Authentication - establishing the authenticity of a person or other entity. Not to be confused with authorization - defining access rights to resources.

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If I have the cell #. switch ID and name, can I locate an physical address? [closed]

Only a PRO can help me! My husband had an affair, said it was over five years ago and I should not be concerned, ever again. Yet, the result was devastating, medically with cancer. I believe people ...
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164 views

Oauth authentication without state parameter

I have some security concerns about the first step of account authentication in my application. The authentication goes through an OpenID provider. If the response of such provider shows that the ...
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63 views

Logging in from one CMS to another

Two websites with different CMS, user should type login & password on one website and needs to be logged in second website automatically. Now i have this method, it works but i want to know - is ...
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162 views

HMAC authenticated API calls with multipart/form-data file uploads

We have an existing API where 3rd parties can push data. The API calls are authenticated with HMAC using the same scheme as described in Ruby's ApiAuth library which I use to verify signed requests. ...
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1answer
231 views

Identify the attestation certificate (X.509) in Fido U2F registration response

I'm trying to identify the attestation certificate (X.509) in Fido U2F registration response as described in fido-u2f-raw-message-formats-v1.0-rd-20141008.pdf document: An attestation certificate ...
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229 views

Accessing the Exchange EWS API with safety in mind

I'm new to the security stack exchange, so feel free to edit the question or redirect me to another forum if this is not fitting. I'm currently working on a web application that will allow the user ...
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52 views

authentication token not stored in DB

I am implementing a webserver and the guideline I am following suggests: - to create token by a Serializer that takes the IdUser, a symmetric key and an expiry date - provide it to the user but not ...
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221 views

Is generating custom authentication token for WCF service requests a good practice?

I have public WCF web service which works over https. There are lots of technical restrictions on client side, so I can't use any advanced schemes like oauth. I have registered users and some of them ...
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1answer
235 views

Can Google's administrators be trusted with Google Authenticator? [duplicate]

Suppose there is an evil Google administrator who has full access to every server or network at Google. Will such a person be able to abuse the Google Authenticator technology to gain access to ...
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1answer
200 views

User Authentication for a public website in 2015 [closed]

I am creating a new website for online shopping in .net and was wondering if i have another option beside Forms authentication to validate the users in a safe and secure way (this has been around for ...
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107 views

Questions about SRP algorithm

I trying to use SRP algorithm but I have some questions: Is that a good choice to use for registration and authorization SRP algorithm with SSL/TLS? And for all other transmission using just ...
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1answer
422 views

Correct auth method using oAuth 2.0?

Been trying to wrap my head around oAuth 2.0, but I'm struggling figure out the correct way to implement it for our system, as there are so many different approaches. Our specifications are: Secure ...
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139 views

How does disabling sign in upon confirmation make devise any more secure?

Referencing reasons given in this question http://stackoverflow.com/questions/18655334/avoid-sign-in-after-confirmation-link-click-using-devise-gem Devise does not allow the immediate sign-in of a ...
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48 views

Some very (very) strange issues in wpa handshake [closed]

I have a router (actually it is an android phone as an access point) with wpa2 AES encription, and I'm trying to crack the password with a very small word list. Strangest thing is, when I use ...
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0answers
56 views

Best way to authenticate for Funding balance with API call [closed]

I have an API call where a user adds to their balance when funds are low. The actual payment is done via Braintree, but I need to allow the user to make that call via their API. What would be a good ...
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1answer
195 views

Domain socket authentication as in MySQL and PostgreSQL secure?

Are authentication mechanisms based on UNIX domain sockets (Linux) secure? And more specifically, are the respective MySQL and PostgreSQL implementations on Linux secure? The background for my ...
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0answers
322 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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123 views

Security considerations for RESTlike HTTP API of an embedded system

I'm designing a HTTP service for an embedded device and wondering if the following security concept is good enough: SSL(Up to Version 3) is enabled by default, TLS is not by limitations of the ...
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109 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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52 views

Does Ally Bank's trusted image system actually make login safer? [duplicate]

Ally Bank uses a 'trusted image' system to supposedly make login more secure. I can't find evidence that this is standard practice, so I'll explain it. When creating an account, you choose an image ...
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287 views

Using a bearer token to get a federation token from ADFS

Why is it not possible to use a bearer token from an IdP STS to get ADFS (2.1) to issue a token? All issuedtoken endpoints require a symmetric or asymmetric key in the IdP token. Is there a specific ...
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26 views

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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210 views

How to add user entries with password field in LDAP over HTTPS

I am new to this kind of stuff (HTTPS etc.) and pretty much confused on how to go ahead with this. An LDAP server (ApacheDS) at the back-end stores the user details. To add new users, the user ...
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167 views

Security for message queue in ActiveMQ

I am using ActiveMQ and WSO2 for my application. I need to protect my queue to restrict posting of messages by anonymous users(I need to protect my queue with some password). I know, there is a ...
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1answer
1k views

What is a AUTH-KEY in the security of the computers?

I'm studying security in computers and in particular the URL Spoofing. I understand that a form of URL spoofing is phishing. Then I read that a countermeasure against phishing is the authentication ...
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1answer
100 views

Amazon Turk - How secure is it? Strange behavior

I just had this really strange experience with Amazon Turk, where suddenly I was logged into someone else's account. I was logged into the company's Turk account, left my computer for a while, ...
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316 views

Can the device seed be recovered from the iPhone/Android RSA SecurID app?

The Windows RSA SecurID app allows the device seed to be determined and cloned from one machine to another (see this blog post). Do either the iPhone or Android RSA SecurID apps suffer from the same ...
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214 views

Login Authentication with SSL and HMAC

My question is pretty similar to : http://stackoverflow.com/questions/5487757/using-hmac-sha1-for-api-authentication-how-to-store-the-client-password-secure. Basically, I want to write an API for my ...
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326 views

Client-server authentication protocol suggestion

I'm designing an authentication methods for my client/server system consisting of: a windows desktop client application (.NET) windows/linux servers (C++) one "security server" which authorizes the ...
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1answer
103 views

Issues of using HOTP w/ iteration window

I am using HOTP to generate OTP to validate a request, in order to prevent replay attacks. I'm thinking about using a window of 10 (or so) iterations to accommodate a possible mismatch in the counter ...
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102 views

Considerations when implementing a key based SSH-like auth scheme

I have a SMTP server where all the users (for an unrelated reason) will have public keys tied to their username and registered with the server. I want to add a non-standard extension that uses these ...
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244 views

Can we create custom APDU for non-smart (memory type) contactless card?

I want to implement card-based authentication for the parking system in a university. Currently all students own a Java Card-based student ID card, if they have not broken or lost it. Can we create ...
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300 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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625 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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61 views

How exactly are physically unclonable functions used in authenticaton if they are unclonable?

There is ongoing and quite promising research with prototypes presented about using physically unclonable functions (PUFs) in authentication. If they are practically unclonable, how is a PUF-based ...
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220 views

Persistent login by hashing password hash

It seems that persistent logins are technically the same as storing a password on the client, and therefore should be avoided whenever possible. However, real life users would be unhappy with having ...
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62 views

Is the digital declaration just an obscure proposal?

One professor from my university proposed me and some colleagues to work on a paper about the digital declaration (which is supposed to be better than the digital signature) for passing the subject. ...
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130 views

Yet another newbie security paranoid user authentication [closed]

I am building yet another website which requires user and session authentication. This time I want to be complete security paranoid and actually care if the passwords or sessions are stolen. I have ...
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234 views

How should I authenticate my SPA frontend with my API since I´ve got no authentication process in the site?

We are designing a web site for selling financial products online. The following is a high level description of the components: Our frontend will be a SPA built with AngularJs. The frontend will ...
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205 views

Does Diffie-Hellmann (DH) key exchange protocol lower Off-The-Record protocol (OTR) security level?

Off-the-Record protocol employes Diffie-Hellman key exchange protocol (DH). DH protocol does not provide authentication of the communicating parties and, according to many sources, is vulnerable to ...
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777 views

automatic connection from LSASS to different IPs. Is this the usual behavior?

I'm using windows 7. firefox 22. connecting through a regular residential wifi router. In the last month I've noticed that when I connect to the internet and once in a while my firewall indicates me ...
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2k views

Want to implement a really good authentication mechanism for REST API

I own a web application (single page application with Angular), that asks for some data through a set of REST APIs based on my server-side application (using Play Framework 2.2.1). So basically, I'm ...
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956 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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229 views

Is my approach to anonymous certificate based HTTP(s) authentication and secure private messaging sound?

I'm trying to work out a somewhat anonymous secure messaging system, and was hoping someone could validate my overall approach. Keep in mind, this all takes place over HTTPS. Authentication While ...
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105 views

how to implement 4-legged authentication for mobile application?

I have a REST web service which already implements oauth authentication mechanism via browser. I would to expose my API to a number of mobile clients programmed by third parties. In this scenario 4 ...
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150 views

Putty Event Log

Can anyone explain me the Step by step process of Key Exchange that takes place while accessing Linux machine using Putty ? I found the Event Log of Putty but the Various Key Exchange didn't make very ...
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25 views

Get Service_key in the course of kerberos authentication [closed]

Built environment 1) Exchange server: The operator system of Exchange server is Windows Server2008R2, We configured it as Active Directory (primary domain controller) used for client authentication ...
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62 views

How to get Service_key and the corresponding function call interface from the Samba source TGS_REP part

1, My existing configuration environment are as follows: (1), Server_side, Redhat5.5 Enterprise with samba4.0.0 installed, Ip Address: 5.5.5.149; domain name: EXAMPLE.COM; (2), Client_side: windows ...
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61 views

Any Suggestion Exchanging shared key between process via port in untrusted machine (infected my malware)?

I am trying to get shared key between Firefox extension and a java program running in same machine. I am communicating both application via socket. My assumption is that malware is running in ...
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97 views

Is what flexi_auth does with its use of its $this->auth object good practice?

I am looking at the authentication library Flexi_auth for CodeIgniter. To use the library you have to create a object one time in the controller before the lib is used Like this: `$this->auth ...