Iron Key 1.3

A freeware program that encrypts files using the industry-standard DES cipher and produces self-extracting encrypted files, which can be sent safely over the Internet. No crypto software needs to be installed on the receiving side. Supports Windows drag-and-drop; integrated file shredder

Features:
Support for Windows drag-and-drop
Easy integration with Windows Explorer or other file managers,
Uses the industry-standard DES cipher in the Electronic Codebook mode for data encryption,
Integrated single-pass file shredder,
And it is absolutely FREE! No registration, no nagscreens - just install and use!