Research in Cryptology
4th Western European Workshop, WEWoRC 2011, Weimar, Germany, July 20-22, 2011, Revised Selected Papers
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6 Result(s)
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Book and Conference Proceedings
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Chapter and Conference Paper
\({\Gamma\mbox{-MAC}\lbrack H,P\rbrack}\) - A New Universal MAC Scheme
In this paper, we introduce a new class of universal hash function families called almost regular universal (ε− ARU). Informally, an ε− ARU hash function family is almost universal, and additionally provides almo...
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Chapter and Conference Paper
Security of Cyclic Double Block Length Hash Functions
We provide a proof of security for a huge class of double block length hash function that we will call Cyclic-DM. Using this result, we are able to give a collision resistance bound for Abreast-DM, one of the old...
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Book and Conference Proceedings
Research in Cryptology
Second Western European Workshop, WEWoRC 2007, Bochum, Germany, July 4-6, 2007, Revised Selected Papers
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Chapter and Conference Paper
Linearity of the AES Key Schedule
The AES key schedule can almost be described as collection of 32 linear feedback shift registers LFSRs, working in parallel. This implies that for related keys, i.e., pairs of unknown keys with known differences,...
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Chapter and Conference Paper
Helix: Fast Encryption and Authentication in a Single Cryptographic Primitive
Helix is a high-speed stream cipher with a built-in MAC functionality. On a Pentium II CPU it is about twice as fast as Rijndael or Twofish, and comparable in speed to RC4. The overhead per encrypted/authentic...
