Authentication is commonly understood as the act of asserting a user's or entity's identity, although in the wider sense it can refer to asserting the truthfulness of any kind of claim. Authentication, like encryption, is a major component in implementing computer security.

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In Google Plus API,GTMOAuth2ViewControllerTouch returning nil although using right clientId,clientSecret,access token

In iOS app, I am using below code to retrieve user's authentication in another view controller of which user is already logged in using google plus sign in API: GTMOAuth2ViewControllerTouch ...
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How to design non-required authentication for a public RESTful API

I have two Node servers. One which serves the website, and one which serves the RESTful API which powers the data behind the website. When the user logs into the website, a session is created. This ...
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Securing REST API for single page JS app?

I'm interested in developing a RESTful JSON data API using Sinatra, and have an HTML5/JS app consume that data API. Obviously the data API needs some form of authentication so that user Joe can only ...
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java.io.IOException : No authentication challenges found

I am newbie to android and this is my first project on android. I am struggling with "authentication" problem for more than a day. I tried several options but none of them worked. Basically, I want ...
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HttpUrlConnection not working and shows different status code for GET and POST call

I am getting FileNotFoundException when making GET call to REST API. Here HTTP status code I get is 403. For POST call I get IOException : No authentication challenges found, whereas I pass ...