFFFE1AEE140F110AFF961309", 16);
 
205
            BigInteger c2m163v3h = BigInteger.valueOf(2);
 
206
 
 
207
            ECCurve c2m163v3 = new ECCurve.F2m(
 
208
                163,
 
209
                1, 2, 8,
 
210
                new BigInteger("07A526C63D3E25A256A007699F5447E32AE456B50E", 16),
 
211
                new BigInteger("03F7061798EB99E238FD6F1BF95B48FEEB4854252B", 16),
 
212
                c2m163v3n, c2m163v3h);
 
213
 
 
214
            return new X9ECParameters(
 
215
                c2m163v3,
 
216
                c2m163v3.decodePoint(
 
217
                    Hex.decode("0202F9F87B7C574D0BDECF8A22E6524775F98CDEBDCB")),
 
218
                c2m163v3n, c2m163v3h,
 
219
                null);
 
220
        }
 
221
    };
 
222
 
 
223
    static X9ECParametersHolder c2pnb176w1 = new X9ECParametersHolder()
 
224
    {
 
225
        protected X9ECParameters createParameters()
 
226
        {
 
227
            BigInteger c2m176w1n = new BigInteger("010092537397ECA4F6145799D62B0A19CE06FE26AD", 16);
 
228
            BigInteger c2m176w1h = BigInteger.valueOf(0xFF6E);
 
229
 
 
230
            ECCurve c2m176w1 = new ECCurve.F2m(
 
231
                176,
 
232
                1, 2, 43,
 
233
                new BigInteger("00E4E6DB2995065C407D9D39B8D0967B96704BA8E9C90B", 16),
 
234
                new BigInteger("005DDA470ABE6414DE8EC133AE28E9BBD7FCEC0AE0FFF2", 16),
 
235
                c2m176w1n, c2m176w1h);
 
236
 
 
237
            return new X9ECParameters(
 
238
                c2m176w1,
 
239
                c2m176w1.decodePoint(
 
240
                    Hex.decode("038D16C2866798B600F9F08BB4A8E860F3298CE04A5798")),
 
241
                c2m176w1n, c2m176w1h,
 
242
                null);
 
243
        }
 
244
    };
 
245
 
 
246
    static X9ECParametersHolder c2tnb191v1 = new X9ECParametersHolder()
 
247
    {
 
248
        protected X9ECParameters createParameters()
 
249
        {
 
250
            BigInteger c2m191v1n = new BigInteger("40000000000000000000000004A20E90C39067C893BBB9A5", 16);
 
251
            BigInteger c2m191v1h = BigInteger.valueOf(2);
 
252
 
 
253
            ECCurve c2m191v1 = new ECCurve.F2m(
 
254
                191,
 
255
                9,
 
256
                new BigInteger("2866537B676752636A68F56554E12640276B649EF7526267", 16),
 
257
                new BigInteger("2E45EF571F00786F67B0081B9495A3D95462F5DE0AA185EC", 16),
 
258
                c2m191v1n, c2m191v1h);
 
259
 
 
260
            return new X9ECParameters(
 
261
                c2m191v1,
 
262
                c2m191v1.decodePoint(
 
263
                    Hex.decode("0236B3DAF8A23206F9C4F299D7B21A9C369137F2C84AE1AA0D")),
 
264
                c2m191v1n, c2m191v1h,
 
265
                Hex.decode("4E13CA542744D696E67687561517552F279A8C84"));
 
266
        }
 
267
    };
 
268
 
 
269
    static X9ECParametersHolder c2tnb191v2 = new X9ECParametersHolder()
 
270
    {
 
271
        protected X9ECParameters createParameters()
 
272
        {
 
273
            BigInteger c2m191v2n = new BigInteger("20000000000000000000000050508CB89F652824E06B8173", 16);
 
274
            BigInteger c2m191v2h = BigInteger.valueOf(4);
 
275
 
 
276
            ECCurve c2m191v2 = new ECCurve.F2m(
 
277
                191,
 
278
                9,
 
279
                new BigInteger("401028774D7777C7B7666D1366EA432071274F89FF01E718", 16),
 
280
                new BigInteger("0620048D28BCBD03B6249C99182B7C8CD19700C362C46A01", 16),
 
281
                c2m191v2n, c2m191v2h);
 
282
 
 
283
            return new X9ECParameters(
 
284
                c2m191v2,
 
285
                c2m191v2.decodePoint(
 
286
                    Hex.decode("023809B2B7CC1B28CC5A87926AAD83FD28789E81E2C9E3BF10")),
 
287
                c2m191v2n, c2m191v2h,
 
288
                null);
 
289
        }
 
290
    };
 
291
 
 
292
    static X9ECParametersHolder c2tnb191v3 = new X9ECParametersHolder()
 
293
    {
 
294
        protected X9ECParameters createParameters()
 
295
        {
 
296
            BigInteger c2m191v3n = new BigInteger("155555555555555555555555610C0B196812BFB6288A3EA3", 16);
 
297
            BigInteger c2m191v3h = BigInteger.valueOf(6);
 
298
 
 
299
            ECCurve c2m191v3 = new ECCurve.F2m(
 
300
                191,
 
301
                9,
 
302
                new BigInteger("6C01074756099122221056911C77D77E77A777E7E7E77FCB", 16),
 
303
                new BigInteger("71FE1AF926CF847989EFEF8DB459F66394D90F32AD3F15E8", 16),
 
304
                c2m191v3n, c2m191v3h);
 
305
 
 
306
            return new X9ECParameters(
 
307
                c2m191v3,
 
308
                c2m191v3.decodePoint(
 
309
                    Hex.decode("03375D4CE24FDE434489DE8746E71786015009E66E38A926DD")),
 
310
                c2m191v3n, c2m191v3h,
 
311
                null);
 
312
        }
 
313
    };
 
314
 
 
315
    static X9ECParametersHolder c2pnb208w1 = new X9ECParametersHolder()
 
316
    {
 
317
        protected X9ECParameters createParameters()
 
318
        {
 
319
            BigInteger c2m208w1n = new BigInteger("0101BAF95C9723C57B6C21DA2EFF2D5ED588BDD5717E212F9D", 16);
 
320
            BigInteger c2m208w1h = BigInteger.valueOf(0xFE48);
 
321
 
 
322
            ECCurve c2m208w1 = new ECCurve.F2m(
 
323
                208,
 
324
                1, 2, 83,
 
325
                new BigInteger("0", 16),
 
326
                new BigInteger("00C8619ED45A62E6212E1160349E2BFA844439FAFC2A3FD1638F9E", 16),
 
327
                c2m208w1n, c2m208w1h);
 
328
 
 
329
            return new X9ECParameters(
 
330
                c2m208w1,
 
331
                c2m208w1.decodePoint(
 
332
                    Hex.decode("0289FDFBE4ABE193DF9559ECF07AC0CE78554E2784EB8C1ED1A57A")),
 
333
                c2m208w1n, c2m208w1h,
 
334
                null);
 
335
        }
 
336
    };
 
337
 
 
338
    static X9ECParametersHolder c2tnb239v1 = new X9ECParametersHolder()
 
339
    {
 
340
        protected X9ECParameters createParameters()
 
341
        {
 
342
            BigInteger c2m239v1n = new BigInteger("2000000000000000000000000000000F4D42FFE1492A4993F1CAD666E447", 16);
 
343
            BigInteger c2m239v1h = BigInteger.valueOf(4);
 
344
 
 
345
            ECCurve c2m239v1 = new ECCurve.F2m(
 
346
                239,
 
347
                36,
 
348
                new BigInteger("32010857077C5431123A46B808906756F543423E8D27877578125778AC76", 16),
 
349
                new BigInteger("790408F2EEDAF392B012EDEFB3392F30F4327C0CA3F31FC383C422AA8C16", 16),
 
350
                c2m239v1n, c2m239v1h);
 
351
 
 
352
            return new X9ECParameters(
 
353
                c2m239v1,
 
354
                c2m239v1.decodePoint(
 
355
                    Hex.decode("0257927098FA932E7C0A96D3FD5B706EF7E5F5C156E16B7E7C86038552E91D")),
 
356
                c2m239v1n, c2m239v1h,
 
357
                null);
 
358
        }
 
359
    };
 
360
 
 
361
    static X9ECParametersHolder c2tnb239v2 = new X9ECParametersHolder()
 
362
    {
 
363
        protected X9ECParameters createParameters()
 
364
        {
 
365
            BigInteger c2m239v2n = new BigInteger("1555555555555555555555555555553C6F2885259C31E3FCDF154624522D", 16);
 
366
            BigInteger c2m239v2h = BigInteger.valueOf(6);
 
367
 
 
368
            ECCurve c2m239v2 = new ECCurve.F2m(
 
369
                239,
 
370
                36,
 
371
                new BigInteger("4230017757A767FAE42398569B746325D45313AF0766266479B75654E65F", 16),
 
372
                new BigInteger("5037EA654196CFF0CD82B2C14A2FCF2E3FF8775285B545722F03EACDB74B", 16),
 
373
                c2m239v2n, c2m239v2h);
 
374
 
 
375
            return new X9ECParameters(
 
376
                c2m239v2,
 
377
                c2m239v2.decodePoint(
 
378
                    Hex.decode("0228F9D04E900069C8DC47A08534FE76D2B900B7D7EF31F5709F200C4CA205")),
 
379
                c2m239v2n, c2m239v2h,
 
380
                null);
 
381
        }
 
382
    };
 
383
 
 
384
    static X9ECParametersHolder c2tnb239v3 = new X9ECParametersHolder()
 
385
    {
 
386
        protected X9ECParameters createParameters()
 
387
        {
 
388
            BigInteger c2m239v3n = new BigInteger("0CCCCCCCCCCCCCCCCCCCCCCCCCCCCCAC4912D2D9DF903EF9888B8A0E4CFF", 16);
 
389
            BigInteger c2m239v3h = BigInteger.valueOf(10);
 
390
 
 
391
            ECCurve c2m239v3 = new ECCurve.F2m(
 
392
                239,
 
393
                36,
 
394
                new BigInteger("01238774666A67766D6676F778E676B66999176666E687666D8766C66A9F", 16),
 
395
                new BigInteger("6A941977BA9F6A435199ACFC51067ED587F519C5ECB541B8E44111DE1D40", 16),
 
396
                c2m239v3n, c2m239v3h);
 
397
 
 
398
            return new X9ECParameters(
 
399
                c2m239v3,
 
400
                c2m239v3.decodePoint(
 
401
                    Hex.decode("0370F6E9D04D289C4E89913CE3530BFDE903977D42B146D539BF1BDE4E9C92")),
 
402
                c2m239v3n, c2m239v3h,
 
403
                null);
 
404
        }
 
405
    };
 
406
 
 
407
    static X9ECParametersHolder c2pnb272w1 = new X9ECParametersHolder()
 
408
    {
 
409
        protected X9ECParameters createParameters()
 
410
        {
 
411
            BigInteger c2m272w1n = new BigInteger("0100FAF51354E0E39E4892DF6E319C72C8161603FA45AA7B998A167B8F1E629521", 16);
 
412
            BigInteger c2m272w1h = BigInteger.valueOf(0xFF06);
 
413
 
 
414
            ECCurve c2m272w1 = new ECCurve.F2m(
 
415
                272,
 
416
                1, 3, 56,
 
417
                new BigInteger("0091A091F03B5FBA4AB2CCF49C4EDD220FB028712D42BE752B2C40094DBACDB586FB20", 16),
 
418
                new BigInteger("7167EFC92BB2E3CE7C8AAAFF34E12A9C557003D7C73A6FAF003F99F6CC8482E540F7", 16),
 
419
                c2m272w1n, c2m272w1h);
 
420
 
 
421
            return new X9ECParameters(
 
422
                c2m272w1,
 
423
                c2m272w1.decodePoint(
 
424
                    Hex.decode("026108BABB2CEEBCF787058A056CBE0CFE622D7723A289E08A07AE13EF0D10D171DD8D")),
 
425
                c2m272w1n, c2m272w1h,
 
426
                null);
 
427
        }
 
428
    };
 
429
 
 
430
    static X9ECParametersHolder c2pnb304w1 = new X9ECParametersHolder()
 
431
    {
 
432
        protected X9ECParameters createParameters()
 
433
        {
 
434
            BigInteger c2m304w1n = new BigInteger("0101D556572AABAC800101D556572AABAC8001022D5C91DD173F8FB561DA6899164443051D", 16);
 
435
            BigInteger c2m304w1h = BigInteger.valueOf(0xFE2E);
 
436
 
 
437
            ECCurve c2m304w1 = new ECCurve.F2m(
 
438
                304,
 
439
                1, 2, 11,
 
440
                new BigInteger("00FD0D693149A118F651E6DCE6802085377E5F882D1B510B44160074C1288078365A0396C8E681", 16),
 
441
                new BigInteger("00BDDB97E555A50A908E43B01C798EA5DAA6788F1EA2794EFCF57166B8C14039601E55827340BE", 16),
 
442
                c2m304w1n, c2m304w1h);
 
443
 
 
444
            return new X9ECParameters(
 
445
                c2m304w1,
 
446
                c2m304w1.decodePoint(
 
447
                    Hex.decode("02197B07845E9BE2D96ADB0F5F3C7F2CFFBD7A3EB8B6FEC35C7FD67F26DDF6285A644F740A2614")),
 
448
                c2m304w1n, c2m304w1h,
 
449
                null);
 
450
        }
 
451
    };
 
452
 
 
453
    static X9ECParametersHolder c2tnb359v1 = new X9ECParametersHolder()
 
454
    {
 
455
        protected X9ECParameters createParameters()
 
456
        {
 
457
            BigInteger c2m359v1n = new BigInteger("01AF286BCA1AF286BCA1AF286BCA1AF286BCA1AF286BC9FB8F6B85C556892C20A7EB964FE7719E74F490758D3B", 16);
 
458
            BigInteger c2m359v1h = BigInteger.valueOf(0x4C);
 
459
 
 
460
            ECCurve c2m359v1 = new ECCurve.F2m(
 
461
                359,
 
462
                68,
 
463
                new BigInteger("5667676A654B20754F356EA92017D946567C46675556F19556A04616B567D223A5E05656FB549016A96656A557", 16),
 
464
                new BigInteger("2472E2D0197C49363F1FE7F5B6DB075D52B6947D135D8CA445805D39BC345626089687742B6329E70680231988", 16),
 
465
                c2m359v1n, c2m359v1h);
 
466
 
 
467
            return new X9ECParameters(
 
468
                c2m359v1,
 
469
                c2m359v1.decodePoint(
 
470
                    Hex.decode("033C258EF3047767E7EDE0F1FDAA79DAEE3841366A132E163ACED4ED2401DF9C6BDCDE98E8E707C07A2239B1B097")),
 
471
                c2m359v1n, c2m359v1h,
 
472
                null);
 
473
        }
 
474
    };
 
475
 
 
476
    static X9ECParametersHolder c2pnb368w1 = new X9ECParametersHolder()
 
477
    {
 
478
        protected X9ECParameters createParameters()
 
479
        {
 
480
            BigInteger c2m368w1n = new BigInteger("010090512DA9AF72B08349D98A5DD4C7B0532ECA51CE03E2D10F3B7AC579BD87E909AE40A6F131E9CFCE5BD967", 16);
 
481
            BigInteger c2m368w1h = BigInteger.valueOf(0xFF70);
 
482
 
 
483
            ECCurve c2m368w1 = new ECCurve.F2m(
 
484
                368,
 
485
                1, 2, 85,
 
486
                new BigInteger("00E0D2EE25095206F5E2A4F9ED229F1F256E79A0E2B455970D8D0D865BD94778C576D62F0AB7519CCD2A1A906AE30D", 16),
 
487
                new BigInteger("00FC1217D4320A90452C760A58EDCD30C8DD069B3C34453837A34ED50CB54917E1C2112D84D164F444F8F74786046A", 16),
 
488
                c2m368w1n, c2m368w1h);
 
489
 
 
490
            return new X9ECParameters(
 
491
                c2m368w1,
 
492
                c2m368w1.decodePoint(
 
493
                    Hex.decode("021085E2755381DCCCE3C1557AFA10C2F0C0C2825646C5B34A394CBCFA8BC16B22E7E789E927BE216F02E1FB136A5F")),
 
494
                c2m368w1n, c2m368w1h,
 
495
                null);
 
496
        }
 
497
    };
 
498
 
 
499
    static X9ECParametersHolder c2tnb431r1 = new X9ECParametersHolder()
 
500
    {
 
501
        protected X9ECParameters createParameters()
 
502
        {
 
503
            BigInteger c2m431r1n = new BigInteger("0340340340340340340340340340340340340340340340340340340323C313FAB50589703B5EC68D3587FEC60D161CC149C1AD4A91", 16);
 
504
            BigInteger c2m431r1h = BigInteger.valueOf(0x2760);
 
505
 
 
506
            ECCurve c2m431r1 = new ECCurve.F2m(
 
507
                431,
 
508
                120,
 
509
                new BigInteger("1A827EF00DD6FC0E234CAF046C6A5D8A85395B236CC4AD2CF32A0CADBDC9DDF620B0EB9906D0957F6C6FEACD615468DF104DE296CD8F", 16),
 
510
                new BigInteger("10D9B4A3D9047D8B154359ABFB1B7F5485B04CEB868237DDC9DEDA982A679A5A919B626D4E50A8DD731B107A9962381FB5D807BF2618", 16),
 
511
                c2m431r1n, c2m431r1h);
 
512
 
 
513
            return new X9ECParameters(
 
514
                c2m431r1,
 
515
                c2m431r1.decodePoint(
 
516
                    Hex.decode("02120FC05D3C67A99DE161D2F4092622FECA701BE4F50F4758714E8A87BBF2A658EF8C21E7C5EFE965361F6C2999C0C247B0DBD70CE6B7")),
 
517
                c2m431r1n, c2m431r1h,
 
518
                null);
 
519
        }
 
520
    };
 
521
 
 
522
    static final Hashtable objIds = new Hashtable();
 
523
    static final Hashtable curves = new Hashtable();
 
524
    static final Hashtable names = new Hashtable();
 
525
 
 
526
    static void defineCurve(String name, DERObjectIdentifier oid, X9ECParametersHolder holder)
 
527
    {
 
528
        objIds.put(name, oid);
 
529
        names.put(oid, name);
 
530
        curves.put(oid, holder);
 
531
    }
 
532
 
 
533
    static
 
534
    {
 
535
        defineCurve("prime192v1", X9ObjectIdentifiers.prime192v1, prime192v1);
 
536
        defineCurve("prime192v2", X9ObjectIdentifiers.prime192v2, prime192v2);
 
537
        defineCurve("prime192v3", X9ObjectIdentifiers.prime192v3, prime192v3);
 
538
        defineCurve("prime239v1", X9ObjectIdentifiers.prime239v1, prime239v1);
 
539
        defineCurve("prime239v2", X9ObjectIdentifiers.prime239v2, prime239v2);
 
540
        defineCurve("prime239v3", X9ObjectIdentifiers.prime239v3, prime239v3);
 
541
        defineCurve("prime256v1", X9ObjectIdentifiers.prime256v1, prime256v1);
 
542
        defineCurve("c2pnb163v1", X9ObjectIdentifiers.c2pnb163v1, c2pnb163v1);
 
543
        defineCurve("c2pnb163v2", X9ObjectIdentifiers.c2pnb163v2, c2pnb163v2);
 
544
        defineCurve("c2pnb163v3", X9ObjectIdentifiers.c2pnb163v3, c2pnb163v3);
 
545
        defineCurve("c2pnb176w1", X9ObjectIdentifiers.c2pnb176w1, c2pnb176w1);
 
546
        defineCurve("c2tnb191v1", X9ObjectIdentifiers.c2tnb191v1, c2tnb191v1);
 
547
        defineCurve("c2tnb191v2", X9ObjectIdentifiers.c2tnb191v2, c2tnb191v2);
 
548
        defineCurve("c2tnb191v3", X9ObjectIdentifiers.c2tnb191v3, c2tnb191v3);
 
549
        defineCurve("c2pnb208w1", X9ObjectIdentifiers.c2pnb208w1, c2pnb208w1);
 
550
        defineCurve("c2tnb239v1", X9ObjectIdentifiers.c2tnb239v1, c2tnb239v1);
 
551
        defineCurve("c2tnb239v2", X9ObjectIdentifiers.c2tnb239v2, c2tnb239v2);
 
552
        defineCurve("c2tnb239v3", X9ObjectIdentifiers.c2tnb239v3, c2tnb239v3);
 
553
        defineCurve("c2pnb272w1", X9ObjectIdentifiers.c2pnb272w1, c2pnb272w1);
 
554
        defineCurve("c2pnb304w1", X9ObjectIdentifiers.c2pnb304w1, c2pnb304w1);
 
555
        defineCurve("c2tnb359v1", X9ObjectIdentifiers.c2tnb359v1, c2tnb359v1);
 
556
        defineCurve("c2pnb368w1", X9ObjectIdentifiers.c2pnb368w1, c2pnb368w1);
 
557
        defineCurve("c2tnb431r1", X9ObjectIdentifiers.c2tnb431r1, c2tnb431r1);
 
558
    }
 
559
 
 
560
    public static X9ECParameters getByName(
 
561
        String name)
 
562
    {
 
563
        DERObjectIdentifier oid = (DERObjectIdentifier)objIds.get(Strings.toLowerCase(name));
 
564
 
 
565
        if (oid != null)
 
566
        {
 
567
            return getByOID(oid);
 
568
        }
 
569
 
 
570
        return null;
 
571
    }
 
572
 
 
573
    /**
 
574
     * return the X9ECParameters object for the named curve represented by
 
575
     * the passed in object identifier. Null if the curve isn't present.
 
576
     *
 
577
     * @param oid an object identifier representing a named curve, if present.
 
578
     */
 
579
    public static X9ECParameters getByOID(
 
580
        DERObjectIdentifier oid)
 
581
    {
 
582
        X9ECParametersHolder holder = (X9ECParametersHolder)curves.get(oid);
 
583
 
 
584
        if (holder != null)
 
585
        {
 
586
            return holder.getParameters();
 
587
        }
 
588
 
 
589
        return null;
 
590
    }
 
591
 
 
592
    /**
 
593
     * return the object identifier signified by the passed in name. Null
 
594
     * if there is no object identifier associated with name.
 
595
     *
 
596
     * @return the object identifier associated with name, if present.
 
597
     */
 
598
    public static DERObjectIdentifier getOID(
 
599
        String name)
 
600
    {
 
601
        return (DERObjectIdentifier)objIds.get(Strings.toLowerCase(name));
 
602
    }
 
603
 
 
604
    /**
 
605
     * return the named curve name represented by the given object identifier.
 
606
     */
 
607
    public static String getName(
 
608
        DERObjectIdentifier oid)
 
609
    {
 
610
        return (String)names.get(oid);
 
611
    }
 
612
 
 
613
    /**
 
614
     * returns an enumeration containing the name strings for curves
 
615
     * contained in this structure.
 
616
     */
 
617
    public static Enumeration getNames()
 
618
    {
 
619
        return objIds.keys();
 
620
    }
 
621
}