+8.1.2.6 Single-Factor Cryptographic Authenticator

8.1.2.6 Single-Factor Cryptographic Authenticator

Typical Usage

Users authenticate by proving possession and control of the cryptographic key.

Usability considerations for typical usage include the following:

Give cryptographic keys appropriately descriptive names that are meaningful to users so that they can recognize and recall which cryptographic key to use for which authentication task. This prevents users from having to deal with multiple similarly and ambiguously named cryptographic keys. Requiring the user to select from multiple cryptographic keys on smaller mobile devices may be particularly problematic if the names of the cryptographic keys are shortened due to reduced screen sizes.

Requiring a physical input (e.g., pressing a button) to operate a single-factor cryptographic authenticator could pose usability difficulties. For example, some USB ports are located on the back of computers, making it difficult for users to reach the port.

For connected authenticators, the limited availability of a direct computer interface (e.g., USB port) could pose usability difficulties. For example, laptop computers often have a limited number of USB ports, which may force users to unplug other USB peripherals to use the authenticator.

1. Przegląd

1.1 Odwołania

1.2 Zidentyfikowane wymagania

1.3 Powiązane regulacje

2. Zidentyfikowane wymagania

Wymagania

3. Powiązane regulacje

Regulacje
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