Security Abbreviations

AES		Advanced Encryption Standard. The AES Algorithm is a shared (secret)-key encryption algorithm
AK		Authorisation Key (PKMv1 and PKMv2)
CA		Certification Authority
CBC		Cipher Block Chaining mode. An AES mode
CCM		Counter with CBC-MAC (CBC: Cipher Block Chaining mode). AES CCM is an authenticate-and-encrypt block cipher mode used in IEEE 802.16 for data encryption
CMAC		Cipher-based Message Authentication Code
CMAC_KEY_D		CMAC KEY for the Downlink. Used for authenticating messages in the downlink direction
CMAC_KEY_U		CMAC KEY for the Uplink. Used for authenticating messages in the uplink direction
DES		Data Encryption Standard. Shared (secret)-key encryption algorithm
EAP		Extensible Authentication Protocol. Mutual authentification protocol framework
EIK		EAP Integrity Key
GKEK		Group Key Encryption Key (PKMv2)
GTEK		Group Traffic Encryption Key (PKMv2)
HMAC		Hashed Message Authentication Code
HMAC_KEY_D		HMAC Key for the Downlink. Used for authenticating messages in the downlink direction
HMAC_KEY_S		HMAC Key in the Mesh mode
HMAC_KEY_U		HMAC Key for the Uplink. Used for authenticating messages in the uplink direction
KEK		Key Encryption Key (PKMv1 and PKMv2)
MAK		MBS Authorisation Key (PKMv2)
MGTEK		MBS Group Traffic Encryption Key (PKMv2)
MTK		MBS Traffic Key (PKMv2)
PAK		Primary Authorisation Key (PKMv2)
PKM		Privacy Key Management protocol
PMK		Pairwise Master Key (PKMv2)
PN		Packet Number
RSA		Rivest Shamir Adleman. Public key encryption algorithm used to encrypt some MAC management security messages, using the SS public key
SA		Security Association. Set of security information agreed between a BS and one or more of its client SSs (methods for data encryption, data authentication, keys exchange, etc.)
SAID		Security Association IDentifier. A 16-bit identifier shared between the BS and the SS that uniquely identifies a security association
SHA		Secure Hash algorithm
TEK		Traffic Encryption Key (PKMv1 and PKMv2)