Questions tagged [ocb]

The Offset CodeBook Mode, an authenticated encryption mode of operation for a block cipher.

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Why is OCB-AES mode not becoming a standard for authenticated encryption?

The OCB mode of authenticated encryption (used for example with AES) is the fastest way to provide authenticity and confidentiality without having to strive into questions like: Encrypt then MAC, MAC ...
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Forgery attack on OCB

When using same nonce in OCB mode of authenticated encryption, how forgery attack can be done?