Package org.bouncycastle.asn1.sec

Examples of org.bouncycastle.asn1.sec.ECPrivateKeyStructure

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                    exp1.getValue(), exp2.getValue(),
                    crtCoef.getValue());
        }
        else if (type.equals("ECDSA"))
        {
            ECPrivateKeyStructure pKey = new ECPrivateKeyStructure(seq);
            AlgorithmIdentifier   algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
            PrivateKeyInfo        privInfo = new PrivateKeyInfo(algId, pKey.getDERObject());
            SubjectPublicKeyInfo  pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());

            privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
            pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
        }
        else    // "DSA"
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            this.d = derD.getValue();
        }
        else
        {
            ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence)info.getPrivateKey());

            this.d = ec.getKey();
            this.publicKey = ec.getPublicKey();
        }
    }
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            params = new X962Parameters(ecP);
        }
       
        PrivateKeyInfo          info;
        ECPrivateKeyStructure keyStructure;

        if (publicKey != null)
        {
            keyStructure = new ECPrivateKeyStructure(this.getS(), publicKey, params);
        }
        else
        {
            keyStructure = new ECPrivateKeyStructure(this.getS(), params);
        }

        if (algorithm.equals("ECGOST3410"))
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), keyStructure.getDERObject());
        }
        else
        {

            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), keyStructure.getDERObject());
        }

        return info.getDEREncoded();
    }
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            this.d = derD.getValue();
        }
        else
        {
            ECPrivateKeyStructure   ec = new ECPrivateKeyStructure((ASN1Sequence)info.getPrivateKey());

            this.d = ec.getKey();
        }
    }
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        PrivateKeyInfo          info;
       
        if (algorithm.equals("ECGOST3410"))
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());
        }
        else
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());
        }
       
        try
        {
            dOut.writeObject(info);
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            this.d = derD.getValue();
        }
        else
        {
            ECPrivateKeyStructure   ec = new ECPrivateKeyStructure((ASN1Sequence)info.getPrivateKey());

            this.d = ec.getKey();
        }
    }
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        PrivateKeyInfo          info;
       
        if (algorithm.equals("ECGOST3410"))
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), new ECPrivateKeyStructure(this.getS()).getDERObject());
        }
        else
        {
            info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getS()).getDERObject());
        }

        return info.getDEREncoded();
    }
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    private KeyPair readECPrivateKey(String endMarker)
        throws IOException
    {
        try
        {
            ECPrivateKeyStructure pKey = new ECPrivateKeyStructure((ASN1Sequence)ASN1Object.fromByteArray(readBytes(endMarker)));
            AlgorithmIdentifier   algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
            PrivateKeyInfo        privInfo = new PrivateKeyInfo(algId, pKey.getDERObject());
            SubjectPublicKeyInfo  pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());
            PKCS8EncodedKeySpec   privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
            X509EncodedKeySpec    pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
            KeyFactory            fact = KeyFactory.getInstance("EC", provider);

            return new KeyPair(fact.generatePublic(pubSpec), fact.generatePrivate(privSpec));
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    private KeyPair readECPrivateKey(String endMarker)
        throws IOException
    {
        try
        {
            ECPrivateKeyStructure pKey = new ECPrivateKeyStructure((ASN1Sequence)ASN1Object.fromByteArray(readBytes(endMarker)));
            AlgorithmIdentifier   algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
            PrivateKeyInfo        privInfo = new PrivateKeyInfo(algId, pKey.getDERObject());
            SubjectPublicKeyInfo  pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());
            PKCS8EncodedKeySpec   privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
            X509EncodedKeySpec    pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
            KeyFactory            fact = KeyFactory.getInstance("ECDSA", provider);

            return new KeyPair(fact.generatePublic(pubSpec), fact.generatePrivate(privSpec));
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    private KeyPair readECPrivateKey(String endMarker)
        throws IOException
    {
        try
        {
            ECPrivateKeyStructure pKey = new ECPrivateKeyStructure((ASN1Sequence)ASN1Object.fromByteArray(readBytes(endMarker)));
            AlgorithmIdentifier   algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
            PrivateKeyInfo        privInfo = new PrivateKeyInfo(algId, pKey.getDERObject());
            SubjectPublicKeyInfo  pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());
            PKCS8EncodedKeySpec   privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
            X509EncodedKeySpec    pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
            KeyFactory            fact = KeyFactory.getInstance("ECDSA", provider);

            return new KeyPair(fact.generatePublic(pubSpec), fact.generatePrivate(privSpec));
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Related Classes of org.bouncycastle.asn1.sec.ECPrivateKeyStructure

  • org.bouncycastle.asn1.ASN1Encodable
  • org.bouncycastle.asn1.ASN1EncodableVector
  • org.bouncycastle.asn1.ASN1Integer
  • org.bouncycastle.asn1.ASN1OctetString
  • org.bouncycastle.asn1.ASN1SequenceParser
  • org.bouncycastle.asn1.ASN1SetParser
  • org.bouncycastle.asn1.ASN1TaggedObject
  • org.bouncycastle.asn1.BERSequence
  • org.bouncycastle.asn1.BERTaggedObject
  • org.bouncycastle.asn1.cms.AuthEnvelopedDataParser
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