Enable hex values to be used for tpm_ownerpassword #769
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THS-on
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Apr 9, 2024
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assigned Isaac-Matthews and unassigned maugustosilva, lukehinds and ansasaki
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ueno
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keylime-agent/src/main.rs
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| let auth = if tpm_ownerpassword.starts_with("hex:") { | ||
| let (_, hex_ownerpassword) = tpm_ownerpassword.split_at(4); | ||
| let decoded_ownerpassword = hex::decode(hex_ownerpassword) | ||
| .map_err(|_| { |
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Not sure if this manual conversion is required, as FromHex error is already defined.
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Thanks for the feedback, I have made both changes and merged into one commit. |
Signed-off-by: Isaac-Matthews <[email protected]>
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@THS-on Hi, could you please mark your request as solved? Otherwise I cannot merge this. |
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This fixes #760.
If a TPM has been set up with a non-string auth value, for example by running:
tpm2_changeauth -c E "hex:0000DF0237BE41C0E0124CAAD0A619B29B8E3EE4173521656729C6F339DBC449"the keylime agent is not currently compatible with the TPM as there is no way provide this value.
This fixes the issue, by checking for "hex:" at the start of the tpm password and using a hex password if it is found.