
authentication that were similar to its ESS chip. In IBM’s view, the trusted
authentication problem required an open source solution; an investment
in this technology offered potentially greater returns than those it could
earn by retaining proprietary control. IBM was able to build on its leader-
ship in the Trusted Computing Platform Alliance (TCPA), and later in the
Tr usted Computing Group, to develop an ESS based on industry standards.
Promoting Open Standards
The TCPA was established in 1999 by IBM, Microsoft Corporation, Intel
Corporation, Compaq, and Hewlett-Packard. The purpose of the alliance
was to develop industry-wide standards for a trusted ...