Tagged Questions

0
votes
2answers
294 views

Encrypted flash drives

I have searched the web for information on secure encrypted USB flash drives. I have found that the most secure encryption is hardware-based like Kingstom DT4000 for example. Why is a simple USB ...
4
votes
2answers
274 views

Can I use hardware random number generation on my computer? Am I already using it?

A lot of computer security depends on encryption: SSL connections, TCP packet sequencing, encrypted files, etc. These depend on random number generation to ensure that attackers can't guess the ...
5
votes
1answer
457 views

How does the encryption of FPGA works?

I know that FPGAS of Altera enables you to encrypt the RTL code while you work with it, what I can't understand is why it is really encrypted since once I have the FPGA, I can take it and with flash ...
0
votes
1answer
304 views

Is Intel AESNI supported by Xen in VPS/Cloud hosting environments? [closed]

I'm having trouble determining whether when using a hosting company that uses Xen virtualization and Intel processors with AESNI embedded encryption, I would have access to AESNI (i.e., is it an ...
2
votes
1answer
360 views

Is hardware based disk encryption more secure that software based?

As a spin-off of my question on "Advice on buying an encrypted disk" -- and in an effort to address the question "how is hardware based disk encryption better?" -- I've started a new question. My ...
6
votes
2answers
563 views

Do Flash memory (SSD) architecture impacts encryption techniques?

I'm working on encryption techniques on SSD's and my question is: does the erase before write architecture of SSD's has anything to do with the encryption technique? What are the problems I might ...
12
votes
6answers
624 views

How can the impact of cold boot attacks be minimized?

Short of powering down and maintaining physical security for sufficient time, what are effective strategies for keeping keys from being disclosed by cold-boot attacks, and can anything be done without ...
5
votes
2answers
1k views

Tool or Process to check for AES-NI support on processor?

In another question: How to choose a stream cipher, Thomas' answer mentioned the AES-NI instruction set, which piqued my curiousity. Is there a tool or process available out there to check whether ...
4
votes
4answers
373 views

What do you do to protect data on a Macbook in the event of theft/loss of the device?

What setup do you recommend to protect data on a MacBook in the event of theft/loss of the device? I'm specifically interested in Macs here, rather than laptops generally, and in concrete ...
8
votes
5answers
1k views

What is the benefit with using encrypted RAM Memory?

I sometimes hear that encryption is used for the RAM Memory, but I don't really understand why this is needed. Why is RAM Memory needed to be encrypted? and is this done by the hardware, the ...