- Provide a mechanism to express in a machine readable form:
signer believes statement about resource
- Build on existing technologies
- Assertions: PICS 1.1 / RDF
- Signatures: PKCS 7 (etc.), PGP, DSS
- Certificates: X.509, SDSI 2.0, PGP
DSig adds Assertions and automatability
signer believes statement about object
Statement is machine readable (PICS/RDF syntax)
- DSig 1.0 is a working draft
Spec available to members now
Freeware implementation about to complete
- DSig 2.0 is about to launch
Likely to be very rapid
Expect rapid commercial adoption
Plug-and-play will allow incremental adoption