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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 1.5 to JDK 1.8. Note: this package includes the NTRU encryption algorithms.

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package org.bouncycastle.asn1.cms;

import org.bouncycastle.asn1.ASN1Choice;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x509.SubjectKeyIdentifier;

/**
 * RFC 5652:
 * Content encryption key delivery mechanisms.
 * 
 * OriginatorIdentifierOrKey ::= CHOICE {
 *     issuerAndSerialNumber IssuerAndSerialNumber,
 *     subjectKeyIdentifier [0] SubjectKeyIdentifier,
 *     originatorKey [1] OriginatorPublicKey 
 * }
 *
 * SubjectKeyIdentifier ::= OCTET STRING
 * 
*/ public class OriginatorIdentifierOrKey extends ASN1Object implements ASN1Choice { private ASN1Encodable id; public OriginatorIdentifierOrKey( IssuerAndSerialNumber id) { this.id = id; } /** * @deprecated use version taking a SubjectKeyIdentifier */ public OriginatorIdentifierOrKey( ASN1OctetString id) { this(new SubjectKeyIdentifier(id.getOctets())); } public OriginatorIdentifierOrKey( SubjectKeyIdentifier id) { this.id = new DERTaggedObject(false, 0, id); } public OriginatorIdentifierOrKey( OriginatorPublicKey id) { this.id = new DERTaggedObject(false, 1, id); } /** * @deprecated use more specific version */ public OriginatorIdentifierOrKey( ASN1Primitive id) { this.id = id; } /** * Return an OriginatorIdentifierOrKey object from a tagged object. * * @param o the tagged object holding the object we want. * @param explicit true if the object is meant to be explicitly * tagged false otherwise. * @exception IllegalArgumentException if the object held by the * tagged object cannot be converted. */ public static OriginatorIdentifierOrKey getInstance( ASN1TaggedObject o, boolean explicit) { if (!explicit) { throw new IllegalArgumentException( "Can't implicitly tag OriginatorIdentifierOrKey"); } return getInstance(o.getObject()); } /** * Return an OriginatorIdentifierOrKey object from the given object. *

* Accepted inputs: *

    *
  • null → null *
  • {@link OriginatorIdentifierOrKey} object *
  • {@link IssuerAndSerialNumber} object *
  • {@link org.bouncycastle.asn1.ASN1TaggedObject#getInstance(java.lang.Object) ASN1TaggedObject} input formats with IssuerAndSerialNumber structure inside *
* * @param o the object we want converted. * @exception IllegalArgumentException if the object cannot be converted. */ public static OriginatorIdentifierOrKey getInstance( Object o) { if (o == null || o instanceof OriginatorIdentifierOrKey) { return (OriginatorIdentifierOrKey)o; } if (o instanceof IssuerAndSerialNumber || o instanceof ASN1Sequence) { return new OriginatorIdentifierOrKey(IssuerAndSerialNumber.getInstance(o)); } if (o instanceof ASN1TaggedObject) { ASN1TaggedObject tagged = (ASN1TaggedObject)o; if (tagged.getTagNo() == 0) { return new OriginatorIdentifierOrKey(SubjectKeyIdentifier.getInstance(tagged, false)); } else if (tagged.getTagNo() == 1) { return new OriginatorIdentifierOrKey(OriginatorPublicKey.getInstance(tagged, false)); } } throw new IllegalArgumentException("Invalid OriginatorIdentifierOrKey: " + o.getClass().getName()); } public ASN1Encodable getId() { return id; } public IssuerAndSerialNumber getIssuerAndSerialNumber() { if (id instanceof IssuerAndSerialNumber) { return (IssuerAndSerialNumber)id; } return null; } public SubjectKeyIdentifier getSubjectKeyIdentifier() { if (id instanceof ASN1TaggedObject && ((ASN1TaggedObject)id).getTagNo() == 0) { return SubjectKeyIdentifier.getInstance((ASN1TaggedObject)id, false); } return null; } public OriginatorPublicKey getOriginatorKey() { if (id instanceof ASN1TaggedObject && ((ASN1TaggedObject)id).getTagNo() == 1) { return OriginatorPublicKey.getInstance((ASN1TaggedObject)id, false); } return null; } /** * Produce an object suitable for an ASN1OutputStream. */ public ASN1Primitive toASN1Primitive() { return id.toASN1Primitive(); } }




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