WPKI Certificate Verification Scheme Based on Certificate Digest Signature-Online Certificate Status Protocol

Table 1

The format of wireless X.509 certificate.

	Generation	Process
Basic Field
Version
Serial number
Signature
Issuer
Validity
Subject
Subject public key info
Issuer unique identifier
Subject unique identifier
Extension field
Authority key identifier
Subject public identifier
Key Usage
Private key usage period
Certificate policy
Policy mapping	-	-
Subject alternative names
Issuer alternative names
Subject directory attributes
Basic constraints
Name constrains	-	-
Policy constrains	-	-
Extended key usage
CRL distribution points
Domain information
Authority information access

: mandatory; : optional; : not recommend; -: not defined.