DERSequence.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:1k
源码类别:
CA认证
开发平台:
Java
- package org.bouncycastle.asn1;
- import java.io.*;
- import java.util.*;
- public class DERSequence
- extends ASN1Sequence
- {
- /**
- * create an empty sequence
- */
- public DERSequence()
- {
- }
- /**
- * create a sequence containing one object
- */
- public DERSequence(
- DEREncodable obj)
- {
- this.addObject(obj);
- }
- /**
- * create a sequence containing a vector of objects.
- */
- public DERSequence(
- DEREncodableVector v)
- {
- for (int i = 0; i != v.size(); i++)
- {
- this.addObject(v.get(i));
- }
- }
- /*
- * A note on the implementation:
- * <p>
- * As DER requires the constructed, definite-length model to
- * be used for structured types, this varies slightly from the
- * ASN.1 descriptions given. Rather than just outputing SEQUENCE,
- * we also have to specify CONSTRUCTED, and the objects length.
- */
- void encode(
- DEROutputStream out)
- throws IOException
- {
- ByteArrayOutputStream bOut = new ByteArrayOutputStream();
- DEROutputStream dOut = new DEROutputStream(bOut);
- Enumeration e = this.getObjects();
- while (e.hasMoreElements())
- {
- Object obj = e.nextElement();
- dOut.writeObject(obj);
- }
- dOut.close();
- byte[] bytes = bOut.toByteArray();
- out.writeEncoded(SEQUENCE | CONSTRUCTED, bytes);
- }
- }