recipientinfo.java

来自「进行与数字证书相关开发必须的java源码」· Java 代码 · 共 79 行

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   RecipientInfo.java

package jit.asn1.pkcs.pkcs7;

import jit.asn1.*;
import jit.asn1.x509.AlgorithmIdentifier;

// Referenced classes of package jit.asn1.pkcs.pkcs7:
//            IssuerAndSerialNumber

public class RecipientInfo
    implements DEREncodable
{

    private DERInteger version;
    private IssuerAndSerialNumber issuerAndSerialNumber;
    private AlgorithmIdentifier keyEncryptionAlgorithm;
    private ASN1OctetString encryptedKey;

    public static RecipientInfo getInstance(Object o)
    {
        if(o == null || (o instanceof RecipientInfo))
            return (RecipientInfo)o;
        if(o instanceof ASN1Sequence)
            return new RecipientInfo((ASN1Sequence)o);
        else
            throw new IllegalArgumentException("unknown object in factory:".concat(String.valueOf(String.valueOf(o.getClass().getName()))));
    }

    public RecipientInfo(DERInteger _version, IssuerAndSerialNumber _issuerAndSerialNumber, AlgorithmIdentifier _keyEncryptionAlgorithm, ASN1OctetString _encryptedKey)
    {
        version = _version;
        issuerAndSerialNumber = _issuerAndSerialNumber;
        keyEncryptionAlgorithm = _keyEncryptionAlgorithm;
        encryptedKey = _encryptedKey;
    }

    public RecipientInfo(ASN1Sequence seq)
    {
        version = (DERInteger)seq.getObjectAt(0);
        issuerAndSerialNumber = IssuerAndSerialNumber.getInstance(seq.getObjectAt(1));
        keyEncryptionAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(2));
        encryptedKey = DEROctetString.getInstance(seq.getObjectAt(3));
    }

    public DERInteger getVersion()
    {
        return version;
    }

    public IssuerAndSerialNumber getIssuerAndSerialNumber()
    {
        return issuerAndSerialNumber;
    }

    public AlgorithmIdentifier getKeyEncryptionAlgorithm()
    {
        return keyEncryptionAlgorithm;
    }

    public ASN1OctetString getEncryptedKey()
    {
        return encryptedKey;
    }

    public DERObject getDERObject()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(version);
        v.add(issuerAndSerialNumber);
        v.add(keyEncryptionAlgorithm);
        v.add(encryptedKey);
        return new DERSequence(v);
    }
}