Infosec glossary entry

CBC-MAC

CBC-MAC:
Cipher Block Chaining Message Authentication Code

[...] is a technique for constructing a message authentication code from a block cipher. The message is encrypted with some block cipher algorithm in CBC mode to create a chain of blocks such that each block depends on the proper encryption of the previous block. This interdependence ensures that a change to any of the plaintext bits will cause the final encrypted block to change in a way that cannot be predicted or counteracted without knowing the key to the block cipher. https://book.hacktricks.xyz/cryptography/cipher-block-chaining-cbc-mac-priv

By jean-christoph

March 28, 2022

cryptography
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