Crypto U6, computing HMAC

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IYM002 Apunte sobre Crypto U6, computing HMAC, creado por jjanesko el 11/05/2013.
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Apunte por jjanesko, actualizado hace más de 1 año
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Creado por jjanesko hace más de 11 años
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How to compute an HMACYou need to keys, let's call them  K1 and K2.   Concatenate K2 with the message and then compute the hash of this. Then take K1, concatenate it with the result from step 1 and hash this value. Ultimately, it looks like this:  h( K1  ||  h( K2 || m) )

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