Trusted Third Parties (3)

• There is little consensus on what a TTP is or does

  • in many cases what we see is TSP (nearly a truism)
  • in practice many entities will be what could be called TTPs without actually realising it

• Financial services TTPs are usually built around a specific business model e.g. Identrus, eTrust, TrustCenter

• The market for TTPs is clearly moving to authorisation/entitlements management

  • by using certificates or other mechanisms
  • issues of scalability

• Consortia will help with cross-certification issues

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