How Jeroen Zomer sees IT

Archive for May, 2011

Decoding WebSphere passwords

Tuesday, May 17th, 2011 Posted in security, technology, websphere, work | 28 Comments »


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Older versions of IBM WebSphere encodes its passwords with a simple algorithm. These passwords are not encrypted and it has been known for long that decoding them is fairly simple. So far the presented methods did not always suit my ...

SSH login with a certificate (Windows)

Monday, May 2nd, 2011 Posted in security, technology, work | 4 Comments »


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One of the most convenient ways to login to a server with SSH, is with certificates. Although the principle is pretty well documented all over the internet, I still found some issues setting it up myself from my Windows laptop, ...

SSH login with a certificate (OSX)

Sunday, May 1st, 2011 Posted in security, technology, work | 4 Comments »


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One of the most convenient ways to login to a server with SSH, is with certificates. Although the principle is pretty well documented all over the internet, I still found some issues setting it up myself from my Mac, hence ...