2
votes
1answer
66 views

How to Verify the Identity of the Caller of a Web Service

I have a server which is composed of a page and a web service. The web service is intended to be used by a Windows Phone mobile application that I will develop myself. Now, my question is, how do I ...
2
votes
1answer
96 views

User Authentication API

I'm developing a web API for a user database that will be used to verify a given username / password combination is valid. I'm just looking for comments / criticism on the following method that I'm ...
3
votes
1answer
205 views

Is there cryptographic material in a phone's SIM card that can be used with RSA encryption?

Given that a smart card stores a private key that can't be extracted, it appears that a SIM card is similar to a smart card in these respects. I need to store (or use an existing) private key on a ...
1
vote
3answers
110 views

RSS Feeds: restrict access

"We are a bunch of journalists and we share much of the information via e-mails. This has become tedious now. Hence we found out a way to share, by just having to share our private blog posts via ...
1
vote
1answer
98 views

How safe is WSIT username authentication with symmetric key?

I have an ajax-ws web service (exposed via glassfish) that uses username authentication with a symmetric key to encrypt and authenticate clients(link). How secure is this mechanism? Is this enough to ...
6
votes
2answers
281 views

Does anyone use XML Encryption?

The XML standard defines a mechanism for encrypting the data in a XML document. It's part of the standard. Does anyone use this XML encryption format? Are there any significant deployed systems ...
2
votes
2answers
128 views

Would a large prime service be useful?

The target users would be portable/embedded devices or resource limited code (i.e. javascript). The idea being that the devices could poll the service for validated primes and use them for encryption ...