Apricorn Aegis Secure FIPS Validated Key 32 GB USB 2.0 256-bit AES-CBC Encrypted Flash Drive ASK-256-32GB (Black) FIPS Validated 256-bit Military Grade Hardware Encryption PIN activated 7-15 digits - Alphanumeric keypad use a memorable number or word for your PIN No software or drivers required Dust and water resistant durable aluminum housing OS and platform independent - compatible with Windows, Mac, Linux and embedded systems