Members of the OASIS international standards consortium have approved
the Biometric Identity Assurance Services (BIAS) SOAP Profile as an
OASIS Standard, a status that signifies the highest level of
ratification. The BIAS SOAP Profile defines a method for performing
biometric operations within a Services Oriented Architecture (SOA) using
XML and SOAP Web services messaging.
The BIAS SOAP Profile is a specific implementation (or binding) of ANSI
INCITS 442-2010. The INCITS standard defines the requirements for BIAS
operations and data elements which can be implemented using any encoding
scheme or messaging protocol, whereas the OASIS standard defines a
conformant implementation. These SOAP-based services enable a software
application (requester) to invoke biometric identity assurance
operations provided by a local or remote BIAS service provider
"Biometric systems are becoming more complex as they are integrated into
larger identity management and credentialing systems. They are
increasingly being used in large-scale systems built on an SOA,"
explained Kevin Mangold of the US NIST, co-chair of the OASIS BIAS
Integration Technical Committee. "In these environments, the BIAS SOAP
Profile makes it possible for data to be shared and resources and
services to be reused within and across organizations."
The BIAS SOAP Profile is publicly available at https://www.oasis-open.org/standards#biasv1.0.
In addition, the executable Web Services Definition Language (WSDL) and
ML schema files are available at the same location.
"We are excited to achieve the milestone of becoming an official OASIS
Standard," said Catherine Tilton of Daon, co-chair of the OASIS BIAS
Integration Technical Committee. "The BIAS SOAP Profile is much needed
for facilitating service-based communication between heterogeneous
biometric systems and subsystems. We look forward to BIAS being widely
adopted within a variety of applications."
To aid in the development of operational BIAS implementations, the US
NIST has developed a basic reference implementation of the OASIS BIAS
specification, implementing all of its major biometric capabilities
(i.e., enroll/verify/identify). The provided source contains a
cross-language solution comprising a standalone Web service (VB.NET) and
client (Adobe Flex). This implementation is freely available for
download at http://www.nist.gov/itl/iad/ig/upload/BIAS_20110916.zip.
BIAS is intended to be used in open systems alongside related standards
such as the Web services for Biometric Devices (WS-BD) from US NIST.
WS-BD handles the biometric capture device interface (front-end
functionality), while BIAS addresses the backend biometric services.
Participation in the OASIS BIAS Integration Technical Committee is open
to all interested parties. Archives of the Committees' work are
accessible to both members and non-members, and OASIS invites public
review and comment. Going forward, the Committee intends to broaden its
scope, potentially to include a BIAS REST Profile.
OASIS BIAS Integration Technical Committeehttp://www.oasis-open.org/committees/bias/
OASIS is a not-for-profit, international consortium that drives the
development, convergence and adoption of open standards for the global
information society. OASIS promotes industry consensus and produces
worldwide standards for identity, security, cloud computing, business
transactions, Smart Grid, content management, and other applications.
OASIS open standards offer the potential to lower cost, stimulate
innovation, grow global markets, and protect the right of free choice of
technology. OASIS members broadly represent the marketplace of public
and private sector technology leaders, users and influencers. The
consortium has more than 5,000 participants representing over 600
organizations and individual members in 100 countries: http://www.oasis-open.org.
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