What tools are known to be not strong?
The tool has a big probability to be not strong if it has one or more “Snake Oil Warning Signs”. You should also read the Bruce Schneier’s Crypto-GRAM from February 15, 1999. It is even worse when it has no such signs but still it is not strong. It is impossible to distinguish a really good program from the other that only seems to be one, judging only by it’s appearance, documentation, supported functions or authors’ names. Here is incomplete list of programs known to be not strong: • Norton Secret Stuff v 1.0 • Crypt-O-Text v. 1.21-1.24 • WinXFiles (up to v. 3.5) • Icon Lock-It • Encrypt-It for Windows • UnBreakable Encryption (UBE) 98 • File Locker 1.11 • Package for the Web v. 1.x-3.x • MasterKey The crackers of the above products exist (Add more…