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[C#] Getting values from byte array?

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Posted

I have the following hex string:


010101030300000000000000000000000D00000001000000010000009050AA35B23BDA4B3532F2ABDF4A382E80100000014324686468645602538589053568950000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

In hex editor it would look like this: 0ZTghjR.png I need to get the data at offset 0x1C - 0x2B (9050AA35B23BDA4B3532F2ABDF4A382E) I have the following code:

byte[] data = ConvertHexStringToByteArray(Encoding.Default.GetString(hexstring));

MemoryStream input = new MemoryStream(data);

BinaryReader reader = new BinaryReader(input);

reader.ReadBytes(0x1C);

byte[] buffer = reader.ReadBytes(16);

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Posted

doesn't that code already does what you need? or did I read the question wrong?

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Posted

doesn't that code already do what you need?

Yes and no. I get the data but need it as hex (9050AA35B23BDA4B3532F2ABDF4A382E) instead of ANSI (.P

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Posted

Yes and no. I get the data but need it as hex (9050AA35B23BDA4B3532F2ABDF4A382E) instead of ANSI (.P

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Posted

But what is the output type you need? A string or another byte array? Anyway if the input string is hex you just need to copy twice the bytes/characters from the original hex string to obtain the hex substring. Example: hexstring.SubString(0x1C * 2, 16 * 2);

This makes it way simpler, thanks.

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