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16 lines
916 B
16 lines
916 B
#!/usr/bin/bash
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echo "Updating TPM Policy with current available PCRs"
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set +e
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tpm2_evictcontrol -c 0x81000000
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set -e
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tpm2_flushcontext -t
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tpm2_createprimary -C e -g sha256 -G ecc256 -c /root/keys/e-primary.context
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tpm2_createpolicy --policy-pcr -l sha256:0,1,2,3,4,5,6,7 -L /root/keys/pcr-policy.digest
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tpm2_create -g sha256 -u /root/keys/obj.pub -r /root/keys/obj.priv -C /root/keys/e-primary.context -L /root/keys/pcr-policy.digest -a "noda|adminwithpolicy|fixedparent|fixedtpm" -i /root/keys/fde-secret.bin
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tpm2_flushcontext -t
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tpm2_load -C /root/keys/e-primary.context -u /root/keys/obj.pub -r /root/keys/obj.priv -c /root/keys/load.context
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tpm2_evictcontrol -C o -c /root/keys/load.context 0x81000000
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# tpm2_unseal -c 0x81000000 -p pcr:sha1:0,1,2,3,4,5,6,7 -o /root/test.bin #proof that the persistence worked
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rm -f /root/keys/load.context /root/keys/obj.priv /root/keys/obj.pub /root/keys/pcr-policy.digest
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