<tdstyle="border: none; vertical-align: top;">Data appended to, or a cryptographic transformation of a data unit that allows a recipient of the data unit to prove the source and integrity of the data unit and protect against forgery e.g. by the recipient.
<tdstyle="border: none; vertical-align: top;">Cryptographic Key Management System (KMS)</td>
<tdstyle="border: none; vertical-align: top;">Framework and services that provide for the generation, production, establishment, control, accounting, and destruction of cryptographic keys. It includes all elements (policies, procedures, devices, and components), facilities, personnel, and information products that form the system that establishes, manages, and supports cryptographic products and services for end entities.