Symmetric Cryptography 2016

Transcription

1 Symmetric Cryptography 2016 Monday, January 11 7:30 Session Chair: Frederik Armknecht Dynamic Cube Attacks Revisited, with Applications to Grain128a Another View of the Division Property Invariant Subspace Attack Against Full Midori64 Session Chair: Yu Sasaki Willi Meier Anne Canteaut Yu Sasaki 12:15 On GCMSIV Tetsu Iwata RIV and Resilient Authenticated Encryption Stefan Lucks Session Chair: Anne Canteaut 14:00 Memory Efficient Algorithms for Finding Needles in Haystacks Adi Shamir Bit Cryptanalysis on Symmetric Ciphers Xiaoyun Wang The Problem of Estimating the Variance of the Linear Cryptanalysis Test Statistic and Cake Kaisa Nyberg Session Chair/Moderator: Dan Bernstein (17:30) 18:00 1 Separating Modes and Primitives in CAESAR Joan Daemen Discussion on CAESAR

2 Tuesday, January 12 7:30 Session Chair: Jooyoung Lee KeyAlternating PRFs and Provable Security of Stream Ciphers against TimeMemoryData Tradeoff Attacks Improved Masking for Tweakable Blockciphers with Applications to Authenticated Encryption Tweaking EvenMansour Ciphers Session Chair: Bart Mennink Matthias Krause Bart Mennink Benoît Cogliati Indifferentiability of ConfusionDiffusion Networks John Steinberger 60 min 12:15 Moderation: Adi Shamir 14:30 Discussion on Attacks and Cake Session Chair: John Steinberger 18:00 18:00 1 EvenMansour type ciphers based on involutions Jooyoung Lee EvenMansour cipher analysis reduced to the generalized birthday problem Transitivity aspects of the (iterated) Even Mansour cipher Ivica Nikolic Ernst Schulte Geers

3 Wednesday, January 13 7:30 Session Chair: Nicky Mouha Polytopic cryptanalysis Tyge Tiessen Linear Cryptanalysis: Some bizarre bias distributions Universal Multidimensional and Multiple Zero Correlation Cryptanalysis KeyRecovery Attack on the ASASA Cryptosystem with Expanding SBoxes Gregor Leander Meiqin Wang Henri Gilbert 10 min Session Chair: Christian Rechberger 12:15 LowEnergy Block Ciphers Some Results on the GOST Block Ciphers Andrey Bogdanov Orr Dunkelman Hike and Cake Free for discussions 18:00 1

4 Thursday, January 14 7:30 Session Chair/Moderator: Orr Dunkelman SBox ReverseEngineering: Recovering Design Criteria, Hidden Structures and New Boolean Function Results Léo Perrin Simpira Nicky Mouha Discussion on Secret Agency Crypto Standards Session Chair: Gregor Leander 40 min 12:15 New Attacks on Hash function Combiners Itai Dinur Transcipt Collision Attacks against TLS Gaëtan Leurent Session Chair: 14:00 Egalitarian computing: how to establish a level playing field with hash functions and NPhard problems Dmitry Khovratovich New Publication Model for FSE Anne Canteaut MAC with low computation overhead Kazuhiko Minematsu and Cake Session Chair: Bart Preneel 18:00 18:00 1 Some Application of Symmetric Cryptography in Multi Party Computation A new cryptographic hash function design below 1 cycle per byte for short inputs Revisiting Structure Graph and Its Applications to CBCMAC and EMAC Second Preimage Attacks against Dithered Hash Functions with Practical Online Memory Complexity Elena Andreeva Christian Rechberger Mridul Nandi Orr Dunkelman 10 min

5 Friday, January 15 7:30 9:20 10:35 10:35 Provable Security Evaluation of Structures against Impossible Differential Cryptanalysis On Ciphers that Continuously Access the NonVolatile Key Directly Evaluating Multicollisions and Improving Security Bounds Session Chair: Stefan Lucks Jian Guo Frederik Armknecht Kan Yasuda Session Chair: Kan Yasuda 15 min 12:15 Some challenges in heavyweight cipher design Mirror Theory and Cryptography Dan Bernstein Jacques Patarin