Lennart Poettering
b6553329c0
This is supposed to be useful when generating credentials for immutable initrd environments, where it is is relevant to support credentials even on systems lacking a TPM2 chip. With this, if `systemd-creds encrypt --with-key=auto-initrd` is used a credential will be encrypted/signed with the TPM2 if it is available and recognized by the firmware. Otherwise it will be encrypted/signed with the fixed empty key, thus providing no confidentiality or authenticity. The idea is that distributions use this mode to generically create credentials that are as locked down as possible on the specific platform.
System and Service Manager
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