---
title: CryptoKitError.unwrapFailure
framework: cryptokit
role: symbol
role_heading: Case
platforms: [iOS 15.0+, iPadOS 15.0+, Mac Catalyst 15.0+, macOS 12.0+, tvOS 15.0+, visionOS 1.0+, watchOS 8.0+]
path: cryptokit/cryptokiterror/unwrapfailure
---

# CryptoKitError.unwrapFailure

The framework can’t unwrap the specified key.

## Declaration

```swift
case unwrapFailure
```

## See Also

### Reporting errors

- [CryptoKitError.incorrectKeySize](cryptokit/cryptokiterror/incorrectkeysize.md)
- [CryptoKitError.invalidParameter](cryptokit/cryptokiterror/invalidparameter.md)
- [CryptoKitError.incorrectParameterSize](cryptokit/cryptokiterror/incorrectparametersize.md)
- [CryptoKitError.underlyingCoreCryptoError(error:)](cryptokit/cryptokiterror/underlyingcorecryptoerror(error:).md)
- [CryptoKitError.authenticationFailure](cryptokit/cryptokiterror/authenticationfailure.md)
- [CryptoKitError.wrapFailure](cryptokit/cryptokiterror/wrapfailure.md)