Package net.freehaven.tor.control

Class PasswordDigest

java.lang.Object

net.freehaven.tor.control.PasswordDigest

public class PasswordDigest
extends 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

Modifier and Type	Method	Description
static PasswordDigest	generateDigest()	Return a new password digest with a random secret and salt.
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 Details

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 Details

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 String getHashedPassword()

Return the hashed password in the format used by Tor.

secretToKey

public static byte[] secretToKey(byte[] secret,
 byte[] specifier)

Implement rfc2440 s2k