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Title: Capicom  
Author: World Heritage Encyclopedia
Language: English
Subject: .NET Framework, Composite UI Application Block, Microsoft Messaging Passing Interface, Velocity (memory cache), Language Interface Pack
Publisher: World Heritage Encyclopedia


CAPICOM is a discontinued ActiveX control created by Microsoft to help expose a select set of Microsoft Cryptographic Application Programming Interface (CryptoAPI) functions through Microsoft Component Object Model (COM). It was intended to enable every environment that supports ActiveX to use Microsoft Cryptographic technologies, including web pages that are opened with Microsoft Internet Explorer or any other web browser that supports ActiveX.[1]

CAPICOM can be used to digitally sign data, inspect, verify and display their digital signature and/or digital certificate, add or remove certificates to or from the certificate stores, and finally, to encrypt or decrypt data.[1]

CAPICOM Version, the latest and last version of CAPICOM, is officially supported on Windows Vista.[2][3] However, Microsoft has announced that CAPICOM is discontinued and is no longer being developed. Microsoft suggests replacing CAPICOM with .NET Framework's X509 Cryptographic Classes and a number of other alternatives.[4]

CAPICOM was not included in Windows 7. The linked Microsoft article goes into detail. [5]


  1. ^ a b Lambert, John (March 2001). "Introducing CAPICOM".  
  2. ^ Magencio, Alejandro Campos (19 October 2007). "CAPICOM support on Windows Vista". Decrypt my World.  
  3. ^ "CAPICOM Versions". Microsoft Developer Network. Microsoft Corporation. 19 April 2011. Retrieved 22 April 2011. 
  4. ^ "Alternatives to CAPICOM (Windows)". Microsoft Developer Network. Microsoft Corporation. 19 April 2011. Retrieved 22 April 2011. 
  5. ^ "CAPICOM not in Windows 7". Microsoft Developer Network. Microsoft Corporation. 18 January 2009. Retrieved 13 November 2014. 
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