CAPICOM is a discontinuedActiveX control created byMicrosoft to help expose a select set of MicrosoftCryptographic Application Programming Interface (CryptoAPI) functions through MicrosoftComponent 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 MicrosoftInternet Explorer or any other web browser that supports ActiveX.[1]
CAPICOM can be used to digitally sign data, display and inspect theirdigital certificate, verify the validity of theirdigital signature, add or remove certificates to or from the certificate stores, and encrypt or decrypt data.[1]
CAPICOM Version 2.1.0.3, the latest and last version of CAPICOM, is officially supported on Windows Vista.[2][3][4] 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, in a handful of cases, withWindows API functions.[5]
CAPICOM was not included inWindows SDK forWindows 7.[6]
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