|
0
|
1 /**
|
|
|
2 *
|
|
|
3 */
|
|
|
4 package com.trilead.ssh2.signature;
|
|
|
5
|
|
|
6 import java.io.ByteArrayOutputStream;
|
|
|
7 import java.io.IOException;
|
|
|
8 import java.io.OutputStream;
|
|
|
9 import java.math.BigInteger;
|
|
|
10 import java.security.InvalidKeyException;
|
|
|
11 import java.security.KeyFactory;
|
|
|
12 import java.security.NoSuchAlgorithmException;
|
|
|
13 import java.security.Signature;
|
|
|
14 import java.security.SignatureException;
|
|
|
15 import java.security.interfaces.ECPrivateKey;
|
|
|
16 import java.security.interfaces.ECPublicKey;
|
|
|
17 import java.security.spec.ECFieldFp;
|
|
|
18 import java.security.spec.ECParameterSpec;
|
|
|
19 import java.security.spec.ECPoint;
|
|
|
20 import java.security.spec.ECPublicKeySpec;
|
|
|
21 import java.security.spec.EllipticCurve;
|
|
|
22 import java.security.spec.InvalidKeySpecException;
|
|
|
23 import java.security.spec.KeySpec;
|
|
|
24 import java.util.Map;
|
|
|
25 import java.util.TreeMap;
|
|
|
26
|
|
|
27 import com.trilead.ssh2.log.Logger;
|
|
|
28 import com.trilead.ssh2.packets.TypesReader;
|
|
|
29 import com.trilead.ssh2.packets.TypesWriter;
|
|
|
30
|
|
|
31 /**
|
|
|
32 * @author Kenny Root
|
|
|
33 *
|
|
|
34 */
|
|
|
35 public class ECDSASHA2Verify {
|
|
|
36 private static final Logger log = Logger.getLogger(ECDSASHA2Verify.class);
|
|
|
37
|
|
|
38 public static final String ECDSA_SHA2_PREFIX = "ecdsa-sha2-";
|
|
|
39
|
|
|
40 private static final String NISTP256 = "nistp256";
|
|
|
41 private static final String NISTP256_OID = "1.2.840.10045.3.1.7";
|
|
|
42 private static final String NISTP384 = "nistp384";
|
|
|
43 private static final String NISTP384_OID = "1.3.132.0.34";
|
|
|
44 private static final String NISTP521 = "nistp521";
|
|
|
45 private static final String NISTP521_OID = "1.3.132.0.35";
|
|
|
46
|
|
|
47 private static final Map<String, ECParameterSpec> CURVES = new TreeMap<String, ECParameterSpec>();
|
|
|
48 static {
|
|
|
49 CURVES.put(NISTP256, EllipticCurves.nistp256);
|
|
|
50 CURVES.put(NISTP384, EllipticCurves.nistp384);
|
|
|
51 CURVES.put(NISTP521, EllipticCurves.nistp521);
|
|
|
52 }
|
|
|
53
|
|
|
54 private static final Map<Integer, String> CURVE_SIZES = new TreeMap<Integer, String>();
|
|
|
55 static {
|
|
|
56 CURVE_SIZES.put(256, NISTP256);
|
|
|
57 CURVE_SIZES.put(384, NISTP384);
|
|
|
58 CURVE_SIZES.put(521, NISTP521);
|
|
|
59 }
|
|
|
60
|
|
|
61 private static final Map<String, String> CURVE_OIDS = new TreeMap<String, String>();
|
|
|
62 static {
|
|
|
63 CURVE_OIDS.put(NISTP256_OID, NISTP256);
|
|
|
64 CURVE_OIDS.put(NISTP384_OID, NISTP256);
|
|
|
65 CURVE_OIDS.put(NISTP521_OID, NISTP256);
|
|
|
66 }
|
|
|
67
|
|
|
68 public static int[] getCurveSizes() {
|
|
|
69 int[] keys = new int[CURVE_SIZES.size()];
|
|
|
70 int i = 0;
|
|
|
71
|
|
|
72 for (Integer n : CURVE_SIZES.keySet().toArray(new Integer[keys.length])) {
|
|
|
73 keys[i++] = n;
|
|
|
74 }
|
|
|
75
|
|
|
76 return keys;
|
|
|
77 }
|
|
|
78
|
|
|
79 public static ECParameterSpec getCurveForSize(int size) {
|
|
|
80 final String name = CURVE_SIZES.get(size);
|
|
|
81
|
|
|
82 if (name == null) {
|
|
|
83 return null;
|
|
|
84 }
|
|
|
85
|
|
|
86 return CURVES.get(name);
|
|
|
87 }
|
|
|
88
|
|
|
89 public static ECPublicKey decodeSSHECDSAPublicKey(byte[] key) throws IOException {
|
|
|
90 TypesReader tr = new TypesReader(key);
|
|
|
91 String key_format = tr.readString();
|
|
|
92
|
|
|
93 if (key_format.startsWith(ECDSA_SHA2_PREFIX) == false)
|
|
|
94 throw new IllegalArgumentException("This is not an ECDSA public key");
|
|
|
95
|
|
|
96 String curveName = tr.readString();
|
|
|
97 byte[] groupBytes = tr.readByteString();
|
|
|
98
|
|
|
99 if (tr.remain() != 0)
|
|
|
100 throw new IOException("Padding in ECDSA public key!");
|
|
|
101
|
|
|
102 if (key_format.equals(ECDSA_SHA2_PREFIX + curveName) == false) {
|
|
|
103 throw new IOException("Key format is inconsistent with curve name: " + key_format
|
|
|
104 + " != " + curveName);
|
|
|
105 }
|
|
|
106
|
|
|
107 ECParameterSpec params = CURVES.get(curveName);
|
|
|
108
|
|
|
109 if (params == null) {
|
|
|
110 throw new IOException("Curve is not supported: " + curveName);
|
|
|
111 }
|
|
|
112
|
|
|
113 ECPoint group = ECDSASHA2Verify.decodeECPoint(groupBytes, params.getCurve());
|
|
|
114
|
|
|
115 if (group == null) {
|
|
|
116 throw new IOException("Invalid ECDSA group");
|
|
|
117 }
|
|
|
118
|
|
|
119 KeySpec keySpec = new ECPublicKeySpec(group, params);
|
|
|
120
|
|
|
121 try {
|
|
|
122 KeyFactory kf = KeyFactory.getInstance("EC");
|
|
|
123 return (ECPublicKey) kf.generatePublic(keySpec);
|
|
|
124 }
|
|
|
125 catch (NoSuchAlgorithmException nsae) {
|
|
|
126 IOException ioe = new IOException("No EC KeyFactory available");
|
|
|
127 ioe.initCause(nsae);
|
|
|
128 throw ioe;
|
|
|
129 }
|
|
|
130 catch (InvalidKeySpecException ikse) {
|
|
|
131 IOException ioe = new IOException("No EC KeyFactory available");
|
|
|
132 ioe.initCause(ikse);
|
|
|
133 throw ioe;
|
|
|
134 }
|
|
|
135 }
|
|
|
136
|
|
|
137 public static byte[] encodeSSHECDSAPublicKey(ECPublicKey key) throws IOException {
|
|
|
138 TypesWriter tw = new TypesWriter();
|
|
|
139 String curveName = getCurveName(key.getParams());
|
|
|
140 String keyFormat = ECDSA_SHA2_PREFIX + curveName;
|
|
|
141 tw.writeString(keyFormat);
|
|
|
142 tw.writeString(curveName);
|
|
|
143 byte[] encoded = encodeECPoint(key.getW(), key.getParams().getCurve());
|
|
|
144 tw.writeString(encoded, 0, encoded.length);
|
|
|
145 return tw.getBytes();
|
|
|
146 }
|
|
|
147
|
|
|
148 public static String getCurveName(ECParameterSpec params) throws IOException {
|
|
|
149 int fieldSize = getCurveSize(params);
|
|
|
150 final String curveName = getCurveName(fieldSize);
|
|
|
151
|
|
|
152 if (curveName == null) {
|
|
|
153 throw new IOException("invalid curve size " + fieldSize);
|
|
|
154 }
|
|
|
155
|
|
|
156 return curveName;
|
|
|
157 }
|
|
|
158
|
|
|
159 public static String getCurveName(int fieldSize) {
|
|
|
160 String curveName = CURVE_SIZES.get(fieldSize);
|
|
|
161
|
|
|
162 if (curveName == null) {
|
|
|
163 return null;
|
|
|
164 }
|
|
|
165
|
|
|
166 return curveName;
|
|
|
167 }
|
|
|
168
|
|
|
169 public static int getCurveSize(ECParameterSpec params) {
|
|
|
170 return params.getCurve().getField().getFieldSize();
|
|
|
171 }
|
|
|
172
|
|
|
173 public static ECParameterSpec getCurveForOID(String oid) {
|
|
|
174 String name = CURVE_OIDS.get(oid);
|
|
|
175
|
|
|
176 if (name == null)
|
|
|
177 return null;
|
|
|
178
|
|
|
179 return CURVES.get(name);
|
|
|
180 }
|
|
|
181
|
|
|
182 public static byte[] decodeSSHECDSASignature(byte[] sig) throws IOException {
|
|
|
183 byte[] rsArray = null;
|
|
|
184 TypesReader tr = new TypesReader(sig);
|
|
|
185 String sig_format = tr.readString();
|
|
|
186
|
|
|
187 if (sig_format.startsWith(ECDSA_SHA2_PREFIX) == false)
|
|
|
188 throw new IOException("Peer sent wrong signature format");
|
|
|
189
|
|
|
190 String curveName = sig_format.substring(ECDSA_SHA2_PREFIX.length());
|
|
|
191
|
|
|
192 if (CURVES.containsKey(curveName) == false) {
|
|
|
193 throw new IOException("Unsupported curve: " + curveName);
|
|
|
194 }
|
|
|
195
|
|
|
196 rsArray = tr.readByteString();
|
|
|
197
|
|
|
198 if (tr.remain() != 0)
|
|
|
199 throw new IOException("Padding in ECDSA signature!");
|
|
|
200
|
|
|
201 byte[] rArray;
|
|
|
202 byte[] sArray;
|
|
|
203 {
|
|
|
204 TypesReader rsReader = new TypesReader(rsArray);
|
|
|
205 rArray = rsReader.readMPINT().toByteArray();
|
|
|
206 sArray = rsReader.readMPINT().toByteArray();
|
|
|
207 }
|
|
|
208 int first = rArray.length;
|
|
|
209 int second = sArray.length;
|
|
|
210
|
|
|
211 /* We can't have the high bit set, so add an extra zero at the beginning if so. */
|
|
|
212 if ((rArray[0] & 0x80) != 0) {
|
|
|
213 first++;
|
|
|
214 }
|
|
|
215
|
|
|
216 if ((sArray[0] & 0x80) != 0) {
|
|
|
217 second++;
|
|
|
218 }
|
|
|
219
|
|
|
220 /* Calculate total output length */
|
|
|
221 ByteArrayOutputStream os = new ByteArrayOutputStream(6 + first + second);
|
|
|
222 /* ASN.1 SEQUENCE tag */
|
|
|
223 os.write(0x30);
|
|
|
224 /* Size of SEQUENCE */
|
|
|
225 writeLength(4 + first + second, os);
|
|
|
226 /* ASN.1 INTEGER tag */
|
|
|
227 os.write(0x02);
|
|
|
228 /* "r" INTEGER length */
|
|
|
229 writeLength(first, os);
|
|
|
230
|
|
|
231 /* Copy in the "r" INTEGER */
|
|
|
232 if (first != rArray.length) {
|
|
|
233 os.write(0x00);
|
|
|
234 }
|
|
|
235
|
|
|
236 os.write(rArray);
|
|
|
237 /* ASN.1 INTEGER tag */
|
|
|
238 os.write(0x02);
|
|
|
239 /* "s" INTEGER length */
|
|
|
240 writeLength(second, os);
|
|
|
241
|
|
|
242 /* Copy in the "s" INTEGER */
|
|
|
243 if (second != sArray.length) {
|
|
|
244 os.write(0x00);
|
|
|
245 }
|
|
|
246
|
|
|
247 os.write(sArray);
|
|
|
248 return os.toByteArray();
|
|
|
249 }
|
|
|
250
|
|
|
251 private static final void writeLength(int length, OutputStream os) throws IOException {
|
|
|
252 if (length <= 0x7F) {
|
|
|
253 os.write(length);
|
|
|
254 return;
|
|
|
255 }
|
|
|
256
|
|
|
257 int numOctets = 0;
|
|
|
258 int lenCopy = length;
|
|
|
259
|
|
|
260 while (lenCopy != 0) {
|
|
|
261 lenCopy >>>= 8;
|
|
|
262 numOctets++;
|
|
|
263 }
|
|
|
264
|
|
|
265 os.write(0x80 | numOctets);
|
|
|
266
|
|
|
267 for (int i = (numOctets - 1) * 8; i >= 0; i -= 8) {
|
|
|
268 os.write((byte)(length >> i));
|
|
|
269 }
|
|
|
270 }
|
|
|
271
|
|
|
272 public static byte[] encodeSSHECDSASignature(byte[] sig, ECParameterSpec params) throws IOException {
|
|
|
273 TypesWriter tw = new TypesWriter();
|
|
|
274 String curveName = getCurveName(params);
|
|
|
275 tw.writeString(ECDSA_SHA2_PREFIX + curveName);
|
|
|
276
|
|
|
277 if ((sig[0] != 0x30) || (sig[1] != sig.length - 2) || (sig[2] != 0x02)) {
|
|
|
278 throw new IOException("Invalid signature format");
|
|
|
279 }
|
|
|
280
|
|
|
281 int rLength = sig[3];
|
|
|
282
|
|
|
283 if ((rLength + 6 > sig.length) || (sig[4 + rLength] != 0x02)) {
|
|
|
284 throw new IOException("Invalid signature format");
|
|
|
285 }
|
|
|
286
|
|
|
287 int sLength = sig[5 + rLength];
|
|
|
288
|
|
|
289 if (6 + rLength + sLength > sig.length) {
|
|
|
290 throw new IOException("Invalid signature format");
|
|
|
291 }
|
|
|
292
|
|
|
293 byte[] rArray = new byte[rLength];
|
|
|
294 byte[] sArray = new byte[sLength];
|
|
|
295 System.arraycopy(sig, 4, rArray, 0, rLength);
|
|
|
296 System.arraycopy(sig, 6 + rLength, sArray, 0, sLength);
|
|
|
297 BigInteger r = new BigInteger(rArray);
|
|
|
298 BigInteger s = new BigInteger(sArray);
|
|
|
299 // Write the <r,s> to its own types writer.
|
|
|
300 TypesWriter rsWriter = new TypesWriter();
|
|
|
301 rsWriter.writeMPInt(r);
|
|
|
302 rsWriter.writeMPInt(s);
|
|
|
303 byte[] encoded = rsWriter.getBytes();
|
|
|
304 tw.writeString(encoded, 0, encoded.length);
|
|
|
305 return tw.getBytes();
|
|
|
306 }
|
|
|
307
|
|
|
308 public static byte[] generateSignature(byte[] message, ECPrivateKey pk) throws IOException {
|
|
|
309 final String algo = getSignatureAlgorithmForParams(pk.getParams());
|
|
|
310
|
|
|
311 try {
|
|
|
312 Signature s = Signature.getInstance(algo);
|
|
|
313 s.initSign(pk);
|
|
|
314 s.update(message);
|
|
|
315 return s.sign();
|
|
|
316 }
|
|
|
317 catch (NoSuchAlgorithmException e) {
|
|
|
318 IOException ex = new IOException();
|
|
|
319 ex.initCause(e);
|
|
|
320 throw ex;
|
|
|
321 }
|
|
|
322 catch (InvalidKeyException e) {
|
|
|
323 IOException ex = new IOException();
|
|
|
324 ex.initCause(e);
|
|
|
325 throw ex;
|
|
|
326 }
|
|
|
327 catch (SignatureException e) {
|
|
|
328 IOException ex = new IOException();
|
|
|
329 ex.initCause(e);
|
|
|
330 throw ex;
|
|
|
331 }
|
|
|
332 }
|
|
|
333
|
|
|
334 public static boolean verifySignature(byte[] message, byte[] ds, ECPublicKey dpk) throws IOException {
|
|
|
335 final String algo = getSignatureAlgorithmForParams(dpk.getParams());
|
|
|
336
|
|
|
337 try {
|
|
|
338 Signature s = Signature.getInstance(algo);
|
|
|
339 s.initVerify(dpk);
|
|
|
340 s.update(message);
|
|
|
341 return s.verify(ds);
|
|
|
342 }
|
|
|
343 catch (NoSuchAlgorithmException e) {
|
|
|
344 IOException ex = new IOException("No such algorithm");
|
|
|
345 ex.initCause(e);
|
|
|
346 throw ex;
|
|
|
347 }
|
|
|
348 catch (InvalidKeyException e) {
|
|
|
349 IOException ex = new IOException("No such algorithm");
|
|
|
350 ex.initCause(e);
|
|
|
351 throw ex;
|
|
|
352 }
|
|
|
353 catch (SignatureException e) {
|
|
|
354 IOException ex = new IOException();
|
|
|
355 ex.initCause(e);
|
|
|
356 throw ex;
|
|
|
357 }
|
|
|
358 }
|
|
|
359
|
|
|
360 private static String getSignatureAlgorithmForParams(ECParameterSpec params) {
|
|
|
361 int size = getCurveSize(params);
|
|
|
362
|
|
|
363 if (size <= 256) {
|
|
|
364 return "SHA256withECDSA";
|
|
|
365 }
|
|
|
366 else if (size <= 384) {
|
|
|
367 return "SHA384withECDSA";
|
|
|
368 }
|
|
|
369 else {
|
|
|
370 return "SHA512withECDSA";
|
|
|
371 }
|
|
|
372 }
|
|
|
373
|
|
|
374 public static String getDigestAlgorithmForParams(ECParameterSpec params) {
|
|
|
375 int size = getCurveSize(params);
|
|
|
376
|
|
|
377 if (size <= 256) {
|
|
|
378 return "SHA256";
|
|
|
379 }
|
|
|
380 else if (size <= 384) {
|
|
|
381 return "SHA384";
|
|
|
382 }
|
|
|
383 else {
|
|
|
384 return "SHA512";
|
|
|
385 }
|
|
|
386 }
|
|
|
387
|
|
|
388 /**
|
|
|
389 * Decode an OctetString to EllipticCurvePoint according to SECG 2.3.4
|
|
|
390 */
|
|
|
391 public static ECPoint decodeECPoint(byte[] M, EllipticCurve curve) {
|
|
|
392 if (M.length == 0) {
|
|
|
393 return null;
|
|
|
394 }
|
|
|
395
|
|
|
396 // M has len 2 ceil(log_2(q)/8) + 1 ?
|
|
|
397 int elementSize = (curve.getField().getFieldSize() + 7) / 8;
|
|
|
398
|
|
|
399 if (M.length != 2 * elementSize + 1) {
|
|
|
400 return null;
|
|
|
401 }
|
|
|
402
|
|
|
403 // step 3.2
|
|
|
404 if (M[0] != 0x04) {
|
|
|
405 return null;
|
|
|
406 }
|
|
|
407
|
|
|
408 // Step 3.3
|
|
|
409 byte[] xp = new byte[elementSize];
|
|
|
410 System.arraycopy(M, 1, xp, 0, elementSize);
|
|
|
411 // Step 3.4
|
|
|
412 byte[] yp = new byte[elementSize];
|
|
|
413 System.arraycopy(M, 1 + elementSize, yp, 0, elementSize);
|
|
|
414 ECPoint P = new ECPoint(new BigInteger(1, xp), new BigInteger(1, yp));
|
|
|
415 // TODO check point 3.5
|
|
|
416 // Step 3.6
|
|
|
417 return P;
|
|
|
418 }
|
|
|
419
|
|
|
420 /**
|
|
|
421 * Encode EllipticCurvePoint to an OctetString
|
|
|
422 */
|
|
|
423 public static byte[] encodeECPoint(ECPoint group, EllipticCurve curve) {
|
|
|
424 // M has len 2 ceil(log_2(q)/8) + 1 ?
|
|
|
425 int elementSize = (curve.getField().getFieldSize() + 7) / 8;
|
|
|
426 byte[] M = new byte[2 * elementSize + 1];
|
|
|
427 // Uncompressed format
|
|
|
428 M[0] = 0x04;
|
|
|
429 {
|
|
|
430 byte[] affineX = removeLeadingZeroes(group.getAffineX().toByteArray());
|
|
|
431 System.arraycopy(affineX, 0, M, 1 + elementSize - affineX.length, affineX.length);
|
|
|
432 }
|
|
|
433 {
|
|
|
434 byte[] affineY = removeLeadingZeroes(group.getAffineY().toByteArray());
|
|
|
435 System.arraycopy(affineY, 0, M, 1 + elementSize + elementSize - affineY.length,
|
|
|
436 affineY.length);
|
|
|
437 }
|
|
|
438 return M;
|
|
|
439 }
|
|
|
440
|
|
|
441 private static byte[] removeLeadingZeroes(byte[] input) {
|
|
|
442 if (input[0] != 0x00) {
|
|
|
443 return input;
|
|
|
444 }
|
|
|
445
|
|
|
446 int pos = 1;
|
|
|
447
|
|
|
448 while (pos < input.length - 1 && input[pos] == 0x00) {
|
|
|
449 pos++;
|
|
|
450 }
|
|
|
451
|
|
|
452 byte[] output = new byte[input.length - pos];
|
|
|
453 System.arraycopy(input, pos, output, 0, output.length);
|
|
|
454 return output;
|
|
|
455 }
|
|
|
456
|
|
|
457 public static class EllipticCurves {
|
|
|
458 public static ECParameterSpec nistp256 = new ECParameterSpec(
|
|
|
459 new EllipticCurve(
|
|
|
460 new ECFieldFp(new BigInteger("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF", 16)),
|
|
|
461 new BigInteger("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC", 16),
|
|
|
462 new BigInteger("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", 16)),
|
|
|
463 new ECPoint(new BigInteger("6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296", 16),
|
|
|
464 new BigInteger("4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5", 16)),
|
|
|
465 new BigInteger("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551", 16),
|
|
|
466 1);
|
|
|
467
|
|
|
468 public static ECParameterSpec nistp384 = new ECParameterSpec(
|
|
|
469 new EllipticCurve(
|
|
|
470 new ECFieldFp(new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF", 16)),
|
|
|
471 new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC", 16),
|
|
|
472 new BigInteger("B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF", 16)),
|
|
|
473 new ECPoint(new BigInteger("AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7", 16),
|
|
|
474 new BigInteger("3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F", 16)),
|
|
|
475 new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973", 16),
|
|
|
476 1);
|
|
|
477
|
|
|
478 public static ECParameterSpec nistp521 = new ECParameterSpec(
|
|
|
479 new EllipticCurve(
|
|
|
480 new ECFieldFp(new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 16)),
|
|
|
481 new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC", 16),
|
|
|
482 new BigInteger("0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00", 16)),
|
|
|
483 new ECPoint(new BigInteger("00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66", 16),
|
|
|
484 new BigInteger("011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650", 16)),
|
|
|
485 new BigInteger("01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409", 16),
|
|
|
486 1);
|
|
|
487 }
|
|
|
488 }
|
