Editing National Security Agency (section)

=== Clipper chip ===
{{Main|Clipper chip}}
Because of concerns that widespread use of strong cryptography would hamper government use of [[Telephone tapping|wiretaps]], the NSA proposed the concept of [[key escrow]] in 1993 and introduced the Clipper chip that would offer stronger protection than DES but would allow access to encrypted data by authorized law enforcement officials.<ref>{{cite magazine|author=Baker, Stewart A.|title=Don't Worry Be Happy|url=https://www.wired.com/wired/archive/2.06/nsa.clipper_pr.html|magazine=Wired|volume=2|issue=6|access-date=June 28, 2013|archive-date=October 11, 2008|archive-url=https://web.archive.org/web/20081011095737/http://www.wired.com/wired/archive/2.06/nsa.clipper_pr.html|url-status=live}}</ref> The proposal was strongly opposed and key escrow requirements ultimately went nowhere.<ref>{{cite web|title=Key Escrow, Key Recovery, Trusted Third Parties & Govt. Access to Keys |url=http://w2.eff.org/Privacy/Key_escrow/|publisher=Electronic Frontier Foundation|access-date=June 28, 2013 |url-status=dead |archive-url=https://web.archive.org/web/20120429112956/http://w2.eff.org/Privacy/Key_escrow/|archive-date=April 29, 2012}}</ref> However, NSA's [[Fortezza]] hardware-based encryption cards, created for the Clipper project, are still used within government, and NSA ultimately declassified and published the design of the [[Skipjack (cipher)|Skipjack cipher]] used on the cards.<ref>{{cite web|author=Schneier, Bruce|title=Declassifying Skipjack|url=http://www.schneier.com/crypto-gram-9807.html#skip|publisher=Crypto-Gram (schneier.com)|date=July 15, 1998|access-date=June 28, 2013|archive-date=June 23, 2013|archive-url=https://web.archive.org/web/20130623200937/http://www.schneier.com/crypto-gram-9807.html#skip|url-status=live}}</ref><ref>{{cite web|title=SKIPJACK and KEA Algorithm Specifications|date=May 29, 1998|url=http://csrc.nist.gov/groups/ST/toolkit/documents/skipjack/skipjack.pdf|publisher=National Institute of Standards and Technology|access-date=June 28, 2013|archive-url=https://web.archive.org/web/20111021070535/http://csrc.nist.gov/groups/ST/toolkit/documents/skipjack/skipjack.pdf|archive-date=2011-10-21|url-status=dead}}</ref>