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Tagged With: encryption

let’s encrypt

I never bought a commercial grade SSL certificate for my private website, but I used free ones before. Usually from startssl. While it worked, the process was cumbersome. And then when I wanted to renew, my browser showed a warning that their own certificate was out of order. When the letsencrypt initiative (supported by mozilla … Continue reading »

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locally encrypted remote storage

Unlike the ordinary users, tech savy people are well aware of what can happen to your data, if you store it on cloud services such as dropbox. There are services that promise to encrypt your data locally, so that they can’t access them, a prominent one being wuala. On one hand, I don’t know if … Continue reading »

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Full disk encryption with the crypto stick

Last week I finished the udacity applied cryptography course. I did not as well as in the other courses, nonetheless I learned a lot and it was (as always) really interesting. We learned about symmetric and asymmetric encryption, hashes as well as key exchange and management. Each week in addition to the regular homework, we … Continue reading »

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Playing with Smart-Cards

Ever since reading the book “Kryptographie und IT-Sicherheit” where I first learned about how SmartCards work, I wanted to do some SmartCard programming. In the book it describes some inner workings of Smart Cards, and that some of them have a small Java VM inside. But it turned out that the entry was not as … Continue reading »

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