> For the complete documentation index, see [llms.txt](https://enterprise.hideez.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://enterprise.hideez.com/use-cases/passkey/sso-login-to-web-services-fido2-via-passkey-and-hideez-server-as-identity-provider.md).

# SSO login to Web Services (FIDO2) via Passkey and Hideez Server as Identity Provider

{% hint style="info" %}
Here are the minimum requirements for using a smartphone as a Passkey on Android and iOS:

* Android 9.0 or later.
*  iOS 15 or later.
  {% endhint %}

{% hint style="success" %}
**Cross-platform authenticators** can be used across different operating systems (Windows, macOS, Android, iOS, etc.). Examples include FIDO security keys (Passkey) and biometric methods like fingerprint or facial recognition, which are supported on a wide range of devices.

**Platform authenticators** are unique to a specific platform. For example, Windows Hello facial recognition for Windows-based devices and Touch ID for Apple devices.
{% endhint %}

#### To create a Passkey on a smartphone or tablet, your employees will be prompted to scan the QR code on their PC:

#### 1. During the registration on the Hideez Server  process:

<div><figure><img src="/files/UVPj1PSg8dxxax3bCip0" alt="" width="266"><figcaption></figcaption></figure> <figure><img src="/files/1fRrH1Edatri4cFqdjZI" alt="" width="321"><figcaption><p>Select “Cross-Platform”</p></figcaption></figure> <figure><img src="/files/VOqRBP7YGpseQoQO46Id" alt=""><figcaption><p>Add a device</p></figcaption></figure> <figure><img src="/files/w6taLOhGSewDAx6ENBYt" alt=""><figcaption><p>Scan QR code</p></figcaption></figure></div>

#### 2. After registration on the Profile Page of the Employee

Login into Hideez Enterprise Server. Click **Profile (Admin account), and** go to the **FIDO2 Authenticators** sectio&#x6E;**.** Click **Add FIDO2 Authenticator,** select **Cross-Platform,** and follow the instructions.&#x20;

<div><figure><img src="/files/aPCZcX3NDHb8UTgPZH3D" alt=""><figcaption></figcaption></figure> <figure><img src="/files/tGIMWh7qbIoGXRQ5oqcm" alt=""><figcaption></figcaption></figure> <figure><img src="/files/6C9dXFHZdXnPmiEWy1dY" alt=""><figcaption></figcaption></figure> <figure><img src="/files/WWL2zg9aRpVA3Yo1CmGm" alt=""><figcaption></figcaption></figure> <figure><img src="/files/g7D4LfbBuSV8s8PVpjuY" alt=""><figcaption></figcaption></figure></div>

### Login to the Hideez Server via a smartphone as Passkey&#x20;

After your registration, your smartphone as Passkey you can log in to Hideez Server using that one.&#x20;

<div><figure><img src="/files/LWoNj0QKWP7njs3Dx3BN" alt=""><figcaption><p>Click “Sign in with a Security Key”</p></figcaption></figure> <figure><img src="/files/VnVqbBiURecrJxNor5FI" alt=""><figcaption><p>Select enrolled as passkey for Hideez Server</p></figcaption></figure></div>