This Ruby code will test a specified Host’s SSL certificate against the Debian-based blacklist of keys (RSA 2048 and DSA 1024) generated during the period where openssl on Debian-based installs suffered from a weakness in random number generation. Note that the blacklist is embedded in the code so the file is about 23 MB.
You can download it from the following link: https://packetstormsecurity.com/files/download/66798/haxssl.tgz
Source: https://packetstormsecurity.com/files/66798/haxssl.tgz.html