Here is a simple encryption program. The encryption is medium strength, but much faster than many other encryption algorithms. It is ideal for large files and zips of files. It is not a weak encryption method, and will be reasonably difficult to crack. It uses a symmetrical algorithm, so you use the same password to both encrypt and decrypt a file. The interface is very simple, just type in the password and hit the large crypt button. You will be prompted for a file to open, and then a filename to save to. Encrypt and decrypt with the same crypt button. The following zip contains an executable file, it is good policy to scan all executable files for viruses before running them.