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ACSAC
2010
IEEE
15 years 5 months ago
Breaking e-banking CAPTCHAs
Many financial institutions have deployed CAPTCHAs to protect their services (e.g., e-banking) from automated attacks. In addition to CAPTCHAs for login, CAPTCHAs are also used to...
Shujun Li, S. Amier Haider Shah, M. Asad Usman Kha...
212
Voted
CRYPTO
2011
Springer
235views Cryptology» more  CRYPTO 2011»
14 years 7 months ago
Better Security for Deterministic Public-Key Encryption: The Auxiliary-Input Setting
Deterministic public-key encryption, introduced by Bellare, Boldyreva, and O’Neill (CRYPTO ’07), provides an alternative to randomized public-key encryption in various scenari...
Zvika Brakerski, Gil Segev
202
Voted
LFP
1992
140views more  LFP 1992»
15 years 8 months ago
Global Tagging Optimization by Type Inference
Tag handling accounts for a substantial amount of execution cost in latently typed languages such as Common LISP and Scheme, especially on architectures that provide no special ha...
Fritz Henglein
323
Voted
SIGMOD
2009
ACM
213views Database» more  SIGMOD 2009»
16 years 7 months ago
Dictionary-based order-preserving string compression for main memory column stores
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
Carsten Binnig, Stefan Hildenbrand, Franz Fär...
173
Voted
CTRSA
2009
Springer
151views Cryptology» more  CTRSA 2009»
16 years 2 months ago
Key-Private Proxy Re-encryption
Proxy re-encryption (PRE) allows a proxy to convert a ciphertext encrypted under one key into an encryption of the same message under another key. The main idea is to place as lit...
Giuseppe Ateniese, Karyn Benson, Susan Hohenberger