[WIP] [knx] Add support for using hardware TPM modules #15326
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Add TpmInterface, a class built on top of Tss.Java. This lib is to be included in a special way due to inconsistencies in package creation which makes it incompatible to OSGI. Signed-off-by: Holger Friedrich <[email protected]>
Signed-off-by: Holger Friedrich <[email protected]>
Signed-off-by: Holger Friedrich <[email protected]>
Signed-off-by: Holger Friedrich <[email protected]>
Signed-off-by: Holger Friedrich <[email protected]>
Signed-off-by: Holger Friedrich <[email protected]>
Signed-off-by: Holger Friedrich <[email protected]>
Signed-off-by: Holger Friedrich <[email protected]>
Signed-off-by: Holger Friedrich <[email protected]>
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This as an attempt to store passwords for KNX secure protected by a TPM module.
The password is stored encrypted and can only be decrypted with this specific TPM.
The proof of concept was done on a Rapsberry PI with a LetsTrust TPM module on top.
knx tpm-infoandknx tpm-encrypt <password>. Output to be used instead of the password. Use space in front on the knx to avoid you password to be stored to console history.Disclaimer: Use at you own risk.
Disclaimer: Storing encrypted passwords does not bring perfect security for the password - anyone who can access your machine can use the TPM as well to decode, RPI is not a secure system, Java is not secure at all. But it is nice that you do not need to worry about disclosing you password in backups or screenshots :-)