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Subject: Re: [pkcs11] Proposal: CKM_AES_XTS
On 8/5/2013 1:15 PM, Michael StJohns
wrote:
*sigh* mis-read the reference. There are three versions of CTS in SP800-38*A* not 38E. 38E isn't actually a complete spec, it simply references the IEEE standard (but throws in a length limitations). OK - given that, instead note that the main standard is the IEEE one, and that the NIST version is the same as the IEEE version with the difference of changing a recommendation into a requirement (e.g. the length of the datablock to encrypt is 2^20 AES blocks max). I'd recommend you note one way or another whether the NIST requirements apply to the PKCS11 implementation so there's no ambiguity. Sorry for the confusion. Had CTS from 38A on the brain from discussions with Robert R earlier. Mike
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