public long ReadLong()
{
CheckRecordPosition(LittleEndianConsts.LONG_SIZE);
_currentDataOffset += LittleEndianConsts.LONG_SIZE;
pos += LittleEndianConsts.LONG_SIZE;
return(_dataInput.ReadLong());
}
private static object ReadAConstantValue(ILittleEndianInput in1)
{
byte grbit = (byte)in1.ReadByte();
switch (grbit)
{
case TYPE_EMPTY:
in1.ReadLong(); // 8 byte 'not used' field
return(EMPTY_REPRESENTATION);
case TYPE_NUMBER:
return(in1.ReadDouble());
case TYPE_STRING:
return(StringUtil.ReadUnicodeString(in1));
case TYPE_BOOLEAN:
return(ReadBoolean(in1));
case TYPE_ERROR_CODE:
int errCode = in1.ReadUShort();
// next 6 bytes are Unused
in1.ReadUShort();
in1.ReadInt();
return(ErrorConstant.ValueOf(errCode));
}
throw new Exception("Unknown grbit value (" + grbit + ")");
}
/**
* @param ris the RecordInputstream to read the record from
*/
public NameCommentRecord(RecordInputStream ris)
{
ILittleEndianInput in1 = ris;
field_1_record_type = in1.ReadShort();
field_2_frt_cell_ref_flag = in1.ReadShort();
field_3_reserved = in1.ReadLong();
int field_4_name_length = in1.ReadShort();
int field_5_comment_length = in1.ReadShort();
if (in1.ReadByte() == 0)
{
field_6_name_text = StringUtil.ReadCompressedUnicode(in1, field_4_name_length);
}
else
{
field_6_name_text = StringUtil.ReadUnicodeLE(in1, field_4_name_length);
}
if (in1.ReadByte() == 0)
{
field_7_comment_text = StringUtil.ReadCompressedUnicode(in1, field_5_comment_length);
}
else
{
field_7_comment_text = StringUtil.ReadUnicodeLE(in1, field_5_comment_length);
}
}
private static Object ReadBoolean(ILittleEndianInput in1)
{
byte val = (byte)in1.ReadLong(); // 7 bytes 'not used'
switch (val)
{
case FALSE_ENCODING:
return false;
case TRUE_ENCODING:
return true;
}
// Don't tolerate Unusual bool encoded values (unless it becomes evident that they occur)
throw new Exception("unexpected bool encoding (" + val + ")");
}
internal StandardEncryptionHeader(ILittleEndianInput is1)
{
Flags = (is1.ReadInt());
SizeExtra = (is1.ReadInt());
CipherAlgorithm = (CipherAlgorithm.FromEcmaId(is1.ReadInt()));
HashAlgorithm = (HashAlgorithm.FromEcmaId(is1.ReadInt()));
int keySize = is1.ReadInt();
if (keySize == 0)
{
// for the sake of inheritance of the cryptoAPI classes
// see 2.3.5.1 RC4 CryptoAPI Encryption Header
// If Set to 0x00000000, it MUST be interpreted as 0x00000028 bits.
keySize = 0x28;
}
KeySize = (keySize);
BlockSize = (keySize);
CipherProvider = (CipherProvider.FromEcmaId(is1.ReadInt()));
is1.ReadLong(); // skip reserved
// CSPName may not always be specified
// In some cases, the salt value of the EncryptionVerifier is the next chunk of data
((ByteArrayInputStream)is1).Mark(LittleEndianConsts.INT_SIZE + 1);
int CheckForSalt = is1.ReadInt();
((ByteArrayInputStream)is1).Reset();
if (CheckForSalt == 16)
{
CspName = ("");
}
else
{
StringBuilder builder = new StringBuilder();
while (true)
{
char c = (char)is1.ReadShort();
if (c == 0)
{
break;
}
builder.Append(c);
}
CspName = (builder.ToString());
}
ChainingMode = (ChainingMode.ecb);
KeySalt = (null);
}
private static Object ReadBoolean(ILittleEndianInput in1)
{
byte val = (byte)in1.ReadLong(); // 7 bytes 'not used'
switch (val)
{
case FALSE_ENCODING:
return(false);
case TRUE_ENCODING:
return(true);
}
// Don't tolerate Unusual bool encoded values (unless it becomes evident that they occur)
throw new Exception("unexpected bool encoding (" + val + ")");
}
private static object ReadAConstantValue(ILittleEndianInput in1)
{
byte grbit = (byte)in1.ReadByte();
switch (grbit)
{
case TYPE_EMPTY:
in1.ReadLong(); // 8 byte 'not used' field
return EMPTY_REPRESENTATION;
case TYPE_NUMBER:
return in1.ReadDouble();
case TYPE_STRING:
return StringUtil.ReadUnicodeString(in1);
case TYPE_BOOLEAN:
return ReadBoolean(in1);
case TYPE_ERROR_CODE:
int errCode = in1.ReadUShort();
// next 6 bytes are Unused
in1.ReadUShort();
in1.ReadInt();
return ErrorConstant.ValueOf(errCode);
}
throw new Exception("Unknown grbit value (" + grbit + ")");
}
public GUID(ILittleEndianInput in1)
:this(in1.ReadInt(), in1.ReadUShort(), in1.ReadUShort(), in1.ReadLong())
{
}
public GUID(ILittleEndianInput in1)
: this(in1.ReadInt(), in1.ReadUShort(), in1.ReadUShort(), in1.ReadLong())
{
}
public long ReadLong()
{
return(_rc4.XorLong(_le.ReadLong()));
}