+++ /dev/null
-package org.bouncycastle.asn1;
-
-import java.io.FilterOutputStream;
-
-import java.io.OutputStream;
-import java.io.IOException;
-
-public class DEROutputStream
- extends FilterOutputStream implements DERTags
-{
- public DEROutputStream(
- OutputStream os)
- {
- super(os);
- }
-
- private void writeLength(
- int length)
- throws IOException
- {
- if (length > 127)
- {
- int size = 1;
- int val = length;
-
- while ((val >>>= 8) != 0)
- {
- size++;
- }
-
- write((byte)(size | 0x80));
-
- for (int i = (size - 1) * 8; i >= 0; i -= 8)
- {
- write((byte)(length >> i));
- }
- }
- else
- {
- write((byte)length);
- }
- }
-
- void writeEncoded(
- int tag,
- byte[] bytes)
- throws IOException
- {
- write(tag);
- writeLength(bytes.length);
- write(bytes);
- }
-
- protected void writeNull()
- throws IOException
- {
- write(NULL);
- write(0x00);
- }
-
- public void writeObject(
- Object obj)
- throws IOException
- {
- if (obj == null)
- {
- writeNull();
- }
- else if (obj instanceof DERObject)
- {
- ((DERObject)obj).encode(this);
- }
- else if (obj instanceof DEREncodable)
- {
- ((DEREncodable)obj).getDERObject().encode(this);
- }
- else
- {
- throw new IOException("object not DEREncodable");
- }
- }
-}