Package java.security.spec

Examples of java.security.spec.ECPoint

343
344
345
346
347
348
349
350
351
352
353
        if (!expectedCurveName.equals(curveName)) {
            throw new SshException("Expected curve " + expectedCurveName + " but was " + curveName);
        }

        ECPoint group = ECCurves.decodeECPoint(groupBytes, spec.getCurve());
        if (group == null) {
            throw new InvalidKeySpecException("Couldn't decode EC group");
        }

        KeyFactory keyFactory = SecurityUtils.getKeyFactory("EC");
View Full Code Here
109
110
111
112
113
114
115
116
117
118
119
        // Step 3.4
        byte[] yp = new byte[elementSize];
        System.arraycopy(M, 1 + elementSize, yp, 0, elementSize);

        ECPoint P = new ECPoint(new BigInteger(1, xp), new BigInteger(1, yp));

        // TODO check point 3.5

        // Step 3.6
        return P;
View Full Code Here
306
307
308
309
310
311
312
313
314
315
316
        private Method encodePoint, decodePoint, getCurveName,
                       getECParameterSpec;

        EC(ECPublicKey ecKey) throws KeyException {
            super(ecKey);
            ECPoint ecPoint = ecKey.getW();
            ecParams = ecKey.getParams();
            try {
                AccessController.doPrivileged(
                    new PrivilegedExceptionAction<Void>() {
                        @Override
View Full Code Here
433
434
435
436
437
438
439
440
441
442
443
                }
            } else {
                throw new MarshalException("Invalid ECKeyValue");
            }
            curElem = DOMUtils.getNextSiblingElement(curElem);
            ECPoint ecPoint = null;
            try {
                Object[] args = new Object[] { Base64.decode(curElem),
                                               ecParams.getCurve() };
                ecPoint = (ECPoint)decodePoint.invoke(null, args);
            } catch (Base64DecodingException bde) {
View Full Code Here
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
        if (spec instanceof ECNamedCurveParameterSpec)
        {
            return new ECNamedCurveSpec(
                ((ECNamedCurveParameterSpec)spec).getName(),
                ellipticCurve,
                new ECPoint(
                    spec.getG().getX().toBigInteger(),
                    spec.getG().getY().toBigInteger()),
                spec.getN(),
                spec.getH());
        }
        else
        {
            return new ECParameterSpec(
                ellipticCurve,
                new ECPoint(
                    spec.getG().getX().toBigInteger(),
                    spec.getG().getY().toBigInteger()),
                spec.getN(),
                spec.getH().intValue());
        }
View Full Code Here
154
155
156
157
158
159
160
161
162
163
164
    private ECParameterSpec createSpec(EllipticCurve ellipticCurve, ECDomainParameters dp)
    {
        return new ECParameterSpec(
                ellipticCurve,
                new ECPoint(
                        dp.getG().getX().toBigInteger(),
                        dp.getG().getY().toBigInteger()),
                        dp.getN(),
                        dp.getH().intValue());
    }
View Full Code Here
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
            this.q = curve.createPoint(new BigInteger(1, x), new BigInteger(1, y), false);

            ecSpec = new ECNamedCurveSpec(
                    ECGOST3410NamedCurves.getName(gostParams.getPublicKeyParamSet()),
                    ellipticCurve,
                    new ECPoint(
                            spec.getG().getX().toBigInteger(),
                            spec.getG().getY().toBigInteger()),
                            spec.getN(), spec.getH());

        }
        else
        {
            X962Parameters params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());
            ECCurve                 curve;
            EllipticCurve           ellipticCurve;

            if (params.isNamedCurve())
            {
                DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
                X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid);

                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                ecSpec = new ECNamedCurveSpec(
                        ECUtil.getCurveName(oid),
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
                        ecP.getH());
            }
            else if (params.isImplicitlyCA())
            {
                ecSpec = null;
                curve = ProviderUtil.getEcImplicitlyCa().getCurve();
            }
            else
            {
                X9ECParameters          ecP = new X9ECParameters((ASN1Sequence)params.getParameters());

                curve = ecP.getCurve();
                ellipticCurve = EC5Util.convertCurve(curve, ecP.getSeed());

                this.ecSpec = new ECParameterSpec(
                        ellipticCurve,
                        new ECPoint(
                                ecP.getG().getX().toBigInteger(),
                                ecP.getG().getY().toBigInteger()),
                        ecP.getN(),
                        ecP.getH().intValue());
            }
View Full Code Here
419
420
421
422
423
424
425
        return EC5Util.convertSpec(ecSpec, withCompression);
    }

    public ECPoint getW()
    {
        return new ECPoint(q.getX().toBigInteger(), q.getY().toBigInteger());
    }
View Full Code Here
120
121
122
123
124
125
126
127
128
129
130
        {
            EllipticCurve ellipticCurve = EC5Util.convertCurve(dp.getCurve(), dp.getSeed());

            this.ecSpec = new ECParameterSpec(
                            ellipticCurve,
                            new ECPoint(
                                    dp.getG().getX().toBigInteger(),
                                    dp.getG().getY().toBigInteger()),
                            dp.getN(),
                            dp.getH().intValue());
        }
View Full Code Here
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
        {
            EllipticCurve ellipticCurve = EC5Util.convertCurve(dp.getCurve(), dp.getSeed());

            this.ecSpec = new ECParameterSpec(
                            ellipticCurve,
                            new ECPoint(
                                    dp.getG().getX().toBigInteger(),
                                    dp.getG().getY().toBigInteger()),
                            dp.getN(),
                            dp.getH().intValue());
        }
        else
        {
            EllipticCurve ellipticCurve = EC5Util.convertCurve(spec.getCurve(), spec.getSeed());
           
            this.ecSpec = new ECParameterSpec(
                                ellipticCurve,
                                new ECPoint(
                                        spec.getG().getX().toBigInteger(),
                                        spec.getG().getY().toBigInteger()),
                                spec.getN(),
                                spec.getH().intValue());
        }
View Full Code Here
TOP

Related Classes of java.security.spec.ECPoint

  • ch.ethz.inf.vs.scandium.dtls.ECDHClientKeyExchange
  • ch.ethz.inf.vs.scandium.dtls.ECDHECryptography
  • ch.ethz.inf.vs.scandium.dtls.ECDHServerKeyExchange
  • com.nimbusds.jose.jwk.ECKey
  • org.apache.cxf.rs.security.oauth2.utils.crypto.CryptoUtils
  • org.apache.harmony.security.tests.java.security.spec.ECParameterSpec_ImplTest
  • org.apache.harmony.security.tests.java.security.spec.ECPointTest
  • org.apache.harmony.security.tests.java.security.spec.ECPrivateKeySpec_ImplTest
  • org.apache.harmony.security.tests.java.security.spec.ECPublicKeySpec_ImplTest
  • org.apache.jcp.xml.dsig.internal.dom.DOMKeyValue$EC
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.