New block mode of operation
Ed Switalski
E.Switalski at bnr.co.uk
Fri Mar 18 03:33:57 PST 1994
RE:
>Cipher-Chain-Cipher Mode of Operation
>for Improving the Security of Block Ciphers
>
>by Thomas C. Jones
>
>
Sorry!
but Ross Anderson <Ross.Anderson at cl.cam.ac.uk>
writes :
>This doesn't stop differential cryptanalysis. In fact, Biham has developed a
>whole theory on modes of operation which will come out at Crypto 94. The nub
>of the theory is that fancy chaining modes don't buy you anything; you're
>better to use your algorithm n times to replace DES in standard CBC or CFB.
I have an Adobe.ps file of Bihams paper from Ross
Regards,
__o __o
Ed \<, \<,
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