MD5Digest

java.lang.Object
- org.postgresql.util.MD5Digest

```
public class MD5Digest
extends java.lang.Object
```
MD5-based utility function to obfuscate passwords before network transmission.

Field Summary

Fields
Modifier and Type Field Description

private static byte[] HEX_BYTES

Constructor Summary

Constructors
Modifier Constructor Description

private MD5Digest()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`private static void`	`bytesToHex(byte[] bytes, byte[] hex, int offset)`
`static byte[]`	`encode(byte[] user, byte[] password, byte[] salt)`	Encodes user/password/salt information in the following way: MD5(MD5(password + user) + salt).

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

- Field Detail
  - HEX_BYTES
```
private static final byte[] HEX_BYTES
```
- Constructor Detail
  - MD5Digest
```
private MD5Digest()
```
- Method Detail
  - encode
```
public static byte[] encode(byte[] user,
                            byte[] password,
                            byte[] salt)
```
    Encodes user/password/salt information in the following way: MD5(MD5(password + user) + salt).
    
    Parameters:
    
    user - The connecting user.
    
    password - The connecting user's password.
    
    salt - A four-salt sent by the server.
    
    Returns:
    
    A 35-byte array, comprising the string "md5" and an MD5 digest.
  - bytesToHex
```
private static void bytesToHex(byte[] bytes,
                               byte[] hex,
                               int offset)
```