![]() ![]() The same functionality exists in virtual smart cards. You can use the private keys for email encryption and decryption. Physical smart cards are designed to hold private keys. You can use the virtual smart cards as if they were installed by using the remote devices' TPM, extending your privileges to the remote device, while maintaining the principles of two-factor authentication. ![]() However, you can access the virtual smart cards on the connecting device (which is under your physical control), which are loaded onto the remote device. When you connect to a device that is hosting virtual smart cards, you can't use the virtual smart cards located on the remote device during the remote session. The concept of two-factor authentication associated with virtual smart cards relies on the proximity of users to the devices that they use to access domain. Virtual smart card redirection for remote desktop connections This adheres to the principles of two-factor authentication because the certificate is only accessible from the computer that hosts the virtual smart card, and the user is required to enter the PIN for initial access to the card. ![]() Similar to domain access with a virtual smart card, an authentication certificate can be provisioned for the virtual smart card, provided to a remote service, as requested in the client authentication process. Virtual smart cards can also be used for client authentication by using TLS/SSL or a similar technology. Because this request couldn't have possibly originated from a system other than the system certified by the domain for this user's access, and the user couldn't have initiated the request without knowing the PIN, a strong two-factor authentication is established. Using the virtual smart card to access the system proves to the domain that the user who is requesting authentication has possession of the personal computer upon which the card has been provisioned and knows the virtual smart card PIN. In practice, this is as easy as entering a password to access the system. When the proper certificate is provisioned to the virtual card, the user need only provide the PIN for the virtual smart card, as if it was a physical smart card, to sign in to the domain. Two-factor authentication‒based remote accessĪfter a user has a fully functional TPM virtual smart card, provisioned with a sign-in certificate, the certificate is used to gain authenticated access to corporate resources. You can deploy virtual smart cards by using in-house methods or a purchased solution, and they can be a replacement for other methods of strong authentication in a corporate setting of any scale. Virtual smart cards can be used for authentication to external resources, protection of data by encryption, and integrity through signing. Virtual smart cards are functionally similar to physical smart cards, appearing in Windows as smart cards that are always-inserted. You create virtual smart cards in the TPM, where the keys used for authentication are stored in cryptographically-secured hardware.īy utilizing TPM devices that provide the same cryptographic capabilities as physical smart cards, virtual smart cards accomplish the three key properties that are desired for smart cards: non-exportability, isolated cryptography, and anti-hammering. Virtual smart cards don't require the use of a separate physical smart card and reader. Virtual smart cards emulate the functionality of physical smart cards, but they use the Trusted Platform Module (TPM) chip that is available on devices. Virtual smart card technology offers comparable security benefits to physical smart cards by using two-factor authentication. This article provides an overview of the virtual smart card technology. We recommend that new Windows deployments use Windows Hello for Business. Microsoft will publish the deprecation date to ensure customers have adequate lead time to move to Windows Hello for Business. Customers using virtual smart cards are strongly encouraged to move to Windows Hello for Business. Microsoft will deprecate virtual smart cards in the near future. Windows Hello for Business is the modern, two-factor authentication for Windows. ![]()
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