All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.bouncycastle.asn1.cms.SignerIdentifier Maven / Gradle / Ivy

Go to download

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.

The newest version!
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.ASN1TaggedObject;
import org.bouncycastle.asn1.DERTaggedObject;

/**
 * RFC 5652:
 * Identify who signed the containing {@link SignerInfo} object.
 * 

* The certificates referred to by this are at containing {@link SignedData} structure. *

*

 * SignerIdentifier ::= CHOICE {
 *     issuerAndSerialNumber IssuerAndSerialNumber,
 *     subjectKeyIdentifier [0] SubjectKeyIdentifier 
 * }
 *
 * SubjectKeyIdentifier ::= OCTET STRING
 * 
*/ public class SignerIdentifier extends ASN1Object implements ASN1Choice { private ASN1Encodable id; public SignerIdentifier( IssuerAndSerialNumber id) { this.id = id; } public SignerIdentifier( ASN1OctetString id) { this.id = new DERTaggedObject(false, 0, id); } public SignerIdentifier( ASN1Primitive id) { this.id = id; } /** * Return a SignerIdentifier object from the given object. *

* Accepted inputs: *

    *
  • null → null *
  • {@link SignerIdentifier} object *
  • {@link IssuerAndSerialNumber} object *
  • {@link org.bouncycastle.asn1.ASN1OctetString#getInstance(java.lang.Object) ASN1OctetString} input formats with SignerIdentifier structure inside *
  • {@link org.bouncycastle.asn1.ASN1Primitive ASN1Primitive} for SignerIdentifier constructor. *
* * @param o the object we want converted. * @exception IllegalArgumentException if the object cannot be converted. */ public static SignerIdentifier getInstance( Object o) { if (o == null || o instanceof SignerIdentifier) { return (SignerIdentifier)o; } if (o instanceof IssuerAndSerialNumber) { return new SignerIdentifier((IssuerAndSerialNumber)o); } if (o instanceof ASN1OctetString) { return new SignerIdentifier((ASN1OctetString)o); } if (o instanceof ASN1Primitive) { return new SignerIdentifier((ASN1Primitive)o); } throw new IllegalArgumentException( "Illegal object in SignerIdentifier: " + o.getClass().getName()); } public boolean isTagged() { return (id instanceof ASN1TaggedObject); } public ASN1Encodable getId() { if (id instanceof ASN1TaggedObject) { return ASN1OctetString.getInstance((ASN1TaggedObject)id, false); } return id; } /** * Produce an object suitable for an ASN1OutputStream. */ public ASN1Primitive toASN1Primitive() { return id.toASN1Primitive(); } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy