Module sev::cached_chain

Utilities for adhering to a cached SEV chain convention.

The search path for the SEV chain is:

1. The path specified in the “SEV_CHAIN” environment variable (if present).
2. $HOME/.cache/amd-sev/chain
3. /var/cache/amd-sev/chain

An entire certificate chain can be created using the sevctl utility.

Functions

• env_var
  Returns the path stored in the optional SEV_CHAIN environment variable.
• get
  Searches for and decodes an SEV certificate chain.
• home
  Returns the “user-level” search path for the SEV certificate chain ($HOME/.cache/amd-sev/chain).
• path
  Returns the list of search paths in the order that they will be searched for the SEV certificate chain.
• sys
  Returns the “system-level” search path for the SEV certificate chain (/var/cache/amd-sev/chain).