MasterkeyBackupFileHasher (Cryptomator Crypto Filesystem 1.9.2 API)

java.lang.Object
- org.cryptomator.cryptofs.common.MasterkeyBackupFileHasher

```
public final class MasterkeyBackupFileHasher
extends Object
```
Utility class for generating a suffix for the backup file to make it unique to its original master key file.

Constructor Summary

Constructors
Constructor Description

MasterkeyBackupFileHasher()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`generateFileIdSuffix(byte[] fileBytes)`	Computes the SHA-256 digest of the given byte array and returns a file suffix containing the first 4 bytes in hex string format.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MasterkeyBackupFileHasher
```
public MasterkeyBackupFileHasher()
```
- Method Detail
  - generateFileIdSuffix
```
public static String generateFileIdSuffix(byte[] fileBytes)
```
    Computes the SHA-256 digest of the given byte array and returns a file suffix containing the first 4 bytes in hex string format.
    
    Parameters:
    
    fileBytes - the input byte for which the digest is computed
    
    Returns:
    
    "." + first 4 bytes of SHA-256 digest in hex string format