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Results tagged with mac
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user 64
(or message authentication code), a short piece of information used to authenticate a message, and the algorithm to create and check such information, using a secret key.
16
votes
Is H(k||length||x) a secure MAC construction?
One fix to unambiguously delimiting the length from the message is to fix a certain number of bytes for the length, but you now no longer have a MAC that accepts arbitrary-length inputs. …
- 8,717
4
votes
Accepted
What type of hash functions provides non-malleability of hash digests?
Using a MAC does not provide hiding as MACs are not designed with this property. …
- 8,717