Normalizes a secret | secret[] config value (adapters accept several
secrets at once so a rotation needs no cutover) into the non-empty list to
verify against. Empty/undefined entries are dropped — an empty-string HMAC
key must never take part in signature verification.
Normalizes a
secret | secret[]config value (adapters accept several secrets at once so a rotation needs no cutover) into the non-empty list to verify against. Empty/undefined entries are dropped — an empty-string HMAC key must never take part in signature verification.