Progress in Cryptology - INDOCRYPT 2011

Name: Progress in Cryptology - INDOCRYPT 2011 | 12th International Conference on Cryptology in India, Chennai, India, December 11-14, 2011, Proceedings
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12th International Conference on Cryptology in India, Chennai, India, December 11-14, 2011, Proceedings

Daniel J. Bernstein Sanjit Chatterjee(Editor)

Springer (Publisher)

Published on 7. December 2011

XIII, 401 pages

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978-3-642-25578-6 (ISBN)

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Content

Intro
Title
Preface
Organization
Table of Contents
Tutorial 1
Tor and the Censorship Arms Race: Lessons Learned
Tutorial 2
Elliptic Curves for Applications
Side-Channel Attacks
PKDPA: An Enhanced Probabilistic Differential Power Attack Methodology
Introduction
Probable Key Differential Power Analysis
Initialization of the Attack
Iterative DoM Test
Probable Key Extraction
Key Frequency Analysis
Probable Key Progression
Analytical Framework for Optimal Window-Size
The Probable Key Matrix
Experimental Results
Case-Study 1: AES
Case-Study 2: Masked AES
A Comparative Study
Conclusion
References
Formal Analysis of the Entropy / Security Trade-off in First-Order Masking Countermeasures against Side-Channel Attacks
Introduction
Description of the Rotating Tables Countermeasure
Rationale
Modelization
Information Theoretic Evaluation of the Countermeasure
Security against CPA and 2O-CPA
Resistance against First-Order Correlation Attacks
Resistance against Second-Order Correlation Attacks
Expression of opt(1,2) as a Function of an Indicator f
Functions f: F24 F2 That Cancel opt(1,2)
Functions f: F25 F2 That Cancel opt(1,2)
Exploring More Solutions Using SAT-Solvers
Mapping of the Problem into a SAT-Solver
Existence of Low Hamming Weight Solutions for n=8
Exploration of Solutions for n=8 and a Fixed Card[J ]
Conclusions and Perspectives
References
Square Always Exponentiation
Introduction
Background on Exponentiation on Embedded Devices
Square-and-Multiply Algorithms
Side-Channel Analysis on Exponentiation
Distinguishing Squarings from Multiplications
Square Always Countermeasure
Principle
Atomic Algorithms
Performance Analysis
Security Considerations
Parallelization
Parallelized Algorithms
Cost of Parallelized Algorithms
Practical Results
Conclusion
References
An Enhanced Differential Cache Attack on CLEFIA for Large Cache Lines
Introduction
Preliminaries
The CLEFIA Structure
Cache Attacks on CLEFIA
Enhancing the Differential Cache Attack
Why the Attack in rebeiro:11 Fails for Large Cache Lines?
The Proposed Differential Cache Attack
Attacking a Feistel Structure from Cache Traces
The New Differential Cache Attack against CLEFIA
Determining RK0 and RK1
Determining RK2WK0 and RK3WK1
Determining RK4 and RK5
Distinguishing between a Cache Hit and Miss
Effect of Cache Line Size on the Number of Encryptions
Countermeasures Suited for Large Cache Lines
Conclusion
References
Partial Key Exposure: Generalized Frameworkt o Attack RSA
Introduction
Our Contribution
General Attacks Based on Partial Knowledge of d
Attacks Using the Partial Knowledge of k
Attack on ISO/IEC 9796-2
Conclusion
References
Invited Talk 1
The Yin and Yang Sides of Embedded Security
Secret-Key Cryptography, Part 1
Mars Attacks! Revisited:
Introduction
Related Work
Our Contribution
Notation
Outline
Description of MARS
The Cryptographic Core
Differential Attack on 12 Core Rounds of MARS
The Distinguisher
Subkey Recovery
Attacking the MARS Key Scheduler
Analysis of the Attack
Conclusion
References
Linear Cryptanalysis of PRINTcipher - Trails and Samples Everywhere
Introduction
A Description of PRINTcipher
The Key
The Standard Permutation
The Key-Dependent Permutation
Other Notation
Existing Work on PRINTcipher
Linear Cryptanalysis
On the Importance of Finding Many Samples
Some Initial Observations
The S-Box
The Permutation b and the S-box
A Key Bit Distinguisher
General Attack Idea
A Detailed Example
More Linear Trails on One Round of PRINTcipher
Guessing Keybits for Partial Encryption and Decryption
Experimental Results
Analyzing the Attack Complexity
Reaching the Limit: 28 Rounds
On More Rounds of PRINTcipher: Complementary Trails
More Attacks on 27/28 Rounds
On False Positives
Using Complementary Trails to Distinguish on 24-Round Trails
Samples Are Independent (Enough)
Partial Encryption and Decryption for 29 Rounds
Conclusion
References
Practical Attack on 8 Rounds of the Lightweight Block Cipher KLEIN
Introduction
Brief Description of KLEIN
A Collection of Differential Characteristics
Observations
The Collection of Characteristics
Comparison with the Lower Bounds
Attacking KLEIN
Finding and Exploiting Neutral Bits
Distinguisher for 7 Rounds
Distinguisher for 8 Rounds
Key-Recovery for 7 Rounds
Key-Recovery for 8 Rounds
Experimental Verification
Conclusion
References
On Related-Key Attacks and KASUMI: The Case of A5/3
Introduction
MISTY and KASUMI
Related-key Attacks and KASUMI
Related-key Attacks and A5/3
Existing Related-key Attacks
Revised Related-key Attacks
Implications and Observations
Conclusion
References
Invited Talk 2
Cryptology: Where Is the New Frontier?
Secret-Key Cryptography, Part 2
Analysis of the Parallel Distinguished Point Tradeoff
Introduction
Preliminaries
Parallel DP
Complexity of the pD Tradeoff
Experiment Results
Comparison of Tradeoff Algorithms
pD versus DP
pD versus Rainbow
Conclusion
References
On the Evolution of GGHN Cipher
Introduction
Organization of the Paper
Short Cycles in GGHN(n, m)
Evolution of a Randomized Variant of GGHN Cipher
Towards Estimating the Actual GGHN PRGA
Conclusion
References
HiPAcc-LTE: An Integrated High Performance Accelerator for 3GPP LTE Stream Ciphers
Introduction
Preliminaries
Brief Overview of SNOW 3G and ZUC
SNOW 3G and ZUC: Similarities and Dissimilarities in Design
Integration of SNOW 3G and ZUC
Integrating the Main LFSR
Integrating the FSM
Integrating the LFSR Update Function
Final Design of the Pipeline
ASIC Implementation of the Integrated Hardware
Critical Path
Performance Results
Comparison with Existing Designs
Fault Detection and Protection in HiPAcc-LTE
Conclusion
References
Addressing Flaws in RFID Authentication Protocols
Introduction
Related Works
Privacy Works
O-FRAP and O-RAP Protocols
Song-Mitchell's Protocols
Privacy Model
Ouafi-Phan Model
The O-FRAP+ Protocol
Review O-FRAP+
Our Attacks on O-FRAP+
The SMP Protocol
Review SMP
Our Attacks on SMP
The HRAP Protocol
Review HRAP
Our Attacks on HRAP
The Improved HRAP Protocol
HRAP's Defects
Procedure of the Improved HRAP
Security and Privacy Analysis
Conclusion
References
Hash Functions
Practical Analysis of Reduced-Round Keccak
Introduction
Keccak Description and Notations
Differential Distinguisher
Searching Differential Paths
Conditional Differentials and Free Bits
Best Differential Paths
Distinguisher on 4 Rounds of the Hash Function
Implementation of the Distinguisher
Near-Collisions for 3 Rounds on the 256-bit Hash Function
Hash Function Collisions on 2 Rounds
Practical (Second) Preimages on 2 Rounds of the 256-bit Hash Function
Main Scheme
Finding Partial Solutions
Matching 48 Slices with 16 Slices
Implementation Remarks
Dealing with the Padding
Conclusion
References
Boomerang Distinguisher for the SIMD-512 Compression Function
Introduction
Related Work
Higher-Order Differentials and Hash Function
Description of SIMD
SIMD Step Function
Application on SIMD-512
Searching for Characteristics
Independency of the Characteristics
Complexity of the Attack
Extending the Attack to the Compression Function
Distinguisher for the Compression Function
Complexity of the Attack
Conclusions and Discussion
References
Lightweight Implementations of SHA-3 Candidates on FPGAs
Introduction and Motivation
Methodology
Assumptions and Goals
Tools and Result Generation
Interface and Protocol
Area Minimization Techniques
Performance Metrics
Implementations
BLAKE
Grøstl
JH
Keccak
Skein
Results and Conclusions
Implementation Results
Comparison with Other Reported Results
Conclusions
References
Pairings
Publicly Verifiable Secret Sharing for Cloud-Based Key Management
Introduction
Preliminaries
Definitions
Access Trees
Cryptographic Assumptions
An Efficient Scheme without Random Oracles
System Implementation
Security Proof for Our Construction
References
On Constructing Families of Pairing-Friendly Elliptic Curves with Variable Discriminant
Introduction
Constructing Complete Families with Variable Discriminant
Constructing Sparse Families
Conclusion
References
Attractive Subfamilies of BLS Curves for Implementing High-Security Pairings
Introduction
Background
Particularly Friendly Subfamilies
Using the Four Classes x0 7,16,31,64 8mu(mod6mu72)
The Other Congruency Classes
Choosing Simple Lines: Twisting vs. Untwisting
The Final Exponentiation
Example Curves
References
Invited Talk 3
Stone Knives and Bear Skins: Why Does the Internet Run on Pre-historic Cryptography?
Protocols
The Limits of Common Coins: Further Results
Introduction
Outline
Preliminaries
Our Results
Proofs
Proof of [thm:main]Theorem 1
Proof of [thm:generalized]Theorem 3
Conclusions and Open Problems
References
Secure Message Transmission in Asynchronous Directed Graphs
Introduction
Related Work
A Motivating Example
Organization and Our Contribution
Model and Definitions
Characterizing Asynchronous Networks for Las Vegas (0, )-SMT
Sufficiency
Necessity
Las Vegas (0, )-SMT and PSMT
All Pairs PSMT
Characterizing Asynchronous Networks for Monte Carlo (0, )-SMT
References
Towards a Provably Secure DoS-Resilient Key Exchange Protocol with Perfect Forward Secrecy
Introduction
Just Fast Keying Protocol and Its DOS Vulnerabilities
Smith et al.'s Analysis of JFK in Meadows Framework
A New DoS Vulnerability in JFK
Cost Calculations
Basic Security of the JFK Protocol
Resisting Other Type of DoS Attacks in JFK
BPV-JFK
BPV Generator
The BPV-JFK Protocol and Its Security Analysis
Efficiency Comparison and Parameter Sizes
On the Security of JFK
Cost Calculations for BPV-JFK
Analysing the BPV-JFK Protocol in the Stebila et al. Model
Conclusion and Future Work
References
Tutorial 3
Software Optimizations for Cryptographic Primitives on General Purpose x86 64 Platforms
The Tutorial-Introduction
References
Author Index

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Progress in Cryptology - INDOCRYPT 2011

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