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| COSEKey?  | KeyAgreement [get, set] | 
|   | Platform's key agreement public key. Optional parameter (CTAP2 key: 0x03). Required for subcommands that establish shared secrets (e.g., setPIN, changePIN).  
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| byte?[]  | NewPinEnc [get, set] | 
|   | Encrypted new PIN value. Optional parameter (CTAP2 key: 0x05). Required for setPIN and changePIN subcommands. AES256-CBC encrypted with shared secret.  
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| byte?  | Permissions [get, set] | 
|   | Permissions for PIN token usage (CTAP2.1+). Optional parameter (CTAP2 key: 0x09). Bit flags indicating allowed operations (0x01=MakeCredential, 0x02=GetAssertion, 0x04=CredentialManagement, 0x08=BioEnrolment, 0x10=LargeBlobWrite, 0x20=AuthenticatorConfig). Flags Enum CrescendoDLL.PCSC.PinUvAuthTokenPermissions can be used for the permission definition."/>  
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| byte?[]  | PinHashEnc [get, set] | 
|   | Encrypted PIN hash. Optional parameter (CTAP2 key: 0x06). Required for getPinToken and changePIN subcommands. AES256-CBC encrypted with shared secret.  
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| byte?[]  | PinUvAuthParam [get, set] | 
|   | Authentication signature for the request. Optional parameter (CTAP2 key: 0x04). HMAC-SHA256 of request data using shared secret for PIN protocol version 1.  
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| uint  | PinUVAuthProtocol [get, set] | 
|   | PIN protocol version selected by the platform. Required parameter (CTAP2 canonical CBOR encoding key: 0x01).  
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| string?  | RpId [get, set] | 
|   | Relying Party ID for permission scoping (CTAP2.1+). Optional parameter (CTAP2 key: 0x0A). Limits PIN token usage to specific RP when using permissions.  
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| byte  | SubCommand [get, set] | 
|   | Subcommand for PIN operations. Required parameter (CTAP2 key: 0x02). Valid values from CrescendoDLL.PCSC.AuthenticatorClientPINSubCommand enum: getPinToken, setPIN, changePIN, etc.  
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Represents parameters for the FIDO CTAP2 authenticatorClientPIN command.