Core Challenge-Response Features
- Supports the Yubico OTP algorithm
- Does not require a network connection to an external validation server
- Does not require additional low-level drivers for use — all communication is supported by the built-in HID class driver
- YubiKey may be configured for automatic validation or can require user response
- Supports standard HMAC-SHA1
- YubiKey creates a “Response” based on a provided “Challenge” and a shared secret
- High-Level Device Configuration Component based on Microsoft’s COM/ActiveX technology provided for ease of integration
- Supports a wide range of languages and scripting environments
Programming the YubiKey with a Challenge-Response Credential from Yubico on Vimeo.







