Cryptanalysis of a Message Authentication Code due to Cary and Venkatesan.
Simon R. Blackburn⋆, Kenneth G. Paterson · IACR Cryptology ePrint Archive · 2003
We present a cryptanalysis of a MAC proposal at CRYPTO 2003 due to Cary and Venkatesan. Our attacks find collisions for the MAC and yield MAC forgeries, both faster than a straightforward application of the birthday paradox would suggest.