PasswordDigest

java.lang.Object
- net.freehaven.tor.control.PasswordDigest

```
public class PasswordDigest
extends java.lang.Object
```
A hashed digest of a secret password (used to set control connection security.)
For the actual hashing algorithm, see RFC2440's secret-to-key conversion.

Constructor Summary

Constructors
Constructor	Description
`PasswordDigest(byte[] secret)`	Construct a new password digest with a given secret and random salt
`PasswordDigest(byte[] secret, byte[] specifier)`	Construct a new password digest with a given secret and random salt.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static PasswordDigest`	`generateDigest()`	Return a new password digest with a random secret and salt.
`java.lang.String`	`getHashedPassword()`	Return the hashed password in the format used by Tor.
`byte[]`	`getSecret()`	Return the secret used to generate this password hash.
`static byte[]`	`secretToKey(byte[] secret, byte[] specifier)`	Implement rfc2440 s2k

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

- Constructor Detail
  - PasswordDigest
```
public PasswordDigest(byte[] secret)
```
    Construct a new password digest with a given secret and random salt
  - PasswordDigest
```
public PasswordDigest(byte[] secret,
                      byte[] specifier)
```
    Construct a new password digest with a given secret and random salt. Note that the 9th byte of the specifier determines the number of hash iterations as in RFC2440.
- Method Detail
  - generateDigest
```
public static PasswordDigest generateDigest()
```
    Return a new password digest with a random secret and salt.
  - getSecret
```
public byte[] getSecret()
```
    Return the secret used to generate this password hash.
  - getHashedPassword
```
public java.lang.String getHashedPassword()
```
    Return the hashed password in the format used by Tor.
  - secretToKey
```
public static byte[] secretToKey(byte[] secret,
                                 byte[] specifier)
```
    Implement rfc2440 s2k