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Sierra
Type 1 cryptographic engine - this page is a stub

Sierra is a highly-integrated embeddable cryptographic engine with NSA Type 1 cryptographic algorithms, implemented in a single chip, introduced around 1998 by Harris Corporation (now: L3Harris) in Rochester (NY,USA). Unlike the contemporary Citadel chip – which is a non-Type 1 device – Sierra is used in US military products. It was succeeded in 2004 by the Sierra II chip.


Type 1 algorithms
  • WALBURN
  • GOODSPEED
  • ACCORDION
  • FIREFLY
  • JOSEKI Decrypt
Further information
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Crypto Museum. Created: Saturday 09 November 2019. Last changed: Saturday, 09 November 2019 - 12:53 CET.
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