Fast Software Encryption [electronic resource] : 11th International Workshop, FSE 2004, Delhi, India, February 5-7, 2004. Revised Papers / edited by Bimal Roy, Willi Meier.

New Cryptographic Primitives Based on Multiword T-Functions -- Towards a Unifying View of Block Cipher Cryptanalysis -- Algebraic Attacks on Summation Generators -- Algebraic Attacks on SOBER-t32 and SOBER-t16 without Stuttering -- Improving Fast Algebraic Attacks -- Resistance of S-Boxes against Algebraic Attacks -- Differential Attacks against the Helix Stream Cipher -- Improved Linear Consistency Attack on Irregular Clocked Keystream Generators -- Correlation Attacks Using a New Class of Weak Feedback Polynomials -- Minimum Distance between Bent and 1-Resilient Boolean Functions -- Results on Rotation Symmetric Bent and Correlation Immune Boolean Functions -- A Weakness of the Linear Part of Stream Cipher MUGI -- Vulnerability of Nonlinear Filter Generators Based on Linear Finite State Machines -- VMPC One-Way Function and Stream Cipher -- A New Stream Cipher HC-256 -- A New Weakness in the RC4 Keystream Generator and an Approach to Improve the Security of the Cipher -- Improving Immunity of Feistel Ciphers against Differential Cryptanalysis by Using Multiple MDS Matrices -- ICEBERG : An Involutional Cipher Efficient for Block Encryption in Reconfigurable Hardware -- Related Key Differential Attacks on 27 Rounds of XTEA and Full-Round GOST -- On the Additive Differential Probability of Exclusive-Or -- Two Power Analysis Attacks against One-Mask Methods -- Nonce-Based Symmetric Encryption -- Ciphers Secure against Related-Key Attacks -- Cryptographic Hash-Function Basics: Definitions, Implications, and Separations for Preimage Resistance, Second-Preimage Resistance, and Collision Resistance -- The EAX Mode of Operation -- CWC: A High-Performance Conventional Authenticated Encryption Mode -- New Security Proofs for the 3GPP Confidentiality and Integrity Algorithms -- Cryptanalysis of a Message Authentication Code due to Cary and Venkatesan -- Fast Software-Based Attacks on SecurID -- A MAC Forgery Attack on SOBER-128 -- On Linear Approximation of Modulo Sum.