org.bouncycastle.asn1.bc.SecretKeyData Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcprov-ext-debug-jdk18on Show documentation

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for Java 1.8 and later with debug enabled.

The newest version!

package org.bouncycastle.asn1.bc;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.util.Arrays;

/**
 *  *     SecretKeyData ::= SEQUENCE {
 *         keyAlgorithm OBJECT IDENTIFIER,
 *         keyBytes OCTET STRING
 *     }
 * 
 */
public class SecretKeyData
    extends ASN1Object
{
    private final ASN1ObjectIdentifier keyAlgorithm;
    private final ASN1OctetString keyBytes;

    public SecretKeyData(ASN1ObjectIdentifier keyAlgorithm, byte[] keyBytes)
    {
        this.keyAlgorithm = keyAlgorithm;
        this.keyBytes = new DEROctetString(Arrays.clone(keyBytes));
    }

    private SecretKeyData(ASN1Sequence seq)
    {
        this.keyAlgorithm = ASN1ObjectIdentifier.getInstance(seq.getObjectAt(0));
        this.keyBytes = ASN1OctetString.getInstance(seq.getObjectAt(1));
    }

    public static SecretKeyData getInstance(Object o)
    {
        if (o instanceof SecretKeyData)
        {
            return (SecretKeyData)o;
        }
        else if (o != null)
        {
            return new SecretKeyData(ASN1Sequence.getInstance(o));
        }

        return null;
    }

    public byte[] getKeyBytes()
    {
        return Arrays.clone(keyBytes.getOctets());
    }

    public ASN1ObjectIdentifier getKeyAlgorithm()
    {
        return keyAlgorithm;
    }

    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector v = new ASN1EncodableVector(2);

        v.add(keyAlgorithm);
        v.add(keyBytes);

        return new DERSequence(v);
    }
}