---
title: TKTokenAuthOperation
framework: cryptotokenkit
role: symbol
role_heading: Class
path: cryptotokenkit/tktokenauthoperation
---

# TKTokenAuthOperation

An authentication operation for a cryptographic token.

## Declaration

```swift
class TKTokenAuthOperation
```

## Overview

Overview The CryptoTokenKit framework provides the following concrete subclasses: TKTokenPasswordAuthOperation, for password-based authentication, and TKTokenSmartCardPINAuthOperation for Smart Card PIN-based authentication.

## Topics

### Finishing the Operation

- [finish()](cryptotokenkit/tktokenauthoperation/finish().md)

### Initializers

- [init(coder:)](cryptotokenkit/tktokenauthoperation/init(coder:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Inherited By

- [TKTokenPasswordAuthOperation](cryptotokenkit/tktokenpasswordauthoperation.md)
- [TKTokenSmartCardPINAuthOperation](cryptotokenkit/tktokensmartcardpinauthoperation.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)

## See Also

### Authenticating

- [tokenSession(_:beginAuthFor:constraint:)](cryptotokenkit/tktokensessiondelegate/tokensession(_:beginauthfor:constraint:).md)
- [TKTokenOperationConstraint](cryptotokenkit/tktokenoperationconstraint.md)
- [TKTokenPasswordAuthOperation](cryptotokenkit/tktokenpasswordauthoperation.md)
- [TKTokenSmartCardPINAuthOperation](cryptotokenkit/tktokensmartcardpinauthoperation.md)