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Basic formatting applied. Unnecessary comments have been removed. Suspicious code is covered by TODO.
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HOME-LAPTOP\kshkulev
2025-08-12 11:21:10 +09:00
parent bbcbe841a7
commit 33ab055b43
546 changed files with 176950 additions and 0 deletions
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236
Hcs.Client/GostCryptography/Asn1/Ber/Asn1CerOutputStream.cs Normal file
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using System.IO;
namespace GostCryptography.Asn1.Ber
{
public class Asn1CerOutputStream : Asn1BerOutputStream
{
public Asn1CerOutputStream(Stream outputStream)
: base(outputStream)
{
}
public Asn1CerOutputStream(Stream outputStream, int bufSize)
: base(outputStream, bufSize)
{
}
public override void Encode(Asn1Type type, bool explicitTagging)
{
type.Encode(this, explicitTagging);
}
public override void EncodeBitString(byte[] value, int numbits, bool explicitTagging, Asn1Tag tag)
{
if ((((numbits + 7) / 8) + 1) <= 0x3e8)
{
base.EncodeBitString(value, numbits, explicitTagging, tag);
}
else
{
if (explicitTagging)
{
EncodeTagAndIndefLen(Asn1BitString.Tag.Class, 0x20, Asn1BitString.Tag.IdCode);
}
else
{
OutputStream.WriteByte(0x80);
}
var num = (numbits + 7) / 8;
var num2 = numbits % 8;
if (num2 != 0)
{
num2 = 8 - num2;
value[num - 1] = (byte)(value[num - 1] & ((byte)~((1 << num2) - 1)));
}
for (var i = 0; i < num; i += 0x3e8)
{
var len = num - i;
if (len > 0x3e8)
{
len = 0x3e8;
EncodeTagAndLength(Asn1BitString.Tag, len);
}
else
{
EncodeTagAndLength(Asn1BitString.Tag, len + 1);
OutputStream.WriteByte((byte)num2);
}
if (len > 0)
{
OutputStream.Write(value, i, len);
}
}
EncodeEoc();
}
}
public override void EncodeBmpString(string value, bool explicitTagging, Asn1Tag tag)
{
if ((value == null) || (value.Length <= 500))
{
base.EncodeBmpString(value, explicitTagging, tag);
}
else
{
if (explicitTagging)
{
EncodeTagAndIndefLen(Asn1BmpString.Tag.Class, 0x20, Asn1BmpString.Tag.IdCode);
}
else
{
OutputStream.WriteByte(0x80);
}
for (var i = 0; i < value.Length; i += 500)
{
var num2 = value.Length - i;
if (num2 > 500)
{
num2 = 500;
}
EncodeTagAndLength(Asn1OctetString.Tag, num2 * 2);
for (var j = 0; j < num2; j++)
{
var num5 = value[j + i];
var num4 = num5 / 0x100;
var num3 = num5 % 0x100;
OutputStream.WriteByte((byte)num4);
OutputStream.WriteByte((byte)num3);
}
}
EncodeEoc();
}
}
public override void EncodeCharString(string value, bool explicitTagging, Asn1Tag tag)
{
if ((value == null) || (value.Length <= 0x3e8))
{
base.EncodeCharString(value, explicitTagging, tag);
}
else
{
var data = Asn1Util.ToByteArray(value);
if (explicitTagging)
{
EncodeTag(tag.Class, 0x20, tag.IdCode);
}
EncodeOctetString(data, false, tag);
}
}
public override void EncodeOctetString(byte[] value, bool explicitTagging, Asn1Tag tag)
{
if ((value == null) || (value.Length <= 0x3e8))
{
base.EncodeOctetString(value, explicitTagging, tag);
}
else
{
if (explicitTagging)
{
EncodeTagAndIndefLen(Asn1OctetString.Tag.Class, 0x20, Asn1OctetString.Tag.IdCode);
}
else
{
OutputStream.WriteByte(0x80);
}
for (var i = 0; i < value.Length; i += 0x3e8)
{
var len = value.Length - i;
if (len > 0x3e8)
{
len = 0x3e8;
}
EncodeTagAndLength(Asn1OctetString.Tag, len);
Write(value, i, len);
}
EncodeEoc();
}
}
public virtual void EncodeStringTag(int nbytes, Asn1Tag tag)
{
if (nbytes <= 0x3e8)
{
EncodeTag(tag);
}
else
{
EncodeTag(tag.Class, 0x20, tag.IdCode);
}
}
public virtual void EncodeStringTag(int nbytes, short tagClass, short tagForm, int tagIdCode)
{
if (nbytes <= 0x3e8)
{
EncodeTag(new Asn1Tag(tagClass, tagForm, tagIdCode));
}
else
{
EncodeTag(tagClass, 0x20, tagIdCode);
}
}
public override void EncodeUnivString(int[] value, bool explicitTagging, Asn1Tag tag)
{
if ((value == null) || (value.Length <= 250))
{
base.EncodeUnivString(value, explicitTagging, tag);
}
else
{
if (explicitTagging)
{
EncodeTagAndIndefLen(Asn1UniversalString.Tag.Class, 0x20, Asn1UniversalString.Tag.IdCode);
}
else
{
OutputStream.WriteByte(0x80);
}
for (var i = 0; i < value.Length; i += 250)
{
var num2 = value.Length - i;
if (num2 > 250)
{
num2 = 250;
}
EncodeTagAndLength(Asn1OctetString.Tag, num2 * 4);
for (int j = 0; j < num2; j++)
{
var number = value[j + i];
OutputStream.WriteByte((byte)(Asn1Util.UrShift(number, 0x18) & 0xff));
OutputStream.WriteByte((byte)(Asn1Util.UrShift(number, 0x10) & 0xff));
OutputStream.WriteByte((byte)(Asn1Util.UrShift(number, 8) & 0xff));
OutputStream.WriteByte((byte)(number & 0xff));
}
}
EncodeEoc();
}
}
}
}