Support for Azure Storage encryption is at the preview stage. Azure Disk Encryption for Windows and Linux virtual machines isn't available yet.

key_vault_key_id The Key Vault Key ID used for encryption. string n/a yes key_vault_resource_id The resource ID of the Key Vault to associate with the disk encryption set. string n/a yes location ...

Data Security Is Critical Azure Backup doesn’t encrypt data during backup, so if you require data stored in the vault to be encrypted, you will want to encrypt the VM with Azure Disk Encryption using ...