---
title: CryptoKitError.incorrectKeySize
framework: cryptokit
role: symbol
role_heading: Case
platforms: [iOS 13.0+, iPadOS 13.0+, Mac Catalyst 13.0+, macOS 10.15+, tvOS 13.0+, visionOS 1.0+, watchOS 6.0+]
path: cryptokit/cryptokiterror/incorrectkeysize
---

# CryptoKitError.incorrectKeySize

The key size is incorrect.

## Declaration

```swift
case incorrectKeySize
```

## See Also

### Reporting errors

- [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)
- [CryptoKitError.unwrapFailure](cryptokit/cryptokiterror/unwrapfailure.md)