---
title: "CryptoKitError.underlyingCoreCryptoError(error:)"
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/underlyingcorecryptoerror(error:)"
---

# CryptoKitError.underlyingCoreCryptoError(error:)

The underlying corecrypto library is unable to complete the requested action.

## Declaration

```swift
case underlyingCoreCryptoError(error: Int32)
```

## See Also

### Reporting errors

- [CryptoKitError.incorrectKeySize](cryptokit/cryptokiterror/incorrectkeysize.md)
- [CryptoKitError.invalidParameter](cryptokit/cryptokiterror/invalidparameter.md)
- [CryptoKitError.incorrectParameterSize](cryptokit/cryptokiterror/incorrectparametersize.md)
- [CryptoKitError.authenticationFailure](cryptokit/cryptokiterror/authenticationfailure.md)
- [CryptoKitError.wrapFailure](cryptokit/cryptokiterror/wrapfailure.md)
- [CryptoKitError.unwrapFailure](cryptokit/cryptokiterror/unwrapfailure.md)