Authorization is the process of determining whether a user, program or device is allowed to access a protected resource in a particular way. Authorization is a key theme in computer security practices.

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Facebook iOS SDK Authentication

The Facebook iOS SDK only needs your bundle & app IDs of your iOS app to match those of your Facebook app. If I find out an app's app ID, can't I just create another iOS app with that app's ...
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What are proper security precautions when enabling multiple connected social accounts or login/authorization methods?

It is popular today for frameworks and social sites to enable multiple authorization options when creating websites. For example, allowing a user to login with GitHub, Twitter, Facebook, etc. In ...
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146 views

NFS IP spoofing

I am using VirtualBox: where the guest is an Arch ISO and the host Windows/Cygwin or a generic Linux. For sharing host folders, VB native shared folders is not an option (since the setup requires ...
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65 views

Creating New Acc in Mac Mail 1st Connect to Server not SSL is uname & pw tx secure?

It appears that whenever you set up a new mail account on Mac Mail on OS X (or iPhone, iPad etc), that as soon as you enter the server and the mail account user name and password, Mac Apple-Mail tries ...
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In U-Prove, what is the purpose of “Pseudonyms”, “Committed”, and “Scope” values and how are they used?

U-Prove allows for anonymous authentication and authorization without the involvement of an IdP. When a client generates a presentation proof 3 values can be optionally included, but I can't find ...
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OpenID Connect: Why use authorization code flow?

I have a question about implementing OpenID Connect I was hoping I could get some help on. I understand the different flows and get that the authorization code flow is good because it allow client ...
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59 views

Using email to authorize access to a user's account

would greatly appreciate some advice from the experts here on this stackexchange. I'm building an application that requires access to a user's resources from a 3rd party application. This 3rd party ...
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62 views

Protecting data on a remote device

Background I have am developing a service which consists in a small headless client device (e.g. OLinuXino) which will contain sensitive data. The device will be plugged to a remote network (maybe ...
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IdM on apps we host for a client

We're looking at hosting some of a client's existing applications in our environment. My current thinking is we will have an encrypted channel back to the client's network over which authentication ...
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108 views

Is there a way to restrict hls key file served by cloudfront (over https) to only authorized users

I have a video file which is distributed after hls packaging and encrypted using aes 128. Since HLS key url is part of the m3u8 file I have to restrict the delivery of key file only to authorized ...
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Tacacs won't match cmd rules included in both user and group area at the same time

I'm struggling to set up TACACS+ commands authorization. I have users defined in tacs_plus.conf. All of the users are members of group ADMIN. Group ADMIN has command authorization definitions. Now ...
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186 views

Digital signature based authentication schema using two passwords

I'm working on an authentication system for a web based Bitcoin-related service. As part of the service, users do some less sensitive operations (mostly reading and sending various types of ...
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402 views

I authenticate my users through Facebook's Oauth client and want to secure my own called APIs

My application is divised into two parts: Javascript application as client Server side API's (RESTFUL through Play!2.2 framework) I expect users to be authenticated through Facebook's Oauth 2.0 ...
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249 views

What is the preferred way of using AWS (specifically S3) from mobile apps?

Adding the AWS access key and secret key directly in app code is definitely not a good approach, primarily because the app resides on the users device (unlike server side code), and can be reverse ...
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643 views

Simple Session Management Across Multiple Application Servers

How should I handle authentication for a simple iPhone chat app? Backend I'm building the backend using two application servers: Sinatra REST Server It lists users & old messages. Node.js ...
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57 views

How to associate an oAuth token with a particular user. Is this possible?

We have HTTP Rest services and SignalR (aka Web sockets, server send events, etc) for cases in which we need to push data from the server to the Web UI . We are currently using the built in tools that ...
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What to use to encode JSON Web Token?

I'm using JWT to create access tokens for a Sinatra API. My question is, what should I use to sign the token? Right now I'm trying to use the user's password hash, but bcrypt-ruby changes the ...
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54 views

Authorization using shibboleth sso

We have integrated shibboleth web sso into our application to authenticate the user, Now we want to do authorization for our application. The below is the process which is i am thinking for authz. ...