Paradoxne v tych rozvinutejsich public cloudoch je toto celkom dobre poriesene vid. napr. https://azure.microsoft.com/en-us/services/key-vault/
https://cloud.google.com/kms/
https://aws.amazon.com/kms/
s FIPS 140-2 standardom.
Takze tam by sa o svoj “klucik” az tak strachovat nemuseli 