diff options
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/DERGenerator.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/DERGenerator.java | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/DERGenerator.java b/core/src/main/java/org/bouncycastle/asn1/DERGenerator.java deleted file mode 100644 index 7451ad40..00000000 --- a/core/src/main/java/org/bouncycastle/asn1/DERGenerator.java +++ /dev/null @@ -1,119 +0,0 @@ -package org.bouncycastle.asn1; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.OutputStream; - -import org.bouncycastle.util.io.Streams; - -public abstract class DERGenerator - extends ASN1Generator -{ - private boolean _tagged = false; - private boolean _isExplicit; - private int _tagNo; - - protected DERGenerator( - OutputStream out) - { - super(out); - } - - public DERGenerator( - OutputStream out, - int tagNo, - boolean isExplicit) - { - super(out); - - _tagged = true; - _isExplicit = isExplicit; - _tagNo = tagNo; - } - - private void writeLength( - OutputStream out, - int length) - throws IOException - { - if (length > 127) - { - int size = 1; - int val = length; - - while ((val >>>= 8) != 0) - { - size++; - } - - out.write((byte)(size | 0x80)); - - for (int i = (size - 1) * 8; i >= 0; i -= 8) - { - out.write((byte)(length >> i)); - } - } - else - { - out.write((byte)length); - } - } - - void writeDEREncoded( - OutputStream out, - int tag, - byte[] bytes) - throws IOException - { - out.write(tag); - writeLength(out, bytes.length); - out.write(bytes); - } - - void writeDEREncoded( - int tag, - byte[] bytes) - throws IOException - { - if (_tagged) - { - int tagNum = _tagNo | BERTags.TAGGED; - - if (_isExplicit) - { - int newTag = _tagNo | BERTags.CONSTRUCTED | BERTags.TAGGED; - - ByteArrayOutputStream bOut = new ByteArrayOutputStream(); - - writeDEREncoded(bOut, tag, bytes); - - writeDEREncoded(_out, newTag, bOut.toByteArray()); - } - else - { - if ((tag & BERTags.CONSTRUCTED) != 0) - { - writeDEREncoded(_out, tagNum | BERTags.CONSTRUCTED, bytes); - } - else - { - writeDEREncoded(_out, tagNum, bytes); - } - } - } - else - { - writeDEREncoded(_out, tag, bytes); - } - } - - void writeDEREncoded( - OutputStream out, - int tag, - InputStream in) - throws IOException - { - writeDEREncoded(out, tag, Streams.readAll(in)); - } -} |