On 24-6-2012 17:30, Rainer Stratmann wrote: > Am Sunday 24 June 2012 16:59:36 schrieb leledumbo: >> key := 'testkey'; >> value := 'this is a string'; > > How is it working? > By xoring 'testkey' with 'this is a string' byte by byte? I hope not. http://en.wikipedia.org/wiki/Blowfish_%28cipher%29