Title: On the Security of Double and 2-Key Triple Modes of Operation
Authors: Handschuh, H
Preneel, Bart
Issue Date: 1999
Publisher: Springer
Host Document: Lecture Notes in Computer Science vol:1636 pages:215-230
Conference: FSE 1999 date:March 24-26, 1999
Abstract: The DES has reached the end of its lifetime due to its too short key length and block length (56 and 64 bits respectively). As we are awaiting the new AES, triple land double) encryption are the common solution. However, several authors have shown that these multiple modes are much less secure than anticipated. The general belief is that these schemes should not be used, as they are not resistant against attacks requiring 2(64) chosen plaintexts. This paper extends the analysis by considering some more realistic attack models. It also presents an improved attack on multiple modes that contain an OFB mode and discusses practical solutions that take into account realistic constraints.
ISSN: 0302-9743
Publication status: published
KU Leuven publication type: IC
Appears in Collections:ESAT - STADIUS, Stadius Centre for Dynamical Systems, Signal Processing and Data Analytics

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