Cracking DES: Secrets of Encryption Research, Wiretap Politics and Chip Design
Cracking DES: Secrets of Encryption Research, Wiretap Politics and Chip Design
Cryptanalysis of Block Ciphers with Overdefined Systems of Equations
ASIACRYPT '02 Proceedings of the 8th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Attacks on the RC4 stream cipher
Designs, Codes and Cryptography
Password Cracking Using Probabilistic Context-Free Grammars
SP '09 Proceedings of the 2009 30th IEEE Symposium on Security and Privacy
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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 such documents mainly depends on two factors: the size of the password search space and the computing power of the underline system. In this paper, we present an approach using modern multi-core graphic processing units (GPUs) as computing devices for finding lost passwords of ZIP archives. The combination of GPU's extremely high computing power and the state-of-the-art password structure analysis methods would bring us a feasible solution for recovering ZIP file password. We first apply password generation rules[9] in generating a reasonable password space, and then use GPUs for exhaustively verifying every password in the space. The experimental results have shown that the password verification speed increases about from 48 to 170 times (depends on the number of GPUs) compared to sequential execution on the Intel Core 2 Quad Q8400 2.66 Ghz. These results have demonstrated the potential applicability of GPUs in this cryptanalysis field.