Package org.bouncycastle.asn1.x9

Examples of org.bouncycastle.asn1.x9.X9IntegerConverter

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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
                    {
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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
                    {
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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
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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
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        // 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
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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
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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
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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
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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
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        return ECKey.fromPublicOnly(q.getEncoded(compressed));
    }

    /** Decompress a compressed public key (x co-ord and low-bit of y-coord). */
    private static ECPoint decompressKey(BigInteger xBN, boolean yBit) {
        X9IntegerConverter x9 = new X9IntegerConverter();
        byte[] compEnc = x9.integerToBytes(xBN, 1 + x9.getByteLength(CURVE.getCurve()));
        compEnc[0] = (byte)(yBit ? 0x03 : 0x02);
        return CURVE.getCurve().decodePoint(compEnc);
    }
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Related Classes of org.bouncycastle.asn1.x9.X9IntegerConverter

  • 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
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