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Announcing Microsoft’s U-Prove Community Technical Preview (CTP)

10 minutes, 24 seconds


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In basic terms, minimal disclosure is a solution that discloses the least amount of identifying information while best limiting and constraining the use of identity-related information. In this episode of the IdElement, Dr. Stefan Brands, Principal Architect, shares the details of the highly anticipated U-Prove CTP, including availability of JAVA and C# toolkits and cryptographic specification.  He also describes some edgy identity and security scenarios that the cryptographic protocols can enable with Windows CardSpace, Windows Identity Foundation, and Active Directory Federation Services.


  • Get the CTP here
  • Get the C# edition
  • Get the Java edition
  • Video: U-Prove CTP - A Developer's Perspective
  • Video: Deep Dive Into U-Prove Cryptographic Protocols


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    • JamesArneis Mu

      This looks excellent! Look forward to taking this for a spin. Smiley

    • An e-commerce transaction is not completed until the actual merchandise has been shipped. However to get the goods to be shipped people are forced to disclose their real addresses to online venders. Here’s my two cents – an anonymous shipping system. Basically a user will pick one trusted carrier such as UPS and get a token that represents her address. Then when she’s purchasing online, she’ll give the token to the vender instead of a real shipping address. The vender can call to UPS service to validate the token and get shipping cost estimation (or the token can have zip code in it for cost estimation), but the vender never knows where the product is shipped to. The token can be static or dynamic – user can apply new tokens any time. I’m not sure if U-Prove consider the scenario like this?

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