Re: [Fed-Talk] Lion File Vault encryption
Re: [Fed-Talk] Lion File Vault encryption
- Subject: Re: [Fed-Talk] Lion File Vault encryption
- From: "Miller, Timothy J." <email@hidden>
- Date: Thu, 07 Jul 2011 15:54:17 -0400
- Acceptlanguage: en-US
- Thread-topic: [Fed-Talk] Lion File Vault encryption
On Jul 7, 2011, at 11:33 AM, Blumenthal, Uri - 0668 - MITLL wrote:
> AES-128 has not been broken, and is still approved to protect Classified information up to SECRET. If you crack it - don't forget to let NSA know. :)
>
> AES-256 is still approved to protect up to TOP SECRET (there were some attacks against AES-256, but they are not practical in any sense).
Lest someone do something stupid, let me repeat myself: any *implementation* of a cryptographic module used to protect data classified at SECRET or higher must be approved by the NSA. An algorithm may be *acceptable*, but that's not the same as *approved.* Only implementations are approved.
A fine point, but an important one.
-- T
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