public virtual void EncodeIdentifier(long ident)
{
var number = 0x7fL;
var identBytesCount = Asn1RunTime.GetIdentBytesCount(ident);
number = number << (7 * identBytesCount);
if (identBytesCount > 0)
{
while (identBytesCount > 0)
{
number = Asn1Util.UrShift(number, 7);
identBytesCount--;
var num3 = Asn1Util.UrShift(ident & number, identBytesCount * 7);
if (identBytesCount != 0)
{
num3 |= 0x80L;
}
OutputStream.WriteByte((byte)num3);
}
}
else
{
OutputStream.WriteByte(0);
}
}
public static int IntTrailingZerosCnt(int w)
{
return(0x20 -
(((w & 0xffff) != 0)
? (((w & 0xff) != 0) ? ((((w & 15) != 0) ? (((w & 3) != 0) ? (((w & 1) != 0) ? 8 : 7) : (((w & 4) != 0) ? 6 : 5)) : (((w & 0x30) != 0) ? (((w & 0x10) != 0) ? 4 : 3) : (((w & 0x40) != 0) ? 2 : (((w & 0x80) != 0) ? 1 : 0)))) + 0x18) : (((((w = Asn1Util.UrShift(w, 8)) & 15) != 0) ? (((w & 3) != 0) ? (((w & 1) != 0) ? 8 : 7) : (((w & 4) != 0) ? 6 : 5)) : (((w & 0x30) != 0) ? (((w & 0x10) != 0) ? 4 : 3) : (((w & 0x40) != 0) ? 2 : (((w & 0x80) != 0) ? 1 : 0)))) + 0x10))
: ((((w = Asn1Util.UrShift(w, 0x10)) & 0xff) != 0) ? ((((w & 15) != 0) ? (((w & 3) != 0) ? (((w & 1) != 0) ? 8 : 7) : (((w & 4) != 0) ? 6 : 5)) : (((w & 0x30) != 0) ? (((w & 0x10) != 0) ? 4 : 3) : (((w & 0x40) != 0) ? 2 : (((w & 0x80) != 0) ? 1 : 0)))) + 8) : ((((w = Asn1Util.UrShift(w, 8)) & 15) != 0) ? (((w & 3) != 0) ? (((w & 1) != 0) ? 8 : 7) : (((w & 4) != 0) ? 6 : 5)) : (((w & 0x30) != 0) ? (((w & 0x10) != 0) ? 4 : 3) : (((w & 0x40) != 0) ? 2 : (((w & 0x80) != 0) ? 1 : 0)))))));
}
public virtual void EncodeUnivString(int[] data, bool explicitTagging, Asn1Tag tag)
{
if (explicitTagging)
{
EncodeTag(tag);
}
if (data == null)
{
EncodeLength(0);
}
else
{
EncodeLength(data.Length * 4);
var length = data.Length;
for (var i = 0; i < length; ++i)
{
var number = data[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));
}
}
}
private static int TrailingZerosCnt(long w)
{
var num = Asn1RunTime.IntTrailingZerosCnt((int)w);
if (num >= RealBase16)
{
return(Asn1RunTime.IntTrailingZerosCnt((int)Asn1Util.UrShift(w, RealBase16)) + RealBase16);
}
return(num);
}
public static int GetUlongBytesCount(long value)
{
var number = -72057594037927936L;
var num2 = 8;
while ((num2 > 1) && ((value & number) == 0L))
{
number = Asn1Util.UrShift(number, 8);
num2--;
}
return(num2);
}
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();
}
}
public void Init(string val, int radix)
{
var str = "";
if (val[0] == '-')
{
val = val.Substring(1);
str = "-";
}
if (val.StartsWith("0x"))
{
radix = 0x10;
val = val.Substring(2);
}
else if (val.StartsWith("0b"))
{
radix = 2;
val = val.Substring(2);
}
else if (val.StartsWith("0o"))
{
radix = 8;
val = val.Substring(2);
}
val = str + val;
var startIndex = 0;
var length = val.Length;
if (((radix != 2) && (radix != 0x10)) && ((radix != 10) && (radix != 8)))
{
throw new FormatException(Resources.Asn1InvalidFormatForBigIntegerValue);
}
if (val.Length == 0)
{
throw new FormatException(Resources.Asn1ZeroLengthBigInteger);
}
_sign = 1;
var index = val.IndexOf('-');
if (index != -1)
{
if (index != 0)
{
throw new FormatException(Resources.Asn1IllegalEmbeddedMinusSign);
}
if (val.Length == 1)
{
throw new FormatException(Resources.Asn1ZeroLengthBigInteger);
}
_sign = -1;
startIndex = 1;
}
while ((startIndex < length) && (val[startIndex] == '0'))
{
startIndex++;
}
if (startIndex == length)
{
_sign = 0;
_value = Zero;
}
else
{
var num2 = length - startIndex;
var num5 = Asn1Util.UrShift(num2 * BitsPerDigit[radix], 10) + 1;
var num1 = (num5 + 0x1f) / 0x20;
_value = new byte[num2];
var num6 = num2 % DigitsPerByte[radix];
if (num6 == 0)
{
num6 = DigitsPerByte[radix];
}
var str2 = val.Substring(startIndex, num6);
startIndex += num6;
_value[_value.Length - 1] = Convert.ToByte(str2, radix);
if (_value[_value.Length - 1] < 0)
{
throw new FormatException(Resources.Asn1IllegalDigit);
}
var y = ByteRadix[radix];
byte z;
while (startIndex < val.Length)
{
str2 = val.Substring(startIndex, DigitsPerByte[radix]);
startIndex += DigitsPerByte[radix];
z = Convert.ToByte(str2, radix);
if (z < 0)
{
throw new FormatException(Resources.Asn1IllegalDigit);
}
DestructiveMulAdd(_value, y, z);
}
_value = TrustedStripLeadingZeroInts(_value);
}
}
public override void Encode(Asn1BerOutputStream outs, bool explicitTagging)
{
if (explicitTagging)
{
outs.EncodeTag(Tag);
}
if (Value == 0.0)
{
outs.EncodeLength(0);
}
else if (Value == double.NegativeInfinity)
{
outs.EncodeIntValue(MinusInfinity, true);
}
else if (Value == double.PositiveInfinity)
{
outs.EncodeIntValue(PlusInfinity, true);
}
else
{
var len = 1;
var num2 = BitConverter.DoubleToInt64Bits(Value);
var num3 = ((num2 >> RealIso6093Mask) == 0L) ? 1 : -1;
var num4 = ((int)((num2 >> 0x34) & 0x7ffL)) - 0x433;
var w = (num4 == 0) ? ((num2 & 0xfffffffffffffL) << 1) : ((num2 & 0xfffffffffffffL) | 0x10000000000000L);
if (w != 0L)
{
var bits = TrailingZerosCnt(w);
w = Asn1Util.UrShift(w, bits);
num4 += bits;
len += Asn1Util.GetUlongBytesCount(w);
}
else
{
len++;
}
var num7 = RealBinary;
if (num3 == -1)
{
num7 |= PlusInfinity;
}
var bytesCount = Asn1Util.GetBytesCount(num4);
len += bytesCount;
switch (bytesCount)
{
case RealExplen2:
break;
case RealExplen3:
num7 |= 1;
break;
case RealExplenLong:
num7 |= 2;
break;
default:
num7 |= 3;
len++;
break;
}
outs.EncodeLength(len);
outs.WriteByte((byte)num7);
if ((num7 & 3) == 3)
{
outs.EncodeIntValue(bytesCount, false);
}
outs.EncodeIntValue(num4, false);
outs.EncodeIntValue(w, false);
}
}
public override int Encode(Asn1BerEncodeBuffer buffer, bool explicitTagging)
{
var len = 0;
if (double.IsNegativeInfinity(Value))
{
len = buffer.EncodeIntValue(MinusInfinity);
}
else if (double.IsPositiveInfinity(Value))
{
len = buffer.EncodeIntValue(PlusInfinity);
}
else if (Value != 0.0)
{
var num2 = BitConverter.DoubleToInt64Bits(Value);
var num3 = ((num2 >> RealIso6093Mask) == 0L) ? 1 : -1;
var num4 = ((int)((num2 >> 0x34) & 0x7ffL)) - 0x433;
var w = (num4 == 0) ? ((num2 & 0xfffffffffffffL) << 1) : ((num2 & 0xfffffffffffffL) | 0x10000000000000L);
if (w != 0L)
{
var bits = TrailingZerosCnt(w);
w = Asn1Util.UrShift(w, bits);
num4 += bits;
}
len += buffer.EncodeIntValue(w);
var num7 = buffer.EncodeIntValue(num4);
len += num7;
var num8 = RealBinary;
if (num3 == -1)
{
num8 |= PlusInfinity;
}
switch (num7)
{
case RealExplen2:
break;
case RealExplen3:
num8 |= 1;
break;
case RealExplenLong:
num8 |= 2;
break;
default:
num8 |= 3;
len += buffer.EncodeIntValue(num7);
break;
}
buffer.Copy((byte)num8);
len++;
}
if (explicitTagging)
{
len += buffer.EncodeTagAndLength(Tag, len);
}
return(len);
}
