internal BufferedBerOctetStream(
BerOctetStringGenerator gen,
byte[] buf)
{
_gen = gen;
_buf = buf;
_off = 0;
_derOut = new DerOutputStream(_gen.Out);
}
internal override void Encode(
DerOutputStream derOut)
{
if (derOut is Asn1OutputStream || derOut is BerOutputStream)
{
derOut.WriteTag((byte)(Asn1Tags.Constructed | Asn1Tags.Tagged), tagNo);
derOut.WriteByte(0x80);
if (!IsEmpty())
{
if (!explicitly)
{
IEnumerable eObj;
if (obj is Asn1OctetString)
{
if (obj is BerOctetString)
{
eObj = (BerOctetString) obj;
}
else
{
Asn1OctetString octs = (Asn1OctetString)obj;
eObj = new BerOctetString(octs.GetOctets());
}
}
else if (obj is Asn1Sequence)
{
eObj = (Asn1Sequence) obj;
}
else if (obj is Asn1Set)
{
eObj = (Asn1Set) obj;
}
else
{
throw Platform.CreateNotImplementedException(obj.GetType().Name);
}
foreach (Asn1Encodable o in eObj)
{
derOut.WriteObject(o);
}
}
else
{
derOut.WriteObject(obj);
}
}
derOut.WriteByte(0x00);
derOut.WriteByte(0x00);
}
else
{
base.Encode(derOut);
}
}
internal override void Encode(
DerOutputStream derOut)
{
if (derOut is Asn1OutputStream || derOut is BerOutputStream)
{
derOut.WriteByte(Asn1Tags.Null);
}
else
{
base.Encode(derOut);
}
}
public byte[] GetEncoded(
string encoding)
{
if (encoding.Equals(Der))
{
MemoryStream bOut = new MemoryStream();
DerOutputStream dOut = new DerOutputStream(bOut);
dOut.WriteObject(this);
return bOut.ToArray();
}
return GetEncoded();
}
internal override void Encode(
DerOutputStream derOut)
{
lock (this)
{
if (encoded == null)
{
base.Encode(derOut);
}
else
{
derOut.WriteEncoded(Asn1Tags.Set | Asn1Tags.Constructed, encoded);
}
}
}
/*
* 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.
*/
internal override void Encode(
DerOutputStream derOut)
{
// TODO Intermediate buffer could be avoided if we could calculate expected length
MemoryStream bOut = new MemoryStream();
DerOutputStream dOut = new DerOutputStream(bOut);
foreach (Asn1Encodable obj in this)
{
dOut.WriteObject(obj);
}
dOut.Dispose();
byte[] bytes = bOut.ToArray();
derOut.WriteEncoded(Asn1Tags.Sequence | Asn1Tags.Constructed, bytes);
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Enumerated, bytes);
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Null, zeroBytes);
}
internal abstract void Encode(DerOutputStream derOut);
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Null, this.zeroBytes);
}
public override void Encode(DerOutputStream derOut)
{
throw new NotImplementedException();
}
public abstract void Encode(DerOutputStream derOut);
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Integer, bytes);
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Utf8String, Encoding.UTF8.GetBytes(str));
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.NumericString, GetOctets());
}
internal override void Encode(
DerOutputStream derOut)
{
// TODO Should we make sure the byte value is one of '0' or '0xff' here?
derOut.WriteEncoded(Asn1Tags.Boolean, new byte[] { value });
}
public override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Null, zeroBytes);
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.ObjectIdentifier, GetBody());
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Utf8String, Encoding.UTF8.GetBytes(str));
}
internal override void Encode(
DerOutputStream derOut)
{
// TODO Should we make sure the byte value is one of '0' or '0xff' here?
derOut.WriteEncoded(Asn1Tags.Boolean, new byte[]{ value });
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.UniversalString, this.str);
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.ObjectIdentifier, GetBody());
}
internal override void Encode(
DerOutputStream derOut)
{
if (derOut is Asn1OutputStream || derOut is BerOutputStream)
{
derOut.WriteByte(Asn1Tags.Constructed | Asn1Tags.OctetString);
derOut.WriteByte(0x80);
//
// write out the octet array
//
foreach (DerOctetString oct in this)
{
derOut.WriteObject(oct);
}
derOut.WriteByte(0x00);
derOut.WriteByte(0x00);
}
else
{
base.Encode(derOut);
}
}
internal override void Encode(
DerOutputStream derOut)
{
char[] c = str.ToCharArray();
byte[] b = new byte[c.Length * 2];
for (int i = 0; i != c.Length; i++)
{
b[2 * i] = (byte)(c[i] >> 8);
b[2 * i + 1] = (byte)c[i];
}
derOut.WriteEncoded(Asn1Tags.BmpString, b);
}
internal override void Encode(DerOutputStream derOut)
{
throw new NotImplementedException();
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.GeneralizedTime, GetOctets());
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Integer, bytes);
}
internal override void Encode(DerOutputStream derOut)
{
MemoryStream ms = new MemoryStream();
WriteEncodable(ms, directReference);
WriteEncodable(ms, indirectReference);
WriteEncodable(ms, dataValueDescriptor);
WriteEncodable(ms, new DerTaggedObject(Asn1Tags.External, externalContent));
derOut.WriteEncoded(Asn1Tags.Constructed, Asn1Tags.External, ms.ToArray());
}
internal override void Encode(
DerOutputStream derOut)
{
byte[] bytes = new byte[GetBytes().Length + 1];
bytes[0] = (byte) PadBits;
Array.Copy(GetBytes(), 0, bytes, 1, bytes.Length - 1);
derOut.WriteEncoded(Asn1Tags.BitString, bytes);
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.VisibleString, GetOctets());
}
internal override void Encode(
DerOutputStream derOut)
{
derOut.WriteEncoded(Asn1Tags.Enumerated, bytes);
}
internal override void Encode(
DerOutputStream derOut)
{
int classBits = Asn1Tags.Application;
if (isConstructed)
{
classBits |= Asn1Tags.Constructed;
}
derOut.WriteEncoded(classBits, tag, octets);
}
internal abstract void Encode(DerOutputStream derOut);
