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April 23, 20021 XKMS Requirements Update Frederick Hirsch, Mike Just April 23, 2002 Goals Requirements Summary –General, Security Last Call Issues –For.

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Presentation on theme: "April 23, 20021 XKMS Requirements Update Frederick Hirsch, Mike Just April 23, 2002 Goals Requirements Summary –General, Security Last Call Issues –For."— Presentation transcript:

1 April 23, XKMS Requirements Update Frederick Hirsch, Mike Just April 23, 2002 Goals Requirements Summary –General, Security Last Call Issues –For Discussion –(Potentially) Resolved –Clarifications

2 April 23, Goals Support XML security key management –Register, revoke, and update key bindings –Locate public keys –Validate key bindings Enable simple diverse clients by eliminating traditional client processing complexity

3 April 23, General Requirements Universal, usable, extensible: –XML with namespaces –SOAP with document literal encoding –Server (PKI) technology optionally transparent to client –Response values XML-schema typed Policy via URI Convey context with messages

4 April 23, Security Requirements –Trust services must support integrity and confidentiality via TLS and XML payload security. Mechanism such as VPN also allowed. –Responses must include request digest, URL –Registration authorization mechanisms –Proof of key possession –Specification must address issues of known- plaintext attacks and replay attacks.


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