Re: [pkcs11] Proposal: CKM_AES_XTS

[Michael StJohns <msj@nthpermutation.com>]

I don't have a problem with this proposal in general, but the reference list needs to be cleaned up.  There are 3 different versions of CTS in NIST SP800-38E  and I don't have the IEEE standard so I can't tell what's different there.  And I'm pretty sure the NIST document doesn't mention XEX...  so maybe delete the NIST reference and cite the specific section in IEEE 1619 that applies?

Mike


On 7/31/2013 4:55 PM, Oscar K So Jr. wrote:

Proposal: CKM_AES_XTS

This is an encryption/decryption mechanism with a CK_AES key.

AES using XTS, Ciphertext Stealing Mode. IEEE P1619 standard.
It's a non-expanding cipher, meaning the length of the ciphertext is the same as the plaintext,
and the ciphertext is also a MAC.

Reference:
http://en.wikipedia.org/wiki/IEEE_P1619

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