---
title: PKPassKitError.Code.invalidSignature
framework: passkit
role: symbol
role_heading: Case
path: passkit/pkpasskiterror/code/invalidsignature
---

# PKPassKitError.Code.invalidSignature

Invalid pass signature.

## Declaration

```swift
case invalidSignature
```

## Discussion

Discussion For example, the pass type identifier in the certificate and the pass do not match, or the certificate has expired or was revoked.

## See Also

### Error codes

- [PKPassKitError.Code.unknownError](passkit/pkpasskiterror/code/unknownerror.md)
- [PKPassKitError.Code.invalidDataError](passkit/pkpasskiterror/code/invaliddataerror.md)
- [PKPassKitError.Code.unsupportedVersionError](passkit/pkpasskiterror/code/unsupportedversionerror.md)
- [PKPassKitError.Code.notEntitledError](passkit/pkpasskiterror/code/notentitlederror.md)