Re: EFS certificate requirements



Change the hash in registry
HKCU\Software\Microsoft\WindowsNT\CurrentVersion\EFS\CurrentKeys\CertificateHash
to the hash of the certificate you want to use.

I think (but I'm not sure) that if multiple certificates with EKU EFS exists and the registry key is not set up the first one enumerated is used.

As for the requirements, it is not possible to use strong private key protection and the certificates cannot be stored on smart cards or usb tokens.

Regards

Martin

Mitch Gallant wrote:
Some questions on EFS:

(1) Is it possible to force use of a specific EFS CU certificate?
I know cipher /k creates a new EFS cert/keypair for the current user and uses that one from that point onwards,
but I want to create one with specific characteristics (for testing).

(2) I think that EFS will only recognize/use client certs that have the EKU:
Encrypting File System (1.3.6.1.4.1.311.10.3.4)
Are there any other requirements for the EFS certs (not the recovery one .. )

- Mitch


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Relevant Pages

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