Tagged Questions

4
votes
2answers
2k views

How expensive is it to guess a 15 character password, and should I be worried?

I'm currently using AES encryption (at home) on GNU/Linux (one of LUKS AES-256 variants with xts) and on Windows 7 (Truecrypt) with a 15 characters password (alphanumeric lowercase only plus _). ...
4
votes
2answers
493 views

Blackberry QNX / Playbook encryption details

Now that Blackberry received FIPS 140-2 certification for one of it's QNX devices, does anyone have technical specifics on how data is encrypted on both mobile phones or the Playbook tablet? I'm ...
10
votes
4answers
2k views

OS with encrypted RAM?

Are there any applications, JIT frameworks or operating systems that focus on encrypted virtual memory, or perhaps virtual machines that do something similar? I know there are processors (albeit old, ...
1
vote
2answers
2k views

How can I recover encrypted files after system reinstallation

I had a file which contains images and videos, I was using the windows 7 ultimate and I had encrypted the file. Now I have copied that file to my hard disk and format that operating system and again. ...
4
votes
6answers
666 views

Is there any asymmetrically encrypted file system?

Is there a file system providing a directory where everybody can write, but only the directory owner can read the files? In theory it could be done by encrypting using the public key while writing, ...
4
votes
4answers
296 views

Data categorization: Critical or not

I need to provide two means for securing data within my application. First is using the Operating System sandboxing model (I am talking about Mobile Phones OS) and the second using the OpenSSL AES ...
26
votes
1answer
5k views

iOS Encryption Details

Following on from this question Does anyone have any details/resources on the technical specifics of how apple implement encryption on their iOS 4.x series devices? The Apple marketing material here, ...