Hardware Security Module (HSM)

A Hardware Security Module (HSM) is a tamper proof device which can be used to offload certain security related functionality to the attached hardware device. For example a HSM can be used to securely generate and store private keys and provide a real random generator based on a physical random source. Most HSMs are FIPS 140 certified. The CipherMail email encryption gateway has been tested with HSMs from the following vendors: