NSA Suite A Cryptography

NSA Suite A Cryptography is NSA cryptography which "contains classified algorithms that will not be released". "Suite A will be used for the protection of some categories of especially sensitive information (a small percentage of the overall national security-related information assurance market)."

Incomplete list of Suite A algorithms

Name	Type	Purpose
ACCORDION[1]	Encryption	Key encryption. In NGLD-M (circa 2019):[2] 1.3 is used for TrKEK (transfer key encryption key) and internal key wrap 3.0 internal key wrap and KMI Black key wrap
BATON[1]	Block cipher	See article
CDL 1, CDL 2	?	?
FFC	?	?
FIREFLY and Enhanced FIREFLY[1]	Key exchange	?
JOSEKI	?	?
KEESEE[1]	?	?
KM-TG Series	Signature	In NGLD-M: Security-related software[2]
MAYFLY	?	?
MEDLEY[1]	Symmetric encryption[2]	In NGLD-M: Data at Rest (DAR) and non-crypto software[2]
MERCATOR	?	?
SAVILLE	Encryption (1960s)	Voice and data over radio, see article
SHILLELAGH[1]	?	?
SILVER LINING	Signature	In NGLD-M: Security-related software[2]
SPONDULIX-S	Key Agreement	In NGLD-M: KMI[2]
WALBURN	?	?
WATARI	Encryption	In NGLD-M: Security-related software[2]
WEASEL	?	?

See also

• Commercial National Security Algorithm Suite
• NSA Suite B Cryptography