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.
[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, with Windows API functions.
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