November MSDN Magazine feature on OPC Digital Signature UX

This month’s issue of MSDN Magazine (November 2009) includes our article on designing effective digital signature user experiences – check it out at: Digital Signatures: Application Guidelines on Digital Signature Practices for Common Criteria Security http://msdn.microsoft.com/en-us/magazine/dd890995.aspx  The article focuses on user experience (UX) considerations to make electronic signatures as easy to use and understand as…

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Introduction to Windows 7 Packaging Digital Signature APIs – Pointers to learning resources

Chapter 12 of the Open Packaging Conventions (OPC) standard (ECMA 376-2 1st edition, 2006) defines the functionality and operation of “digital signatures” for signing content stored in OPC-based file formats.  Windows 7 incorporates built-in native-code support for accessing OPC-based files along with support to both signing and validating stored content using digital signatures.  This blog…

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Comparing the OPC managed-code and native-code Part URI helper APIs

Windows 7 includes new native-code APIs that provide functionality to compose and parse Part URIs. These APIs are provided through the IOpcUri and IOpcPartUri interfaces. Managed-code provides similar functionality with the System.IO.Packaging PackUriHelper class. A difference between the two API sets is that while the managed-code PackUriHelper APIs support both Pack URIs and Part URIs…

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Comparing the OPC Managed-Code and Native-Code APIs

Windows 7 incorporates a new set of native-code APIs that provide integrated support for the ECMA 376-2 (2006) Open Packaging Conventions (OPC) standard.  These new native-code Packaging APIs provide similar functionality to what had previously been available in .NET managed-code through the System.IO.Packaging APIs. This article highlights programming differences between the native-code and managed-code APIs,…

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Adventures in Packaging – Episode 1

Technorati Tags: OPC,OPC basics,Open Packaging Conventions,ISO 29500,ECMA 376 If you’re developer who creates or accesses data files (and who doesn’t?), then this blog might be one for you to keep an eye on. Welcome to the first installment of Microsoft Packaging Team blog! The Packaging team works in the Microsoft Windows Division to provide programming…

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