Secure disk encryption
Do you want to encrypt the data stored on your hard drive? Already use disk encryption software but want to secure it further? You can secure your data in a easy and secure manner using two-factor authentication with the YubiKey.
Full Disk Encryption
Commercial FDE products may utilize a Yubikey configured in challenge-response mode for validation without requiring additional hardware to be installed.
TrueCrypt Disk Encryption
Use a YubiKey, programmed with a static password, to create a strong password for hard disk encryption using the Truecrypt open source software.