the process of converting information using an algorithm (or cipher) to render the information unreadable to anyone who doesn't have the algorithm (also known as a key)

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13
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2answers
4k views

What user behavior is necessary to make Filevault 2 maximally secure?

Situation: Filevault 2 passwords can be stolen Passware has released the Passware Kit Forensic 11.3 which is able to steal the FileVault 2 password from the RAM by performing a DMA Attack via the ...
4
votes
2answers
457 views

With FileVault enabled, do I need to overwrite my hard drive with 0's before getting rid of it?

When I give up my laptop I like to securely delete the hard drive. I would assume that since it's full disk encrypted using file vault that I should be able to just delete the real key for boot ...
2
votes
1answer
634 views

Accessing encrypted FileVault 2 (?) partition from Snow Leopard

I'm trying to access an encrypted partition on an external hard drive. My dad formatted it in OS X Lion before sending me the drive. I am running Snow Leopard with no access to a Lion install... ...
1
vote
0answers
106 views

Lion doesn't mount encrypted disks anymore

I have several encrypted disks and all of a sudden Lion isn't mounting these disks anymore (it doesn't even asks for a password when I plug the disks). I have tested the disks on another Mac and they ...
3
votes
1answer
865 views

Does Notational Velocity/nvALT securely sync with Simplenote?

I set nvALT to use a single database to store my notes. Using a database provides the benefit of encryption. I also sync my notes using Simplenote. I just noticed this warning at the bottom of the ...
11
votes
4answers
2k views

Tools to compress and encrypt files

I want to compress several files and encrypt them with a password if possible. Are there any build-in tools in Mac OS that provide such functionality? If not, can you recommend me a (freeware) ...
1
vote
0answers
1k views

iOS 5 now encrypts my text message backup?

I've always used MesaSQLite to open the SQLite database that stores my iPhone's text messages. I've also used python's sqlite3 module to programmatically do some things with my text messages. After I ...
4
votes
2answers
398 views

Are there any public audits of the disk level encryption in Mac OS X Lion?

As a rule, one should never trust closed source cryptography software, but encrypting external drives and Time Machine backups has become quite convenient in Mac OS X Lion. Is that specific code ...
0
votes
1answer
603 views

How can I back up a computer with PGP whole disk encryption enabled?

My mac has PGP whole disk encryption (WDE) installed. I would like to back up my entire drive. However, the backup must also be encrypted (although not necessarily with PGP WDE). I need to be able ...
2
votes
2answers
1k views

How can I mount a drive with Truecrypt through a script based on its UUID?

I keep an external drive on my desk at work that I used as an off-site (ie not at home) backup. Because it could easily get taken I have a partition on it encrypted with TrueCrypt. I've got a script ...
3
votes
1answer
1k views

Apple Push Notifications SSL Error

The APNS worked fine for various month until few weeks. Every time we send Push Notifications the connection aborts with the following error: PHP Warning: fwrite(): SSL operation failed with code ...
1
vote
2answers
200 views

Combining multiple small DMGs into one large “virtual” DMG

I created 50 small (1GB) encrypted DMGs using DiskUtility, and want to combine them into a single 50GB "virtual" drive but still have 50 1G images on disk. How? Why: I want to encrypt my files ...
3
votes
1answer
1k views

Can I encrypt an external harddisk which is in HFS+?

(journaled, encrypted) is a new option which I am able to find in Lion. Can I convert an existing harddrive (external) to encrypt the whole drive instead of using other tools ?
0
votes
1answer
96 views

Goodreads data protection clarification

I'm using the Goodreads iPad app. I have data protection set in the iPads general settings and passcode required to unlock. I also have a passcode to open Goodreads. My understanding is that when the ...
2
votes
3answers
2k views

If I encrypt a Time Machine backup disk, is the entire disk encrypted or just the Backups.backupdb directory?

If I check the "Encrypt backup disk" checkbox in Time Machine (in OS X Lion), I get this warning: Will just the Time Machine "Backups.backupdb" directory be encrypted, or the entire disk? In other ...
5
votes
3answers
2k views

How do I encypt Time Machine with Mac OS X Lion?

I am thinking about upgrading to Mac OS X 10.7 Lion, because it offers full disk encryption. However, if I use Time Machine with on an external hard drive, will the Time Machine backups be encrypted ...
3
votes
2answers
333 views

How to create an encrypted volume on an external drive or flash drive

How do you encrypt an external hard/flash drive connected to my Mac in Lion 10.7? Preferable something with a strong encryption as FileVault.
10
votes
2answers
8k views

Is File Vault 2 whole disk encryption or whole partition encryption?

Can I use File Vault to encrypt only some of the partitions on my disk (so that I can still have unencrypted and Windows partitions on the same disk), or does File Vault encrypt the whole disk so that ...
6
votes
3answers
3k views

Speed of old Filevault vs. new Lion full disk encryption

How do the old Filevault and the new Lion full disk encryption compare speed wise? ATM I am using Snow Leppard with FileVault to encrypt my whole home directory, which makes opening IPhoto, Chrome or ...
10
votes
2answers
3k views

What are the implications in speed and battery life while using Filevault 2?

One of the neat new (though understated) features of Lion is Whole Disk Encryption. Before I flick the switch, I'd love to know what the performance impacts (speed and battery impacts) of switching ...
1
vote
6answers
3k views

How can I encrypt photos on an iPhone 3GS/4?

How can I encrypt photo files on my iPhone 3GS or iPhone 4 with a password and without any quality loss? Is there an app for that?
5
votes
2answers
658 views

Zip Utility with encryption option

Is there any good zip application for Mac OS X similar to 7-Zip (Windows only) which is free, compatible with many formats, and offers encryption options?
6
votes
5answers
6k views

Can I use FileVault only for specific folders?

Can I set up FileVault to encrypt only specific folders inside of my Home folder but not the whole Home folder? I want to do this because it's not very convenient for me to encrypt the entire Home ...
3
votes
2answers
769 views

iPhone 4 email encryption

I have a nice new iPhone 4. I can use it for my work calendar, but not my work email. The reason why is because I work for a medical company and email is very protected. I have heard that the ...
7
votes
6answers
672 views

Simple encryption software for the Mac

I am looking for an application which would allow me to encrypt either a file or a folder. Something like right click on a file/folder, select Encrypt, give it a password and ready. Of course, it ...
6
votes
2answers
2k views

How to make an expanding compressed encrypted disk image?

I'd like the following setup: A DMG file sits on my HD, taking up only the space of the contents, or perhaps only the space of the contents compressed. If I double-click on it, I need to give a ...
5
votes
5answers
4k views

What are my options for full system (or at least home directory) encryption?

I own a MacBook Pro, which is obviously a Laptop, so I want to protect myself in case it ever gets stolen. On Windows I can use TrueCrypt to do a full system encryption, but would that also be a ...
5
votes
2answers
2k views

How can I get Time Machine to back up the contents of a File Vault while logged in?

Disclaimer: this question and answer are targeted to the Snow Leopard implementation of FileVault where the user home folder is only encrypted in a bundle. Lion's implementation of FileVault doesn't ...