Organized by governmental sector (National Institute　of information )

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Presentation transcript:

What is needed on Grid PKI？ (Naregi: National Research grid Initiative in JAPAN) Organized by governmental sector (National Institute　of information ) Naregi PKI service Start this march (Currently) Single PKI domain architecture Issue certificates for Globus and Unicore separately. Initially based on GGF CP/CPS references　（GFD-C.16　June 1,2003 ) Issues Different policy but user requests “common one certificate” Globus and Unicore Different organization　（multiple PKI domain ) Different identification and authentication policy to issue the certificate Certificate Profile CA certificate Globus certificate Unicore Certificate

Unicore vs. Globus UNICORE (GFD.18 An Analysis of the UNICORE Security Model) authenticate users, UNICORE Gateways, the NJS (for distributing sub- sign jobs, and sign software Globus PKI is used for user authentication through proxy certs. PKI architecture UNICORE PKI is initially designed one PKI domain containing single CA and multiple RAs U-CA G-CA U&G U Cert U＆G G CA End Entity

Issue : Keyusage？ GGF Certificate Policy Model（June 1,2003) Applicability :　“to promote wide use of public key certificates in many different application” S/MIME, IPSec, SSL/TLS Key usage : must be critical (but what value is?) DOE　Grids　（December 15,2002） Applicability : Person certificate “signing of Globus proxy certificates” , ”may be used for other activities such as e-mail signing and encryption. Server certificate “ for TLS/SSL. Key Usage: “critical”, Digital signature, Non repudiation, Key Encipherment, Data Encipherment For purpose of UNICORE code-signing, why not use “extent-key-usage , code-signing” {id-kp,3} specified in RFC3280.

Issue: Certificate/CRL Profile? Need　the CP/CPS reference model Key usage as described CA certificate profile User cert for globus needs “another keyusage or policy” due to create proxy cert.

Issue : Multiple PKI domain? Currently Naregi has single PKI architecture In future, needs multi-domain PKI Which architecture is desirable? How interoperable between multi-PKI domain It is impossible to establish single CA Multi trust point for user ? Single trust point and cross certification? (Bridge or root) What is restrictions or conditions for interoperability?