---
title: signatureMode
framework: applearchive
role: symbol
role_heading: Instance Property
path: applearchive/archiveencryptioncontext/signaturemode-swift.property
---

# signatureMode

The signature mode, such as an ECDSA Nist P-256 signature.

## Declaration

```swift
var signatureMode: ArchiveEncryptionContext.SignatureMode { get }
```

## See Also

### Signing an encryption context

- [sign(encryptedStream:encryptionContext:)](applearchive/archiveencryptioncontext/sign(encryptedstream:encryptioncontext:).md)
- [ArchiveEncryptionContext.SignatureMode](applearchive/archiveencryptioncontext/signaturemode-swift.struct.md)