---
title: TKTokenKeychainKey
framework: cryptotokenkit
role: symbol
role_heading: Class
path: cryptotokenkit/tktokenkeychainkey
---

# TKTokenKeychainKey

A token’s key as stored in the keychain.

## Declaration

```swift
class TKTokenKeychainKey
```

## Topics

### Creating Token Keychain Keys

- [init(certificate:objectID:)](cryptotokenkit/tktokenkeychainkey/init(certificate:objectid:).md)

### Accessing Key Attributes

- [keyType](cryptotokenkit/tktokenkeychainkey/keytype.md)
- [keySizeInBits](cryptotokenkit/tktokenkeychainkey/keysizeinbits.md)
- [applicationTag](cryptotokenkit/tktokenkeychainkey/applicationtag.md)
- [publicKeyData](cryptotokenkit/tktokenkeychainkey/publickeydata.md)
- [publicKeyHash](cryptotokenkit/tktokenkeychainkey/publickeyhash.md)
- [canDecrypt](cryptotokenkit/tktokenkeychainkey/candecrypt.md)
- [canSign](cryptotokenkit/tktokenkeychainkey/cansign.md)
- [canPerformKeyExchange](cryptotokenkit/tktokenkeychainkey/canperformkeyexchange.md)
- [isSuitableForLogin](cryptotokenkit/tktokenkeychainkey/issuitableforlogin.md)

## Relationships

### Inherits From

- [TKTokenKeychainItem](cryptotokenkit/tktokenkeychainitem.md)

### Conforms To

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

## See Also

### Accessing Keychain Items

- [keychainContents](cryptotokenkit/tktoken/keychaincontents.md)
- [TKTokenKeychainContents](cryptotokenkit/tktokenkeychaincontents.md)
- [TKTokenKeychainItem](cryptotokenkit/tktokenkeychainitem.md)
- [TKTokenKeychainCertificate](cryptotokenkit/tktokenkeychaincertificate.md)
- [TKToken.ObjectID](cryptotokenkit/tktoken/objectid.md)
- [TKToken.ObjectID](cryptotokenkit/tktoken/objectid.md)