---
title: murmurhash64
framework: applearchive
role: symbol
role_heading: Type Property
path: applearchive/archiveencryptioncontext/checksummode-swift.struct/murmurhash64
---

# murmurhash64

A constant that represents the 64-bit MurmurHash 2 checksum.

## Declaration

```swift
static let murmurhash64: ArchiveEncryptionContext.ChecksumMode
```

## See Also

### Checksum Mode Constants

- [none](applearchive/archiveencryptioncontext/checksummode-swift.struct/none.md)
- [sha256](applearchive/archiveencryptioncontext/checksummode-swift.struct/sha256.md)