GR-6.3.14
(a) an element categorised as knowledge (something only the user knows), such as length or complexity of the pin or password;
(b) an element categorised as possession (something only the user possesses) such as algorithm specifications, key length and information entropy, and
(c) for the devices and software that read, elements categorised as inherence (something the user is), i.e. algorithm specifications, biometric sensor and template protection features.
Amended: July 2021
Added: April 2019
Added: April 2019