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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1answer
183 views

What datastructure would/have you used to store ACLs within a hybrid ACL/RBAC system?

In our system, every resource has an access control list (ACLs), which list entries (ACEs) that have a specific kind of access to that resource. The ACE can be for end-entities (eg: users like "Mr Q") ...
2
votes
1answer
101 views

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 ...
3
votes
0answers
61 views

Cascaded Sudo for privilege elevation

I intend to use the least privileged user to do a given task. The issue is that it involve a kind of responsibility chain and translate as a sudo chain in my scripts, spreading the overall task in ...
2
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0answers
49 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 ...
2
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0answers
58 views

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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26 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 ...
1
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0answers
68 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 ...
1
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0answers
80 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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139 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 ...