byte[] to hex string [duplicate]

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There is a built in method for this:

byte[] data = { 1, 2, 4, 8, 16, 32 };

string hex = BitConverter.ToString(data);

Result: 01-02-04-08-10-20

If you want it without the dashes, just remove them:

string hex = BitConverter.ToString(data).Replace("-", string.Empty);

Result: 010204081020

If you want a more compact representation, you can use Base64:

string base64 = Convert.ToBase64String(data);

Result: AQIECBAg

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