1. The process of applying a count value to a cryptographic key using the Boolean exclusive-OR function. [After X9.17]
2. The count so added.

1. In public-key cryptography, a public key and its corresponding private key.
2. Two key-encrypting keys that are used in concert to encrypt other keys. [After X9.17]

The recertification or replacement of a certificate authority's public/private key pair.

Key used to initialize a keystream generator for the production of other electronically generated key. [INFOSEC-99]

A system of sending telephone calling signals in which the digits are transmitted by operation of a pushbutton key set.
Note: The type of key pulsing commonly used by users and PBX operators is dual-tone multifrequency signaling. Each pushbutton causes generation of a unique pair of tones. In military systems, pushbuttons are also provided for additional signals, such as precedence.… (Read More →)

In cryptology, the protection of keys against compromise. [After X9.19]

A message used for transferring keys between subscribers. [After X9.28]

A multiline or multifunction user terminal device.

A non-secret value that uniquely identifies a key set. [After X9.24]

In cryptology, storage of cryptographic keys in such a manner as (a) to protect them against unauthorized use, disclosure, or tampering, and (b) to erase them and re-initialize equipment upon tampering. [After X9.19]