Crypto U6, computing HMAC

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IYM002 Notiz am Crypto U6, computing HMAC, erstellt von jjanesko am 11/05/2013.
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Notiz von jjanesko, aktualisiert more than 1 year ago
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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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