You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
2.5 KiB
110 lines
2.5 KiB
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) |
|
#pragma warning disable |
|
using System.IO; |
|
|
|
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO; |
|
|
|
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1 |
|
{ |
|
public abstract class BerGenerator |
|
: Asn1Generator |
|
{ |
|
private bool _tagged = false; |
|
private bool _isExplicit; |
|
private int _tagNo; |
|
|
|
protected BerGenerator( |
|
Stream outStream) |
|
: base(outStream) |
|
{ |
|
} |
|
|
|
protected BerGenerator( |
|
Stream outStream, |
|
int tagNo, |
|
bool isExplicit) |
|
: base(outStream) |
|
{ |
|
_tagged = true; |
|
_isExplicit = isExplicit; |
|
_tagNo = tagNo; |
|
} |
|
|
|
public override void AddObject(Asn1Encodable obj) |
|
{ |
|
obj.EncodeTo(Out); |
|
} |
|
|
|
public override void AddObject(Asn1Object obj) |
|
{ |
|
obj.EncodeTo(Out); |
|
} |
|
|
|
public override Stream GetRawOutputStream() |
|
{ |
|
return Out; |
|
} |
|
|
|
public override void Close() |
|
{ |
|
WriteBerEnd(); |
|
} |
|
|
|
private void WriteHdr( |
|
int tag) |
|
{ |
|
Out.WriteByte((byte) tag); |
|
Out.WriteByte(0x80); |
|
} |
|
|
|
protected void WriteBerHeader( |
|
int tag) |
|
{ |
|
if (_tagged) |
|
{ |
|
int tagNum = _tagNo | Asn1Tags.ContextSpecific; |
|
|
|
if (_isExplicit) |
|
{ |
|
WriteHdr(tagNum | Asn1Tags.Constructed); |
|
WriteHdr(tag); |
|
} |
|
else |
|
{ |
|
if ((tag & Asn1Tags.Constructed) != 0) |
|
{ |
|
WriteHdr(tagNum | Asn1Tags.Constructed); |
|
} |
|
else |
|
{ |
|
WriteHdr(tagNum); |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
WriteHdr(tag); |
|
} |
|
} |
|
|
|
protected void WriteBerBody( |
|
Stream contentStream) |
|
{ |
|
Streams.PipeAll(contentStream, Out); |
|
} |
|
|
|
protected void WriteBerEnd() |
|
{ |
|
Out.WriteByte(0x00); |
|
Out.WriteByte(0x00); |
|
|
|
if (_tagged && _isExplicit) // write extra end for tag header |
|
{ |
|
Out.WriteByte(0x00); |
|
Out.WriteByte(0x00); |
|
} |
|
} |
|
} |
|
} |
|
#pragma warning restore |
|
#endif
|
|
|