A weblog about TextMate, the Universe, and Everything
Three researchers in Berkeley have just put up a paper where they describe how from an audio recording of someone typing in English for 15 minutes, one can actually recover with very good accuracy the text typed! You can read a discussion about it on Bruce Schneier’s blog.
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Bruce Schneier, a security expert, talks about a new set of MD5 collisions generated by two researchers in Bochum. This renders MD5 not safe, i.e. completely useless. A very interesting read indeed.
For those of you who have never heard of MD5 before, a simple explanation is in order. Keep in mind that I am not a cryptography expert, and I am trying to understand these things myself. MD5 is what is known as a hash function. What it does effectively is, given a text, to produce a smaller text, consisting only of 128 characters, called the hash value, which can be computed very fast. The simplest way this can be used is to test if some huge download you just performed went ok. Some distributors offer the MD5 value of Read the rest of this entry »
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