Package org.bouncycastle.asn1.x9

Examples of org.bouncycastle.asn1.x9.DHDomainParameters


            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);
    }
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            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");
        }
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                    {
                        throw new IllegalArgumentException("error recovering public key");
                    }
                }
            }
            X9ECPoint       derQ = new X9ECPoint(curve, key);
   
            this.q = derQ.getPoint();
        }
    }
View Full Code Here

                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)).getDERObject();

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

        return info.getDEREncoded();
View Full Code Here

            // 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
                    {
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            // 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

            // 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

        // 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

        // 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

            // 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

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

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