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Title:
On Resistance of DES to Related-Key Differential Cryptanalysis
Authors: Goce Jakimoski, Yvo Desmedt
Abstract:The key schedule of the Data Encryption Standard is analyzed, and it is shown that the properties of the permuted choice PC-2 transformation and the number of bits that are left shifted during the key generation are critical for the security of the algorithm. More precisely, we were able to mount a low complexity related-key attack on DES with slightly modified key schedule although no related-key attack is known for the original algorithm.
ePrint: https://eprint.iacr.org/2005/084
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