RegisterPasswordProtectedKeyRequest

A key pair the client encrypted with a password of their own. The encrypted half has to come with
it - the client cannot sign later without it, and only the client can produce it.

{
    "kind": "passwordProtectedKey",
    "credentialId": "string",
    "clientData": "string",
    "attestationData": "string",
    "encryptedPrivateKey": "string"
}