OriginatorPublicKey.java
资源名称:security.rar [点击查看]
上传用户:lior1029
上传日期:2013-05-07
资源大小:209k
文件大小:3k
源码类别:
CA认证
开发平台:
Java
- package org.bouncycastle.asn1.cms;
- import org.bouncycastle.asn1.ASN1Sequence;
- import org.bouncycastle.asn1.ASN1TaggedObject;
- import org.bouncycastle.asn1.DERSequence;
- import org.bouncycastle.asn1.DERBitString;
- import org.bouncycastle.asn1.DERObject;
- import org.bouncycastle.asn1.DERObjectIdentifier;
- import org.bouncycastle.asn1.DEREncodable;
- import org.bouncycastle.asn1.ASN1EncodableVector;
- import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
- public class OriginatorPublicKey
- implements DEREncodable
- {
- private AlgorithmIdentifier algorithm;
- private DERBitString publicKey;
- public OriginatorPublicKey(
- AlgorithmIdentifier algorithm,
- byte[] publicKey)
- {
- this.algorithm = algorithm;
- this.publicKey = new DERBitString(publicKey);
- }
- public OriginatorPublicKey(
- ASN1Sequence seq)
- {
- algorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(0));
- publicKey = (DERBitString)seq.getObjectAt(1);
- }
- /**
- * return an OriginatorPublicKey object from a tagged object.
- *
- * @param obj 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 OriginatorPublicKey getInstance(
- ASN1TaggedObject obj,
- boolean explicit)
- {
- return getInstance(ASN1Sequence.getInstance(obj, explicit));
- }
- /**
- * return an OriginatorPublicKey object from the given object.
- *
- * @param obj the object we want converted.
- * @exception IllegalArgumentException if the object cannot be converted.
- */
- public static OriginatorPublicKey getInstance(
- Object obj)
- {
- if (obj == null || obj instanceof OriginatorPublicKey)
- {
- return (OriginatorPublicKey)obj;
- }
- if (obj instanceof ASN1Sequence)
- {
- return new OriginatorPublicKey((ASN1Sequence)obj);
- }
- throw new IllegalArgumentException("Invalid OriginatorPublicKey: " + obj.getClass().getName());
- }
- public AlgorithmIdentifier getAlgorithm()
- {
- return algorithm;
- }
- public DERBitString getPublicKey()
- {
- return publicKey;
- }
- /**
- * <pre>
- * OriginatorPublicKey ::= SEQUENCE {
- * algorithm AlgorithmIdentifier,
- * publicKey BIT STRING
- * }
- * </pre>
- */
- public DERObject getDERObject()
- {
- ASN1EncodableVector v = new ASN1EncodableVector();
- v.add(algorithm);
- v.add(publicKey);
- return new DERSequence(v);
- }
- }