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# TKTokenKeychainCertificate

A token’s certificate as stored in the keychain.

```
class TKTokenKeychainCertificate
```

## Topics

### Creating Token Keychain Certificates

[`-  initWithCertificate:objectID:`](/documentation/CryptoTokenKit/TKTokenKeychainCertificate/init(certificate:objectID:))

Initializes a token keychain certificate with data from the specified certificate reference and a given object ID.

### Accessing Certificate Data

[`data`](/documentation/CryptoTokenKit/TKTokenKeychainCertificate/data)

Returns a DER-encoded representation of an X.509 certificate.

## Relationships

### Inherits From

[`TKTokenKeychainItem`](/documentation/CryptoTokenKit/TKTokenKeychainItem)

### Conforms To

[`CVarArg`](/documentation/Swift/CVarArg)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

---

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