org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo.java Source code

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Here is the source code for org.bouncycastle.asn1.pkcs.EncryptedPrivateKeyInfo.java

Source

package org.bouncycastle.asn1.pkcs;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
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.asn1.x509.AlgorithmIdentifier;

public class EncryptedPrivateKeyInfo extends ASN1Object {
    private AlgorithmIdentifier algId;
    private ASN1OctetString data;

    private EncryptedPrivateKeyInfo(ASN1Sequence seq) {
        Enumeration e = seq.getObjects();

        algId = AlgorithmIdentifier.getInstance(e.nextElement());
        data = ASN1OctetString.getInstance(e.nextElement());
    }

    public EncryptedPrivateKeyInfo(AlgorithmIdentifier algId, byte[] encoding) {
        this.algId = algId;
        this.data = new DEROctetString(encoding);
    }

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

        return null;
    }

    public AlgorithmIdentifier getEncryptionAlgorithm() {
        return algId;
    }

    public byte[] getEncryptedData() {
        return data.getOctets();
    }

    /**
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     * EncryptedPrivateKeyInfo ::= SEQUENCE {
     *      encryptionAlgorithm AlgorithmIdentifier {{KeyEncryptionAlgorithms}},
     *      encryptedData EncryptedData
     * }
     *
     * EncryptedData ::= OCTET STRING
     *
     * KeyEncryptionAlgorithms ALGORITHM-IDENTIFIER ::= {
     *          ... -- For local profiles
     * }
     * </pre>
     */
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector v = new ASN1EncodableVector(2);

        v.add(algId);
        v.add(data);

        return new DERSequence(v);
    }
}