A blog about tech, programming, security, and various other subjects.



The sneakier way of violating net neutrality  Tags: networking, websites.
Net Neutrality

It's not just a good idea,
it ought to be the law.

— Kurt Griffith


I think many have seen this image already:
Encrypting passwords  Tags: security, webdevelopment, programming, websites.
It's so easy to bash Adobe for encrypting passwords instead of hashing them. The entire security community did, and of course they were right. Encryption is by definition reversible, so it was stupid of Adobe to encrypt passwords instead of hashing them, right? Right?

Or maybe not. As time passes and not a single password from an Adobe user has been leaked, aside from the ones solved in crossword puzzles, I was starting to doubt our judgment.
Now that I've actually had an SSD for a while...  Tags: computers, hardware.
Since I have an SSD, I'm never going to go back. The voice in the back of my head that's telling me I am expending write cycles every time I copy an iso is totally worth it.

An SSD is not just faster, it's an order of magnitude faster.

No, not by any benchmarks. Harddrives hit over 125MB/s and my SSD gets about 475MB/s, so at 3.8x faster it's by no means an order of magnitude. However, we're forgetting that you hit the maximum harddrive's throughput about, what, 0.001% of the time? The rest of the time, we are waiting for this thing called a "read-write head" to move and the thing called "platter" to turn around.
Searching 10GB of data As A Service - lessons learned  Tags: programming, webdevelopment, databases.
The day before yesterday I launched a service where you can check whether you were included in the Adobe accounts hack. I had the file, it could be grepped for stuff in about 30 seconds, and I thought "hey, others might want to do this too". And so I started coding.

My parents would be home soon and we'd go out for dinner, but I wanted it done. With the Linkedin breach someone else put up the same service so it doesn't seem to be an uncommon thing to do. Since I didn't want anyone to steal my idea before I could get it done (and my work would be wasted), I was kind of on a schedule.
Are you affected by Adobe's hack?  Tags: websites, security.
I wrote a tool that checks whether your email address and password were among the ones hacked at Adobe. It won't be online forever, just for a few days I think.

You can find it here: https://lucb1e.com/credgrep

The reason it won't be online forever is because it needs a daemon to run. Searching a 10GB file is not trivial, so instead of searching it for everyone individually I wrote a program that does it in the background (daemon). Whenever someone adds a search, it is added to the database.


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