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What is TPM certificate?
TPM (Trusted Platform Module) is a computer chip (microcontroller) that can securely store artifacts used to authenticate the platform (your PC or laptop). These artifacts can include passwords, certificates, or encryption keys.
How do I update TPM?
Go to Start > Settings > Update & Security > Windows Security > Device security . Under Security processor, select Security processor details. Select Security processor troubleshooting, and then under Clear TPM, select Clear TPM. You’ll need to restart your device to complete the process.
Can you use TPM key attestation on standalone CA?
TPM key attestation is not supported for a standalone CA. TPM key attestation does not support non-persistent certificate processing. To configure the certificate template for TPM key attestation, do the following configuration steps: Ensure Windows Server 2012 R2 is selected for the Certification Authority.
What are the OID’s for TPM protected certificates?
Depending on how the key is being protected, the CA can also insert Issuance Policy OID’s into a certificate based on what attestation method was used. User Credentials: (Low Assurance) Issuance Policy/Certificate Policy OID: 1.3.6.1.4.1.311.21.32 – The user provides an EKPub to the enterprise CA.
Do you need a root certificate for TPM endorsement?
Endorsement certificate: The EKCert of the device must validate through administrator-managed TPM intermediate CA certificates to an administrator-managed root CA certificate. If you choose this option, you must set up EKCA and EKRoot certificate stores on the issuing CA as described in the CA configuration section in this topic.
How to do TPM key attestation in PowerShell?
Use Windows PowerShell to create two new certificate stores on the certification authority (CA) server that will perform TPM key attestation. Obtain the intermediate and root CA certificate (s) from manufacturer (s) that you want to allow in your enterprise environment.