PKI-based AAIs 4/5

• For example, a distributed certificate management sys-tem (DCMS) was proposed and prototyped by the Swiss Federal Strategy Unit for Information Technology (FSUIT)

• The DCMS uses a DBMS to match public key certificates to group memberships (and to Ñsimulateì the functionality of ACs accordingly)

• The group membership information can be used to imple-ment role-based access controls

• The authentication part of the DCMS is similar in spirit and provides comparable services to VeriSign OnSite and the Swisskey Customer Branded CA service

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