Topics in Cryptology –- CT-RSA 2015: The Cryptographer's Track at the RSA Conference 2015, San Francisco, CA, USA, April 20-24, 2015. Proceedings

Front Matter....Pages I-XIII
Front Matter....Pages 1-1
Just a Little Bit More....Pages 3-21
Cache Storage Attacks....Pages 22-34
Front Matter....Pages 35-35
Analyzing Permutations for AES-like Ciphers: Understanding ShiftRows....Pages 37-58
Improved Attacks on Reduced-Round Camellia-128/192/256....Pages 59-83
Front Matter....Pages 85-85
Duality in ABE: Converting Attribute Based Encryption for Dual Predicate and Dual Policy via Computational Encodings....Pages 87-105
Revocable Hierarchical Identity-Based Encryption: History-Free Update, Security Against Insiders, and Short Ciphertexts....Pages 106-123
Front Matter....Pages 125-125
Revisiting Cryptographic Accumulators, Additional Properties and Relations to Other Primitives....Pages 127-144
Non-Interactive Zero-Knowledge Proofs of Non-Membership....Pages 145-164
Front Matter....Pages 165-165
Implementing GCM on ARMv8....Pages 167-180
Higher-Order Masking in Practice: A Vector Implementation of Masked AES for ARM NEON....Pages 181-198
Front Matter....Pages 199-199
Completeness of Single-Bit Projection-KDM Security for Public Key Encryption....Pages 201-219
Format Oracles on OpenPGP....Pages 220-236
Front Matter....Pages 237-237
Finding Shortest Lattice Vectors in the Presence of Gaps....Pages 239-257
A Simple and Improved Algorithm for Integer Factorization with Implicit Hints....Pages 258-269
Front Matter....Pages 271-271
Hash Functions from Defective Ideal Ciphers....Pages 273-290
Using an Error-Correction Code for Fast, Beyond-Birthday-Bound Authentication....Pages 291-307
Front Matter....Pages 309-309
Efficient Leakage Resilient Circuit Compilers....Pages 311-329
Optimally Efficient Multi-Party Fair Exchange and Fair Secure Multi-Party Computation....Pages 330-349
Front Matter....Pages 351-351
How to Incorporate Associated Data in Sponge-Based Authenticated Encryption....Pages 353-370
Cryptanalysis of Ascon ....Pages 371-387
Front Matter....Pages 389-389
Stronger Security Notions for Decentralized Traceable Attribute-Based Signatures and More Efficient Constructions....Pages 391-409
Re-Encryption Verifiability: How to Detect Malicious Activities of a Proxy in Proxy Re-Encryption....Pages 410-428
Front Matter....Pages 429-429
Exploiting Collisions in Addition Chain-Based Exponentiation Algorithms Using a Single Trace....Pages 431-448
Cold Boot Attacks in the Discrete Logarithm Setting....Pages 449-465
Front Matter....Pages 467-467
Communication Optimal Tardos-Based Asymmetric Fingerprinting....Pages 469-486
Linearly Homomorphic Encryption from $$\\mathsf {DDH}$$ ....Pages 487-505
Back Matter....Pages 507-508