CTAP2.1's enhancements over CTAP2.0
Are there
any advantages of CTAP2.1 over CTAP2.0?
CTAP2.1
(Client-to-Authenticator Protocol 2.1) is an updated version of the CTAP2
(Client-to-Authenticator Protocol 2) specification for FIDO2 (Fast Identity
Online 2) authentication. Here are some of the main advantages of CTAP2.1 over
CTAP2.0:
1. Improved Performance:
CTAP2.1 includes
optimizations that improve the performance of FIDO2 authentication. For
example, CTAP2.1 reduces the number of round-trips required for authentication,
which speeds up the authentication process.
2. Enhanced Security:
CTAP2.1 includes
several security enhancements, including support for improved protection
against phishing attacks.
3. More Versatile:
CTAP2.1 supports a
wider range of authenticator types, including wireless authenticators such as
the authenton#1. This makes it easier for users to choose the type of
authenticator that best meets their needs.
4. More Robust:
CTAP2.1 includes error
reporting and recovery mechanisms that improve the robustness of the authentication
process. This helps to ensure that users can successfully authenticate their
identity even in the event of errors or other issues.
5. Improved User Experience:
CTAP2.1
includes several features that improve the user experience, such as support for
device attestation and user presence feedback. These features make it easier
for users to understand the authentication process and verify their identity.
Overall,
CTAP2.1 provides several advantages over CTAP2.0, including improved
performance, enhanced security, more versatility, greater robustness, and
improved user experience. These features make CTAP2.1 a more reliable and
user-friendly protocol for FIDO2 authentication.