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                Date: 2001-06-24
                 
                 
                NSA: Spionage gegen US-Buerger
                
                 
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      Dem unermüdlichen John Young ist es anscheinend gelungen,  
zum erstenmal ein Beweisstück dafür aufzutreiben, dass die NSA -  
nach US-Recht äusserst ungesetzlich - ihre eigenen Bürger  
ausspioniert. 
 
Wie alle Dokumente aus dem Core-Geheimdienstbereich ist es  
leicht angejahrt.   
 
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 via	ukcrypto@chiark.greenend.org.uk 
 
Debate on whether the NSA spies domestically on US persons  
appears to be "yes" according to USSID 18, dated July 23, 1993,  
which was obtained by the National Security Archive a while back,  
for which we offer an HTML: 
 
http://cryptome.org/nsa-ussid18.htm
                   
 
Parts previously redacted concerning domestic surveillance are  
now revealed, among them these provisions for acquiring and  
retaining indefinitely domestically acquired encipherments: 
 
[Quote] 
 
(2) Domestic communications reasonably believed to contain  
technical data base information may be retained for a period  
sufficient to allow a thorough exploitation and to permit access to  
data that are, or are reasonably believed likely to become, relevant  
to a current or future foreign intelligence requirement. Sufficient  
duration may vary with the nature of the exploitation.  (S-CCO) 
 
a. In the context of a cryptanalytic effort, maintenance of technical  
data bases requires retention of all communications that are  
enciphered or reasonably believed to contain secret meaning, and  
sufficient duration may consist of any period of time during which  
encrypted material is subject to, or of use in, cryptanalysis. (S- 
CCO) 
 
b. In the case of communications that are not enciphered or  
otherwise thought to contain secret meaning, sufficient duration is  
one year unless the Deputy Director for Operations, NSA,  
determines in writing that retention for a longer period is required to  
respond to authorized foreign intelligence or counterintelligence  
requirements. (S-CCO) 
 
[End quote] 
 
Again, these sections were censored in versions of USSID 18  
previously made public, a 1980 version here: 
 
http://cryptome.org/nsa-ussid18-80.htm
                   
 
While the quoted material is a small part of the 52-page document,  
variations on it are repeated more than once, and seems to be the  
one exception to the requirement to avoid domestic interceptions  
and to destroy any that are inadvertently acquired. 
 
The classification (S-CCO) is not explained but some think it  
perhaps indicates material limited to the UK/USA agreement  
and/or the Echelon partners. A better answer is welcomed. 
 
 
 
 
 
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edited by Harkank 
published on: 2001-06-24 
comments to office@quintessenz.at
                   
                  
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