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Paper 2008/513
Improved Cryptanalysis of SHAMATA-BC
Adem Atalay, Orhun Kara and Ferhat Karakoç
Abstract
We state the design flaws of the 1-round block cipher SHA\-MATA-BC, designed by Fleishmann and Gorski by using the building blocks of SHAMATA hash function. We fix the flaws and then show that the amended version of SHAMATA-BC is much weaker. We believe that there is no connection between security level of SHAMATA as a hash function and that of SHAMATA-BC as a block cipher.
Metadata
- Available format(s)
- Category
- Secret-key cryptography
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- Hash functionSHAMATASHAMATA-BCSHA-3
- Contact author(s)
- orhun @ uekae tubitak gov tr
- History
- 2008-12-09: received
- Short URL
- https://ia.cr/2008/513
- License
-
CC BY