public LcField(ApduFormat format, int payloadLength)
{
if (payloadLength < 0)
{
throw new ArgumentOutOfRangeException(nameof(payloadLength), payloadLength, $"{payloadLength} must have positive integer value.");
}
if (payloadLength == 0)
{
_lcField = new byte[0];
PayloadLength = 0;
Format = LengthFieldFormat.Absent;
return;
}
switch (format)
{
case ApduFormat.Short:
if (payloadLength <= byte.MaxValue)
{
Format = LengthFieldFormat.Short;
PayloadLength = payloadLength;
_lcField = new[] { (byte)payloadLength };
}
else
{
throw new ArgumentOutOfRangeException(nameof(payloadLength), payloadLength, "Short APDU maximal payload length is 255 bytes.");
}
break;
case ApduFormat.Extended:
if (payloadLength <= ushort.MaxValue)
{
Format = LengthFieldFormat.Extended;
PayloadLength = payloadLength;
_lcField = new[] { (byte)0, (byte)(payloadLength >> 8), (byte)payloadLength };
}
else
{
throw new ArgumentOutOfRangeException(nameof(payloadLength), payloadLength, "Extended APDU maximal payload length is 65535 bytes.");
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(format), format, null);
}
}
public LeField(ApduFormat apduFormat, LengthFieldFormat lcFieldFormat, int maximumExpectedResponseDataFieldLength)
{
if (maximumExpectedResponseDataFieldLength < 0)
{
throw new ArgumentOutOfRangeException(nameof(maximumExpectedResponseDataFieldLength),
maximumExpectedResponseDataFieldLength,
$"{maximumExpectedResponseDataFieldLength} must have positive integer value.");
}
if (maximumExpectedResponseDataFieldLength == 0)
{
PayloadLength = 0;
Format = LengthFieldFormat.Absent;
_leField = new byte[0];
return;
}
switch (apduFormat)
{
case ApduFormat.Short:
if (maximumExpectedResponseDataFieldLength < byte.MaxValue + 1)
{
Format = LengthFieldFormat.Short;
PayloadLength = maximumExpectedResponseDataFieldLength;
_leField = new[] { (byte)maximumExpectedResponseDataFieldLength };
}
else if (maximumExpectedResponseDataFieldLength == byte.MaxValue + 1)
{
Format = LengthFieldFormat.Short;
PayloadLength = maximumExpectedResponseDataFieldLength;
_leField = new byte[] { 0x00 };
}
else
{
throw new ArgumentOutOfRangeException(nameof(maximumExpectedResponseDataFieldLength),
maximumExpectedResponseDataFieldLength,
"Short APDU maximal expected response payload length is 256 bytes.");
}
break;
case ApduFormat.Extended:
if (maximumExpectedResponseDataFieldLength < ushort.MaxValue + 1)
{
Format = LengthFieldFormat.Extended;
PayloadLength = maximumExpectedResponseDataFieldLength;
_leField = lcFieldFormat != LengthFieldFormat.Absent
? new[] { (byte)(maximumExpectedResponseDataFieldLength >> 8), (byte)maximumExpectedResponseDataFieldLength }
: new[] { (byte)0, (byte)(maximumExpectedResponseDataFieldLength >> 8), (byte)maximumExpectedResponseDataFieldLength };
}
else if (maximumExpectedResponseDataFieldLength == ushort.MaxValue + 1)
{
Format = LengthFieldFormat.Extended;
PayloadLength = maximumExpectedResponseDataFieldLength;
_leField = lcFieldFormat != LengthFieldFormat.Absent
? new[] { (byte)0, (byte)0 }
: new[] { (byte)0, (byte)0, (byte)0 };
}
else
{
throw new ArgumentOutOfRangeException(nameof(maximumExpectedResponseDataFieldLength),
$"Maximal value exceeded. Maximal available value: {ushort.MaxValue + 1}, actual value: {maximumExpectedResponseDataFieldLength}");
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(apduFormat), apduFormat, null);
}
}
/// <summary>
/// Initialize new Apdu command object.
/// </summary>
/// <param name="explicitFormat"></param>
/// <param name="cla"></param>
/// <param name="ins"></param>
/// <param name="p1"></param>
/// <param name="p2"></param>
/// <param name="maximumExpectedResponseDataFieldLength">Set to null to specify maximal available response size for give apdu format.</param>
public ApduCommand(ApduFormat explicitFormat, byte cla, byte ins, byte p1, byte p2,
int?maximumExpectedResponseDataFieldLength = null)
: this(new[] { cla, ins, p1, p2 }, new byte[0], maximumExpectedResponseDataFieldLength,
format : explicitFormat)
{
}
/// <summary>
/// Initialize new Apdu command object.
/// </summary>
/// <param name="explicitFormat"></param>
/// <param name="cla"></param>
/// <param name="ins"></param>
/// <param name="p1"></param>
/// <param name="p2"></param>
/// <param name="payload"></param>
/// <param name="maximumExpectedResponseDataFieldLength">Set to null to specify maximal available response size for give apdu format.</param>
public ApduCommand(ApduFormat explicitFormat, byte cla, byte ins, byte p1, byte p2, IEnumerable <byte> payload,
int?maximumExpectedResponseDataFieldLength = null)
: this(new[] { cla, ins, p1, p2 }, payload, maximumExpectedResponseDataFieldLength,
format : explicitFormat)
{
}
/// <summary>
/// Initialize new Apdu command object.
/// </summary>
/// <param name="explicitFormat"></param>
/// <param name="apduHeader"></param>
/// <param name="maximumExpectedResponseDataFieldLength">Set to null to specify maximal available response size for give apdu format.</param>
public ApduCommand(ApduFormat explicitFormat, IEnumerable <byte> apduHeader,
int?maximumExpectedResponseDataFieldLength = null)
: this(apduHeader, new byte[0], maximumExpectedResponseDataFieldLength, format : explicitFormat)
{
}
