Archive | Cryptography


05 March 2007 | 6,184 views

Let’s Digest Some Messages – md5 Hash Checker for Windows

Of course it’s a small article about md5… I really wondered how many Micro$oft Windows users check the md5 sum of programs that they download from the internet… Do you really trust that much the mirror websites? Even I could set up a mirror website for any download website and spread malformed packages to include, [...]

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02 March 2007 | 10,538 views

SHA-1 Cracked – Old News, But People Still Talk

A paper about cracking SHA-1 originally surfaced in 2005, from a fairly reputable scientific source in China, it was widely publicised nor talked about much. But then recently, just last month China managed to make a wave out of it, almost 2 years after the initial ‘report’. It was even Slashdotted on January 20th 2007, [...]

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29 May 2006 | 6,065 views

Malicious Cryptography – Cryptology & Cryptovirology

I know this maybe old news for some of you, however, I just got the chance of reading this great article on Security Focus (it’s been 2 weeks since I add it to my Favorites) This two part article discusses some good points of Cryptology, more precisely in the field of Cryptovirology. Writing a virus [...]

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