|
ID
A
|
Identity of entity A
|
|
TS
|
Current time stamp
|
|
A → B {M}
|
Entity A sends message M to entity B
|
|
SIGN_ALG(M)
|
Use ALG to sign M
|
|
MSK
i
|
Master key of group i
|
|
PK
A
/SK
A
|
Entity A’s public/private key pair
|
|
ENCR_ALG_PK(M)
|
Use ALG to encrypt M with public key PK
|
|
A\({_{ALG\_.PK/SK}}\)
|
Entity A’s public/private key pair in ALG
|
|
CERT_A_WMN
i
|
A’s certificate at WMN group i
|
|
M 1∥ M2
|
Concatention of M1 and M2
|
|
Auth
A
|
Entity A’s warrant for proxy signature
|
|
K
A−B
|
Shared key between A and B
|
|
SE
K
(M)
|
Encrypt M with shared key K
|
