Tagged Questions
22
votes
2answers
998 views
Why can a TOR exit node decrypt data, but not the entry node?
Me -> Node A -> Node B -> Node C -> destination
The documentation on TOR always states that only the exit node C can see plain text data. How is this possible without me talking to Node C ...
3
votes
2answers
141 views
Sharing encrypted data
I have a web app that is storing information related to a organization that I would like to encrypt but share amongst organization members. I would only like the members of the organization to be able ...
6
votes
4answers
214 views
Is it possible for a third party to sniff data off the line to an ISP and determine what the user is doing?
Can somebody hack the line between my router and service provider and monitor what I'm doing online and what sites I'm visiting?
3
votes
2answers
768 views
How effectively can ISPs detect illegal file sharing?
Recently the USA passed a law requiring ISPs to spy on their customers' internet connections to check for illegal file sharing. I assume that they would do this by sniffing packets, but doesn't this ...
9
votes
4answers
741 views
Why encrypt data in memory?
I saw that KeePass not only encrypts its password-database-file, it also can encrypt the passwords it holds in memory. This is just an example. I thinking of a new project dealing with sensitve / ...
10
votes
2answers
769 views
How might the U.K. Government's proposed internet surveillance equipment “bypass” encryption?
http://www.channel4.com/news/black-boxes-to-monitor-all-internet-and-phone-data
http://rt.com/news/uk-privacy-internet-freedom-186/
'Black boxes' will be installed by internet services providers ...
6
votes
3answers
2k views
Storing Credit Card Numbers
I'll be making a website with a membership type of option for the website, and I'll be most likely using Authorize.Net to make the transactions, however, I need to know what kind of encryption I can ...
5
votes
2answers
212 views
System for Mutual authenticaion and confidentiality
I am looking for a protocol where there needs to be mutual authentication between client and server. For example server should connect to a particular client only. That is client should authenticate ...
1
vote
1answer
448 views
Android application level encryption cracking
We come across Android applications which use the custom encryption. When we proxy the Android phone or emulator, the proxy captures traffic which is unreadable.
Is there a known technique to read ...
12
votes
5answers
574 views
Is there a digital “safety deposit box” equivalent?
Digital safety deposit boxes: do they exist? if yes, are (any|they) trustworthy?
There are many bricks and mortar financial institutions where one can rent a locked box in a locked room and be ...
