multiple subkeys and key transition
Robert J. Hansen
rjh at sixdemonbag.org
Fri Dec 10 03:40:47 CET 2010
On 12/9/2010 8:48 PM, John Clizbe wrote:
> Most details of Suite-B for information above SECRET are classified, IIRC.
Suite A is still classified. Suite B is pretty thoroughly documented. :)
From http://www.nsa.gov/ia/programs/suiteb_cryptography/ :
"AES with 256-bit keys, Elliptic Curve Public Key Cryptography using the
384-bit prime modulus elliptic curve as specified in FIPS PUB 186-3 and
SHA-384 are required to protect classified information at the TOP SECRET
... TS/SCI, which is usually thought of as "above TS", is really just TS
with some additional conditions and qualifiers on it -- so Suite B is
usable with TS/SCI material.
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