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Category Archives: Cryptography
New Version of CrypTool
New version of CrypTool has been released on August 4th, 2010. The current release version for users is CrypTool 1.4.30. It is available in English, German, Spanish, Polish, and from this version, in Serbian version. My students from “Visoka škola elektrotehnike i računarstva” from Belgrade, contributed localization of this software to Serbian language.
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Interception of GSM Calls
There is serious vulnerability with A5/1 encryption scheme used in GSM networks. It can lead to interception of GSM calls. This vulnerability has been presented by Karsten Nohl and Chris Paget at the 26th Chaos Communication Congress (26C3). Continue reading
Second Round Candidates of the Cryptographic Hash Algorithm Competition Selected
NIST has selected the Second Round Candidates of the SHA-3 Competition recently. Following 14 second round candidates to continue in the competition: Continue reading
Posted in Cryptography, Security Research
Tagged competition, Cryptographic Hash Algorithm, Keccak, NIST, Round 2, SHA-3, Skein
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MD5 Collisions
It seems that bad days came for MD5 and those who based hashes on it. It is possible to create two executable programs with different functionalities with identical MD5 hash. Therefore, it is possible to create malicious executable which has … Continue reading
Posted in Cryptography, Security Research, Software Security, Threats, Vulnerabilities, Attacks
Tagged attach, collisions, Hash, Hongbo Yu, MD5, tool, Xiaoyun Wang
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NIST – A New Hash Competition Update
I had already written the post about NIST Competition for New Cryptographic Hash Function on my blog. Here are updates based on article by William E. Burr, “A New Hash Competition”, IEEE Security and Privacy, vol. 6, no. 3, pp. 60-62, … Continue reading
Posted in Cryptography, Security Research
Tagged competition, Hash, IEEE Security and Privacy, NIST
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