# Functions
GetSigningKey returns a new signing key to be used for verification.
InitializeVerificationDB links the vdb, HA and SigningKeys together.
IssueJWT generates a JWT as if it came from the authorized health authority.
# Structs
JWTConfig stores the config used to fetch a verification jwt certificate.
SigningKey holds a single signing key and the PEM public key.
StatsJWTConfig represents the configuration for an auth token to call the stats API.