Difference between pages "File Vault" and "Talk:Write Blockers"

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(How are they more valuable than mount -o ro?)
 
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File Vault is the cryptographic file system developed by [http://www.apple.com Apple] and introduced with MacOS 10.3.
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== How are they more valuable than mount -o ro? ==
  
File Vault works by storing each user's home directory in an encrypted ".sparseimage" file. The file is automatically mounted when the user logs in and unmounted when the user logs out. All of the user's files and preferences are stored in this fileThe file's encryption key is stored in the .sparseimage file, but that encryption key is itself encrypted with the user's login password.
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To add value, wouldn't a write-blocker need to be infallible, then *proven* to be infallible? (That is, proven to be as such, within the margin demonstrated by proving compliance with RTCA/DO-178B using Criticality Level 1)[[User:John Crout|johnc]] 17:49, 28 December 2011 (PST)
 
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There are no known attacks against File Vault other than a brute force attack on the user's password.
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Revision as of 21:49, 28 December 2011

How are they more valuable than mount -o ro?

To add value, wouldn't a write-blocker need to be infallible, then *proven* to be infallible? (That is, proven to be as such, within the margin demonstrated by proving compliance with RTCA/DO-178B using Criticality Level 1). johnc 17:49, 28 December 2011 (PST)