For questions relating to cryptography and IT security. This can be computer, network, or database security.

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1answer
33 views

Securing service calls

I have a ServiceCallContext object that must be passed in as the first parameter of any service call. I would like to put a User object on the context object but I know I can't force the caller to ...
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1answer
67 views

JSON Web Token & RESTful Web Service - How to securely store the Secret Key?

I was building a RESTful Web Service when I came across JSON Web Tokens as an alternative to traditional cookies for authentication. The concept core of this method is that the server is the only ...
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0answers
75 views

How to limit users of a service to a specific program

I have built an android game - I would like to add a "high score" leaderboard to it, such that people can show off how high they managed to score. How should I design it so that people can't "hack" it ...
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0answers
97 views

Handling permissions in a MVP application

In a windows forms payroll application employing MVP pattern (for a small scale client) I'm planing user permission handling as follows (permission based) as basically its implementation should be ...
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0answers
180 views

What is the “correct” way to store functions in a database?

Note: Yes, I know that storing functions in databases should be punishable by law. We are developing a financial web application using PostgreSQL, Sinatra and AngularJS. As you may have guessed, a ...
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0answers
76 views

How to validate information on server without using database or session

Each user has multiple sites they can access reporting data for in an application I am working on. To prevent having to go to the database on every single request, I validate that they have access to ...
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0answers
82 views

Token based autorization for a web game

I am lead developer for a multiplayer game in a small startup company. I would like to present here my solution for token based authentication and hear your opinions about possible weak spots. I am ...
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0answers
40 views

Online error reporting without network access

I have developed an application for android requiring no permissions, but the biggest downside of this is that I don't have error reporting. So, I was playing around for the past week with any ...
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0answers
36 views

Domain security involving domain logic

Together with my application's domain logic I am trying to outline the security model. I am stuck with a requirement that prevents me from considering security just a cross-cutting concern over my ...
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0answers
93 views

Switching between Azure Mobile Services vs my own implementation. Will UIDs change?

I'm looking at Azure Mobile Services, particularly the Authentication part (which I believe relies exclusively on OAUTH 1 or 2). I want to make sure that my application isn't tightly coupled to the ...
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0answers
832 views

Connecting with OAuth, dealing with logout and browser sessions

I work on a open-source web application (Moodle) which connects to a number of external services such as Google Drive, Dropbox etc. to allow users to exchange files with these services. Primarily we ...
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0answers
35 views

Implement taxometer paywall

I need to add a paywall to my site. According to this article, I want to implement a taxometer system. The easiest and least secure way would be tracking the number of viewed articles using secure ...
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0answers
15 views

Should I use OAUTH 'scopes' to provide access to specific resources?

I am researching & and learning about OAUTH, so please forgive me if this is a very stupid question.. It seems that scopes are typically used to define actions that I can take on behalf of a ...
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0answers
218 views

Row and Field level Security Management through Code First EF, WebApi2

I could not find such question specific to asp.net webapi row level security on SO. I am building an API through .NET Webapi2 with Entity Framework. I am trying to assess various options that are ...
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0answers
17 views

Storing a WCF endpoint in the registry - worried about security

I am storing my wcf endpoint in the registry, and using that whenever my app starts up to instantiate a wcf derived object. The user can change the endpoint location, to another server, and the ...
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0answers
526 views

Best practice: Secure Android app online authentication

Currently, I develop an Android App needing online authentication for login (and registration). The main focus is on security. I’m amaing for: keeping the users’ passwords safe and preventing MITM ...
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0answers
143 views

Security in Transversal Layer in Domain Driven Design

I'm building a solution based on Domain Driven Design, I'm trying to implement the security system (authentication, authorization, roles, system configuration, connection strings, etc..) in a ...
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0answers
55 views

Validating time-limited HMACs

I'm exploring using HMAC style secret-key authentication with timestamp expiry, but am struggling to get my head around how you validate the timestamp portion. On the client side you would do: ...
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0answers
1k views

How secure is this way of authenticating an ASP .NET Web API - creating your own tokens?

http://www.codeproject.com/Articles/630986/Cross-Platform-Authentication-With-ASP-NET-Web-API#_rating The above link shows exactly how I want to go about authenticating against an ASP .NET Web API. ...
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0answers
13 views

Choosing security scenario for WCF service/client hosted by IIS

in my case I have web server (hosted by IIS) in DMZ hosts multiple web services (WCF), the clients are non-server application (they are standalone .NET application) reaching these web services via ...