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» Cryptanalysis of a multistage encryption system
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SOICT
2010
13 years 2 months ago
Password recovery for encrypted ZIP archives using GPUs
Protecting data by passwords in documents such as DOC, PDF or RAR, ZIP archives has been demonstrated to be weak under dictionary attacks. Time for recovering the passwords of suc...
Pham Hong Phong, Phan Duc Dung, Duong Nhat Tan, Ng...
CTRSA
2006
Springer
146views Cryptology» more  CTRSA 2006»
13 years 11 months ago
Cache Attacks and Countermeasures: The Case of AES
We describe several software side-channel attacks based on inter-process leakage through the state of the CPU's memory cache. This leakage reveals memory access patterns, whic...
Dag Arne Osvik, Adi Shamir, Eran Tromer
JOC
2010
92views more  JOC 2010»
13 years 2 months ago
Efficient Cache Attacks on AES, and Countermeasures
We describe several software side-channel attacks based on inter-process leakage through the state of the CPU's memory cache. This leakage reveals memory access patterns, whic...
Eran Tromer, Dag Arne Osvik, Adi Shamir
IACR
2011
252views more  IACR 2011»
12 years 7 months ago
A Meet-in-the-Middle Attack on the Full KASUMI
KASUMI is a block cipher which consists eight Feistel rounds with a 128-bit key. The confidentiality and integrity of UMTS, GSM and GPRS mobile communications systems depend heavi...
Keting Jia, Hongbo Yu, Xiaoyun Wang
DAGSTUHL
2007
13 years 9 months ago
How Fast can be Algebraic Attacks on Block Ciphers?
In this paper we give a specification of a new block cipher that can be called the Courtois Toy Cipher (CTC). It is quite simple, and yet very much like any other known block ciph...
Nicolas Courtois