Difference between revisions 123927232 and 139891819 on dewiki

{{Importartikel}}

{{cleanup|date=December 2010}}
{{DISPLAYTITLE:_NSAKEY}}
'''_NSAKEY''' was a [[variable (computer science)|variable]] name discovered in [[Windows NT 4]] [[Windows NT 4.0#Service Packs|Service Pack]] 5 (which had been released unstripped of its [[Debug symbol|symbolic debugging]] data) in August 1999 by Andrew D. Fernandes of Cryptonym Corporation. That variable contained a 1024-bit [[public key]].

== Overview ==
(contracted; show full)r, when it released Service Pack 5 for [[Windows NT 4.0]] and Andrew Fernandes, chief scientist with Cryptonym found the primary key stored in the variable _KEY and the second key was labeled _NSAKEY.<ref>{{cite web |title=Microsoft, the NSA, and You |publisher=Cryptonym |date=1999-08-31 |url=http://www.cryptonym.com/hottopics/msft-nsa/msft-nsa.html  |accessdate=2007-01-07 |archiveurl = http://web.archive.org/web/20000617094917/http://www.cryptonym.com/hottopics/msft-nsa/msft-nsa.html |archivedate = 
17 June 20002000-06-17}} ([[Internet Archive]] / [[Internet Archive#Wayback Machine|Wayback Machine]])</ref>  Fernandes published his discovery, touching off a flurry of speculation and [[conspiracy theory|conspiracy theories]], including the possibility that the second key was owned by the United States [[National Security Agency]] (the NSA) and allowed the intelligence agency to subvert any Windows user's security.{{Citation needed|date=September 2011}}

(contracted; show full)7;s approval. Thus the NSA has effectively removed export control of "strong" crypto from Windows. A demonstration program that replaces the NSA key can be found on Cryptonym's website.<ref>{{cite web |title=Microsoft, the NSA, and You |publisher=Cryptonym |date=1999-08-31 |url=http://www.cryptonym.com/hottopics/msft-nsa/msft-nsa.html  |accessdate=2007-01-07 |archiveurl = http://web.archive.org/web/20001109204800/http://www.cryptonym.com/hottopics/msft-nsa/msft-nsa.html |archivedate = 
9 November 20002000-11-09}} ([[Internet Archive]] / [[Internet Archive#Wayback Machine|Wayback Machine]])</ref> </blockquote>

== CAPI Signature Public Keys as PGP Keys ==
In September 1999, an anonymous researcher reverse-engineered both the
primary key and the _NSAKEY into [[Pretty Good Privacy|PGP]]-compatible format and published them
(contracted; show full){{DEFAULTSORT:Nsakey}}
[[Category:Microsoft criticisms and controversies]]
[[Category:History of cryptography]]
[[Category:Conspiracy theories]]
[[Category:National Security Agency]]
[[Category:Microsoft Windows security technology]]
[[Category:Articles with underscores in the title]]
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