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    Getting Started with YubiKey 5Ci

    Yubico SDK for iOS and Android

    Are you developing an iOS or Android app and want to integrate strong authentication? Now you can with the YubiKey 5Ci, an industry-first dual connector security key with support for USB-C and Lightning.

    Get Started Now

    Learn

    Follow these guides to help you rapidly integrate open standards with your products and services.

    Strong Authentication

    WebAuthn PGP OTP OATH
    FIDO2 PIV Mobile SDK Device Configuration

    Encryption & HSM

    OpenPGP PIV YubiHSM Device Configuration

    Connect

    Share ideas and find support in these online Yubico developer forums.

    Ask technical questions Report bugs and request features Search knowledge base

    Integrate

    Integrate the YubiKey with your product and services and submit for review to be listed as part of the "Works with YubiKey" program.

    Submit

    What's the Works with YubiKey program?

    Learn More

    Open Source

    Yubico offers free and open source software for integrating strong authentication into your product or service. We also provide solutions for encrypting and securing secrets on your servers.

    Java WebAuthn Server Python WebAuthn Server & CTAP Yubico Desktop OATH Authenticator
    YubiKey Manager Yubico Android OATH Authenticator Java OTP Client
    C CTAP Client Python YubiHSM
    All Projects