Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2003-01-28
2008-03-04
Smithers, Matthew B (Department: 2137)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S176000
Reexamination Certificate
active
07340611
ABSTRACT:
An XML digital signature standard is applied to an XML document to sign it. The XML digital signature is an XML fragment with a specified schema that includes (a) data to describe how the signature should be calculated (e.g., digest methods, filters, and data sources) and (b) actual signature data (e.g., digests and signature values). The data describing how the signature should be calculated (i.e., the “group (a)” data) is placed inside an XML digital signature template, which is then used (e.g., by an API (application programming interface)) to create the actual digital signature containing the “group (b)” data.
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Alev Umut
Denny-Brown Derek E.
Ioffe Ilia G.
Musayev Eldar A.
Microsoft Corporation
Smithers Matthew B
Woodcock & Washburn LLP
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