Challenge-Response can also be used with software (such as Yubico Authenticator) to act as a single OATH-TOTP credential.Īll three of these OTPs are described in more detail below, under OATH and under OTP. Touch-triggered OTP also supports a static password and Challenge-Response.
We support OATH-HOTP and OATH-TOTP directly on the OATH function on the YubiKey (usually called OATH and used with Yubico authenticator).We support the Yubico OTP and OATH-HOTP directly on the touch-triggered OTP function on the YubiKey.Note that the OTP and OATH categories overlap technically, there are three true OTPs: The applications are all separate from each other, with separate storage for keys and credentials.įor information on managing all these applications, see Tools and Troubleshooting. The YubiKey 5 Series provides applications for FIDO2, OATH, OpenPGP, OTP, Smart Card, U2F. NFC ID Calculation Technical Description.Secure Channel Key Diversification and Programming.Yubico Secure Channel Technical Description.Answer to Reset (ATR) and Answer to Select (ATS).Elliptic Curve Cryptographic (ECC) Algorithms.Firmware: Overview of Features & Capabilities.If you lose all of your trusted devices and security keys, you could be locked out of your account permanently. You're responsible for maintaining access to your security keys. A security key can act as the second piece of information, instead of the six-digit verification code that is normally used.īecause you use a physical key instead of the six-digit code, security keys strengthen the two-factor authentication process and help prevent your second authentication factor from being intercepted or requested by an attacker.The first piece of information is your Apple ID password.With two-factor authentication - which is designed to make sure that you're the only one who can access your Apple ID account - you need to provide two pieces of information to sign in with your Apple ID to a new device or on the web. Security Keys for Apple ID is an optional advanced security feature designed for people who want extra protection from targeted attacks, such as phishing or social engineering scams.
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