[2777] in cryptography@c2.net mail archive
Re: DRUDGE-REPORT-EXCLUSIVE 5/20/98 (fwd)
daemon@ATHENA.MIT.EDU (Albert P. Belle Isle)
Thu May 28 15:25:47 1998
Date: Thu, 28 May 1998 13:51:52 -0400
To: Tom Perrine <tep@SDSC.EDU>
From: "Albert P. Belle Isle" <belleisl@cerberus-sys.com>
Cc: cryptography@c2.net
In-Reply-To: <199805281644.JAA23413@galt>
At 09:44 AM 5/28/98 -0700, Tom Perrine wrote:
>>>>>> The moving finger of Cerberus Systems, Inc, having written:
>
> Cerberus> Apparently, the Consultative Committee for Space Data
Systems "greenbook"
> Cerberus> mandates no link encryption, in order to prevent
interferring with
> Cerberus> standardized lower level protocol layers, but also requires
encryption and
> Cerberus> authentication for command security.
>
>Some parts of the various START treaties also mandate no *telemetry*
>encryption for boosters, as a part of "verification". I guess that
>makes it harder to mis-represent the performance, range and "throw
>weight" of boosters since this information is critical to determining
>the "balance" calculation for step-down disarmament.
>
>I have no idea is this applies to "commercial" launches. Encrypting
>the telemetry would be a way to protect proprietary data on
>performance, but since boosters are almost certainly "dual use"
>technology, the START-ish treaties probably apply.
>
>--tep
>
>
>
Tom:
The people whom I mentioned related their RFP requirement as mandating only
authentication for telemetry data, with encryption optional, but requiring
both authentication and encryption for commands.
Regards,
Al
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Albert P. Belle Isle
Cerberus Systems, Inc.
Al's WinSock Tuning FAQ -
http://www.cerberus-sys.com/~belleisl/mtu_mss_rwin.html
Encryption Software that Windows=AE won't bypass -
http://www.cerberus-sys.com/~infosec/
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