The U-Prove Crypto SDK V1.1 (C# Edition) implements the U-Prove Cryptographic Specification V1.1 Revision 3 [UPCS]. This SDK was developed by Microsoft to support experimentation with the foundational features of the U-Prove technology. It is made available under the Apache 2.0 open-source license, with patent rights granted under the Open Specification Promise.

For more information about U-Prove, visit http://www.microsoft.com/u-prove.

• LICENSE: The license and patent grant under which this package is distributed
• docs: documentation and test vectors
• ThirdParty: Bouncy Castle library files
• UProveCrypto.sln: Visual Studio solution file
• UProveCrypto: SDK project
• UProveParams: Recommended parameters generation project (not included in solution by default)
• UProveSample: Sample project
• UProveTestVectors: Test vectors generation project (not included in solution by default)
• UProveUnitTest: Unit test project

Open the solution file (UProveCrypto.sln) in Visual Studio 2012 (or a more recent version) and select "Build Solution" from the "Build" menu.

Recommended parameters [UPRP] and test vectors [UPTV] used by the U-Prove SDK can be re-generated for validation purposes by loading and running the UProveParams and UProveTestVectors projects, respectively. The projects depend on the full BouncyCastle library, and are therefore not included in the UProveCrypto.sln file by default. BouncyCastle must be obtained from http://www.bouncycastle.org/csharp/, the compiled DLL must be placed under "ThirdParty\BouncyCastle\bc\BouncyCastle.dll", and the two projects must be added to the solution before compiling it.

In the "Test" menu of Visual Studio, select the "All Tests" from the "Run" submenu item. Note that a complete test run takes some time to complete.

Add the UProveCrypto assembly to the set of References for a project.

This code was formerly hosted on CodePlex (https://uprovecsharp.codeplex.com). The following changes have been made to the original code:

• The solution has been updated to Visual Studio 2017.
• The Bouncy Castle patch (https://uprovecsharp.codeplex.com/SourceControl/list/patches) has been applied, improving efficiency of math operations.

[UPCS] Christian Paquin, Greg Zaverucha. U-Prove Cryptographic Specification V1.1. Microsoft Corporation, December 2013. http://www.microsoft.com/u-prove. "docs/U-Prove Cryptographic Specification V1.1 Revision 3.pdf"

[UPTV] U-Prove Cryptographic Test Vectors V1.1 (Revision 3) http://research.microsoft.com/apps/pubs/default.aspx?id=166983 docs/testvectors

[UPRP] U-Prove Recommended Parameters Profile V1.1 (Revision 2) http://research.microsoft.com/apps/pubs/default.aspx?id=166972 "docs/U-Prove Recommended Parameters Profile V1.1 Revision 2.pdf"