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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 JDK 1.6.

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package org.bouncycastle.asn1.smime;

import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.DERSet;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.cms.Attribute;
import org.bouncycastle.asn1.cms.IssuerAndSerialNumber;
import org.bouncycastle.asn1.cms.RecipientKeyIdentifier;

/**
 * The SMIMEEncryptionKeyPreference object.
 * 
 * SMIMEEncryptionKeyPreference ::= CHOICE {
 *     issuerAndSerialNumber   [0] IssuerAndSerialNumber,
 *     receipentKeyId          [1] RecipientKeyIdentifier,
 *     subjectAltKeyIdentifier [2] SubjectKeyIdentifier
 * }
 * 
*/ public class SMIMEEncryptionKeyPreferenceAttribute extends Attribute { public SMIMEEncryptionKeyPreferenceAttribute( IssuerAndSerialNumber issAndSer) { super(SMIMEAttributes.encrypKeyPref, new DERSet(new DERTaggedObject(false, 0, issAndSer))); } public SMIMEEncryptionKeyPreferenceAttribute( RecipientKeyIdentifier rKeyId) { super(SMIMEAttributes.encrypKeyPref, new DERSet(new DERTaggedObject(false, 1, rKeyId))); } /** * @param sKeyId the subjectKeyIdentifier value (normally the X.509 one) */ public SMIMEEncryptionKeyPreferenceAttribute( ASN1OctetString sKeyId) { super(SMIMEAttributes.encrypKeyPref, new DERSet(new DERTaggedObject(false, 2, sKeyId))); } }




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