---
title: CryptoKitASN1Error
framework: cryptokit
role: symbol
role_heading: Enumeration
platforms: [iOS 14.0+, iPadOS 14.0+, Mac Catalyst 14.0+, macOS 11.0+, tvOS 14.0+, visionOS 1.0+, watchOS 7.0+]
path: cryptokit/cryptokitasn1error
---

# CryptoKitASN1Error

Errors from decoding ASN.1 content.

## Declaration

```swift
enum CryptoKitASN1Error
```

## Topics

### Reporting errors

- [CryptoKitASN1Error.invalidASN1IntegerEncoding](cryptokit/cryptokitasn1error/invalidasn1integerencoding.md)
- [CryptoKitASN1Error.invalidASN1Object](cryptokit/cryptokitasn1error/invalidasn1object.md)
- [CryptoKitASN1Error.invalidFieldIdentifier](cryptokit/cryptokitasn1error/invalidfieldidentifier.md)
- [CryptoKitASN1Error.invalidObjectIdentifier](cryptokit/cryptokitasn1error/invalidobjectidentifier.md)
- [CryptoKitASN1Error.invalidPEMDocument](cryptokit/cryptokitasn1error/invalidpemdocument.md)
- [CryptoKitASN1Error.truncatedASN1Field](cryptokit/cryptokitasn1error/truncatedasn1field.md)
- [CryptoKitASN1Error.unexpectedFieldType](cryptokit/cryptokitasn1error/unexpectedfieldtype.md)
- [CryptoKitASN1Error.unsupportedFieldLength](cryptokit/cryptokitasn1error/unsupportedfieldlength.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Error](swift/error.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Errors

- [CryptoKitError](cryptokit/cryptokiterror.md)