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Thread: Optiga Endorsement Credential Certificate (tpm2_getmanufec URL)

  1. #1
    New Member New Member blaufish is on a distinguished road
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    Optiga Endorsement Credential Certificate (tpm2_getmanufec URL)

    Hi,

    TPM2 Tools demonstrates generating an Endorsement Credential Certificate using an endorsement public key and an ekcertservice URL;
    https://github.com/tpm2-software/tpm..._getmanufec.sh

    Is there a similar URL for Infineon Optiga URLs? Or how is the endorsement certificate generated for these TPMs?

    The following page appears to document the relevant CA's but not how to generate the EK certificate, as far as I can understand. https://www.infineon.com/cms/en/prod..._certificates/

  2. #2
    New Member New Member blaufish is on a distinguished road
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    Seems I resolved it;
    tpm2_nvread --index 0x1c00002 -a 0x40000001 -o 0 --tcti $(TPM_TCTI) > nvread.1c0002.cert
    tpm2_nvread --index 0x1c0000a -a 0x40000001 -o 0 --tcti $(TPM_TCTI) > nvread.1c000a.cert
    emits Infineon certificates with various TCG key extensions.

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