// 
// Decompiled by Procyon v0.6.0
// 

package org.bouncycastle.asn1.sec;

import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1BitString;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.util.BigIntegers;
import org.bouncycastle.asn1.ASN1Integer;
import java.math.BigInteger;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1Object;

public class ECPrivateKey extends ASN1Object
{
    private ASN1Sequence seq;
    
    private ECPrivateKey(final ASN1Sequence seq) {
        this.seq = seq;
    }
    
    public static ECPrivateKey getInstance(final Object o) {
        if (o instanceof ECPrivateKey) {
            return (ECPrivateKey)o;
        }
        if (o != null) {
            return new ECPrivateKey(ASN1Sequence.getInstance(o));
        }
        return null;
    }
    
    @Deprecated
    public ECPrivateKey(final BigInteger bigInteger) {
        this(bigInteger.bitLength(), bigInteger);
    }
    
    public ECPrivateKey(final int n, final BigInteger bigInteger) {
        this.seq = new DERSequence(new ASN1Integer(1L), new DEROctetString(BigIntegers.asUnsignedByteArray((n + 7) / 8, bigInteger)));
    }
    
    @Deprecated
    public ECPrivateKey(final BigInteger bigInteger, final ASN1Encodable asn1Encodable) {
        this(bigInteger, null, asn1Encodable);
    }
    
    @Deprecated
    public ECPrivateKey(final BigInteger bigInteger, final ASN1BitString asn1BitString, final ASN1Encodable asn1Encodable) {
        this(bigInteger.bitLength(), bigInteger, asn1BitString, asn1Encodable);
    }
    
    public ECPrivateKey(final int n, final BigInteger bigInteger, final ASN1Encodable asn1Encodable) {
        this(n, bigInteger, null, asn1Encodable);
    }
    
    public ECPrivateKey(final int n, final BigInteger bigInteger, final ASN1BitString asn1BitString, final ASN1Encodable asn1Encodable) {
        final byte[] unsignedByteArray = BigIntegers.asUnsignedByteArray((n + 7) / 8, bigInteger);
        final ASN1EncodableVector asn1EncodableVector = new ASN1EncodableVector(4);
        asn1EncodableVector.add(new ASN1Integer(1L));
        asn1EncodableVector.add(new DEROctetString(unsignedByteArray));
        if (asn1Encodable != null) {
            asn1EncodableVector.add(new DERTaggedObject(true, 0, asn1Encodable));
        }
        if (asn1BitString != null) {
            asn1EncodableVector.add(new DERTaggedObject(true, 1, asn1BitString));
        }
        this.seq = new DERSequence(asn1EncodableVector);
    }
    
    public BigInteger getKey() {
        return new BigInteger(1, ((ASN1OctetString)this.seq.getObjectAt(1)).getOctets());
    }
    
    public ASN1BitString getPublicKey() {
        return (ASN1BitString)this.getObjectInTag(1, 3);
    }
    
    @Deprecated
    public ASN1Primitive getParameters() {
        return this.getParametersObject().toASN1Primitive();
    }
    
    public ASN1Object getParametersObject() {
        return this.getObjectInTag(0, -1);
    }
    
    private ASN1Object getObjectInTag(final int n, final int n2) {
        final Enumeration objects = this.seq.getObjects();
        while (objects.hasMoreElements()) {
            final ASN1Encodable asn1Encodable = objects.nextElement();
            if (asn1Encodable instanceof ASN1TaggedObject) {
                final ASN1TaggedObject asn1TaggedObject = (ASN1TaggedObject)asn1Encodable;
                if (asn1TaggedObject.hasContextTag(n)) {
                    return (n2 < 0) ? asn1TaggedObject.getExplicitBaseObject().toASN1Primitive() : asn1TaggedObject.getBaseUniversal(true, n2);
                }
                continue;
            }
        }
        return null;
    }
    
    @Override
    public ASN1Primitive toASN1Primitive() {
        return this.seq;
    }
}