Package org.bouncycastle.asn1.x9

Examples of org.bouncycastle.asn1.x9.X9ECParametersHolder

260
261
262
263
264
265
266
267
268
                {
                    throw new IllegalArgumentException("error recovering public key");
                }
            }
        }
        X9ECPoint derQ = new X9ECPoint(curve, key);

        this.q = derQ.getPoint();
    }
View Full Code Here
309
310
311
312
313
314
315
316
317
318
319
            params = new X962Parameters(ecP);
        }

        ECCurve curve = this.engineGetQ().getCurve();
        ASN1OctetString p = (ASN1OctetString)
            new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).toASN1Primitive();

        info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());

        return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
    }
View Full Code Here
167
168
169
170
171
172
173
174
175
176
177
178
179
            DERBitString    bits = keyInfo.getPublicKeyData();
            byte[]          data = bits.getBytes();
            ASN1OctetString key = new DEROctetString(data);

            X9ECPoint       derQ = new X9ECPoint(dParams.getCurve(), key);
           
            return new ECPublicKeyParameters(derQ.getPoint(), dParams);
        }
        else
        {
            throw new RuntimeException("algorithm identifier in key not recognised");
        }
View Full Code Here
278
279
280
281
282
283
284
285
286
287
288
            // extra octet string - one of our old certs...
            //
            if (data[0] == 0x04 && data[1] == data.length - 2
                && (data[2] == 0x02 || data[2] == 0x03))
            {
                int qLength = new X9IntegerConverter().getByteLength(curve);

                if (qLength >= data.length - 3)
                {
                    try
                    {
View Full Code Here
276
277
278
279
280
281
282
283
284
285
286
            // extra octet string - one of our old certs...
            //
            if (data[0] == 0x04 && data[1] == data.length - 2
                && (data[2] == 0x02 || data[2] == 0x03))
            {
                int qLength = new X9IntegerConverter().getByteLength(curve);

                if (qLength >= data.length - 3)
                {
                    try
                    {
View Full Code Here
321
322
323
324
325
326
327
328
329
330
331
            // extra octet string - one of our old certs...
            //
            if (data[0] == 0x04 && data[1] == data.length - 2
                && (data[2] == 0x02 || data[2] == 0x03))
            {
                int qLength = new X9IntegerConverter().getByteLength(curve);

                if (qLength >= data.length - 3)
                {
                    try
                    {
View Full Code Here
246
247
248
249
250
251
252
253
254
255
256
        // extra octet string - one of our old certs...
        //
        if (data[0] == 0x04 && data[1] == data.length - 2
            && (data[2] == 0x02 || data[2] == 0x03))
        {
            int qLength = new X9IntegerConverter().getByteLength(curve);

            if (qLength >= data.length - 3)
            {
                try
                {
View Full Code Here
38
39
40
41
42
43
44
45
46
47
        // We always use big-endian in parameter encoding
        ECCurve.F2m curve = (ECCurve.F2m)params.getCurve();
        f = new DSTU4145BinaryField(curve.getM(), curve.getK1(), curve.getK2(), curve.getK3());
        a = new ASN1Integer(curve.getA().toBigInteger());
        X9IntegerConverter converter = new X9IntegerConverter();
        b = new DEROctetString(converter.integerToBytes(curve.getB().toBigInteger(), converter.getByteLength(curve)));
        n = new ASN1Integer(params.getN());
        bp = new DEROctetString(DSTU4145PointEncoder.encodePoint(params.getG()));
    }
View Full Code Here
302
303
304
305
306
307
308
309
310
311
312
313
314
315
     * @param oid an object identifier representing a named curve, if present.
     */
    public static X9ECParameters getByOID(
        DERObjectIdentifier oid)
    {
        X9ECParametersHolder holder = (X9ECParametersHolder)curves.get(oid);

        if (holder != null)
        {
            return holder.getParameters();
        }

        return null;
    }
View Full Code Here
985
986
987
988
989
990
991
992
993
994
995
996
997
998
     * @param oid an object identifier representing a named curve, if present.
     */
    public static X9ECParameters getByOID(
        DERObjectIdentifier oid)
    {
        X9ECParametersHolder holder = (X9ECParametersHolder)curves.get(oid);

        if (holder != null)
        {
            return holder.getParameters();
        }

        return null;
    }
View Full Code Here
TOP

Related Classes of org.bouncycastle.asn1.x9.X9ECParametersHolder

  • com.nimbusds.jose.crypto.ECDSAProvider
  • com.nimbusds.jose.crypto.ECDSASigner
  • com.nimbusds.jose.crypto.ECDSAVerifier
  • org.bouncycastle.asn1.ASN1Encodable
  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
  • org.bouncycastle.asn1.ASN1ObjectIdentifier
  • org.bouncycastle.asn1.ASN1SequenceParser
  • org.bouncycastle.asn1.BERSequence
  • org.bouncycastle.asn1.BERTaggedObject
    • 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.