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In cryptography, CWC Mode (Carter–Wegman + CTR mode) is an AEAD block cipher mode of operation that provides both encryption and built-in message integrity, similar to CCM and OCB modes. It combines the use of CTR mode for encryption with an efficient polynomial Carter–Wegman MAC and is designed by Tadayoshi Kohno, John Viega and Doug Whiting. CWC mode was submitted to NIST[failed verification] for standardization, but opted for the similar GCM mode instead.
- "Modes Development - Block Cipher Techniques | CSRC". 4 January 2017. Archived from the original on 4 September 2017.
- CWC mode home page
- CWC: A high-performance conventional authenticated encryption mode on Cryptology ePrint
- Implementation of CWC on top of AES.