qrlogin

qrLogin is an authentication system based on the reading of the qr code by the mobile phone and the transfer of authentication data via the http/https protocol to the application or to a web resource.
The mobile application qrLogin by reading of a specially generated qr-code allows:
To authenticate on a web resource or in an application; 
To subtract and save account data; 
To subtract the credentials of the new account, generate a password or key and send these data to the server to complete the registration of this account. 
qrLogin is the unique thing you need to enter the web page.
To log in to the web resource, run qrLogin and scan the qr-code in the form of authentication on the web page or in the application.
<h3>qrLogin app</h3>
Secure storage of passwords; 
Support for OTP passwords; 
Ability to generate passwords and OTP keys in the application; 
Secure export / import of database of accounts with encryption of secret data; 
Ability to authenticate on the resource even if there is no Internet connection; 
Adding a new account by scanning of qr-code; 
Protection of access to the program and authentication data using a fingerprint or PIN options; 
Support for Android and iOS devices; 
Absolutely free full-featured version for Android and iOS; 
Simple integration with web resources and applications. 
To operate with this authentication system the web resource needs only to place the following qr-code that contains the URL for authentication and a unique session identifier in the authentication form. The mobile application will open the specified URL and will pass authentication data.

qrLogin

qrLogin is an authentication system based on the reading of the qr code by the mobile phone and the transfer of authentication data via the http/https …

ider

With this plugin you can provide login and registration process using the IDer Service. 
An additional “Login with IDer” button will appears along the regular one.
How it works? 
1. First of all you need to create a profile in the <a href="http://ider.com/" title="IDer website" rel="nofollow ugc">IDer</a> website 
2. Clicking the button a redirect to the IDer server will display a QR Code 
3. To scan it you need to download the free IDer App from the App Store or Google Play depending which cell phone you own. 
 Or just scan the QR code with any QR Code reader and you will be redirect to the download page. 
 Provide few infos and you are ready to scan the QR code 
4. After that the IDer App will prompt you for the missing data required to complete the login/registration process. 
 Confirming the data your browser will automatically log you in and show you which info the website saved.

IDer Login for WordPress

This plugin provides functionality to register and connect to your WordPress via IDer Service.

qrLogin vs IDer Login for WordPress