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S.W. Smith.
``Outbound Authentication for Programmable Secure Coprocessors.''
Computer Security---ESORICS 2002.
Springer-Verlag LNCS 2502. Pp. 72-89. October 2002.
Abstract
A programmable secure coprocessor platform can help solve many
security problems in distributed computing. However, these solutions
usually require that coprocessor applications be able to participate
as full-fledged parties in distributed cryptographic protocols. Thus,
to fully enable these solutions, a generic platform must not only
provide programmability, maintenance, and configuration in the
hostile field-it must also provide outbound authentication for the
entities that result. A particular application on a particular
untampered device must be able to prove who it is to a party on the
other side of the Internet. This paper offers our experiences in
solving this problem for a high-end secure coprocessor product. This
work required synthesis of a number of techniques, so that parties
with different and dynamic views of trust can draw consistent and
complete conclusions about coprocessor applications. These issues may
be relevant to the industry's growing interest in rights management
for general desktop machines.
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