Jabber: kyprizel @ gmail.com
You still can find me at livejournal and twitter. My flickr.
Sometimes I make writeups for interesting CTF tasks at smokedchicken.org.

some useless stuff:

RSA keyfinder script for IDA
SHA1 length extension attack example
Patch for "decompyle" Python byte-code decompiler
Nginx http_limit_req_module patch
RSA nopadding plaintext attack example
Patch for BoNeSi, adds packet fragmentation support