public override void Decode
(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
int llen = implicitLength;
// decode CHOICE
Asn1Tag tag = new Asn1Tag();
buffer.Mark();
int len = buffer.DecodeTagAndLength(tag);
if (tag.Equals(Asn1Tag.Universal, Asn1Tag.PRIM, 5))
{
buffer.Reset();
NULLParams null_ = new NULLParams();
SetElement(_NULL_, null_);
Element.Decode(buffer, true, len);
}
else if (tag.Equals(Asn1Tag.Universal, Asn1Tag.CONS, 16))
{
buffer.Reset();
GostR3410_2012_PublicKeyParameters params_ = new GostR3410_2012_PublicKeyParameters();
SetElement(_PARAMS_, params_);
Element.Decode(buffer, true, len);
}
else
{
throw new Exception("Asn1InvalidChoiceOptionException (buffer, tag)");
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var tag = new Asn1Tag();
buffer.Mark();
var num = buffer.DecodeTagAndLength(tag);
if (tag.Equals(0, 0, NullTypeCode))
{
buffer.Reset();
var element = new NullParams();
SetElement(Null, element);
Element.Decode(buffer, true, num);
}
else
{
if (!tag.Equals(0, 0x20, SequenceTypeCode))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1InvalidChoiceOptionTagException, tag, buffer.ByteCount);
}
buffer.Reset();
var parameters = new GostR341094PublicKeyParameters();
SetElement(Params, parameters);
Element.Decode(buffer, true, num);
}
}
public override void Decode(Asn1BerDecodeBuffer buffer, bool explicitTagging, int implicitLength)
{
var tag = new Asn1Tag();
buffer.Mark();
var num = buffer.DecodeTagAndLength(tag);
if (tag.Equals(0, 0, NullTypeCode))
{
buffer.Reset();
SetElement(Null, new NullParams());
Element.Decode(buffer, true, num);
}
else
{
if (!tag.Equals(0, TagForm, TagIdCode))
{
throw ExceptionUtility.CryptographicException(Resources.Asn1InvalidChoiceOptionTagException, tag, buffer.ByteCount);
}
buffer.Reset();
SetElement(Params, CreateParams());
Element.Decode(buffer, true, num);
}
}
public virtual bool Expired()
{
if (_elemLength == Asn1Status.IndefiniteLength)
{
var parsedLen = new IntHolder();
var flag = _decodeBuffer.MatchTag(0, 0, 0, null, parsedLen);
if (flag)
{
_decodeBuffer.Reset();
}
return(flag);
}
var num = _decodeBuffer.ByteCount - _decBufByteCount;
return(num >= _elemLength);
}
