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Does encrypting a hash of the message yield a secure MAC?
Is $mac = enc(hash(x))$ a secure MAC for hash = SHA256 and enc AES in CBC mode or ECB mode. Normally AES-CBC is malleable. But in this case I use a hash function for the one-way property. For ...
Oct 17 '13 at 11:31
newest sha-256 mac questions feed
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