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Jun 05 2024, 07:30 AM - 11:30 AM (PDT)
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Same RSA certificate in local store and smart card

Copper Contributor


On Windows 10 I noticed this strange behavior with certificate management: an RSA certificate, and the relative private key, is locally stored in the machine. If the private key is copied and imported in a smart card, the certificate in the local store is overwritten and marked as "smart card certificate".


When a certificate is locally available this is the selector:


When I connect the smart card with the same certificate, the selector change:


And now the local certificate became inaccesible, even if the smart card is disconnected.


Is this behavior by desing? Preventing the private key from being locally accessible if it is present on smart card?


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