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Java Source Code / Java Documentation » Groupware » LibreSource » md5

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

md5 .MD5Crypt

MD5Crypt

final public class MD5Crypt (Code)

This class defines a method, MD5Crypt.crypt(java.lang.Stringjava.lang.String) crypt() , which takes a password and a salt string and generates an OpenBSD/FreeBSD/Linux-compatible md5-encoded password entry.

Created: 3 November 1999

Release: $Name: $

Version: $Revision: 1.1 $

Last Mod Date: $Date: 2004/07/12 13:35:20 $

Java Code By: Jonathan Abbey, jonabbey@arlut.utexas.edu

Original C Version:

 ----------------------------------------------------------------------------
 "THE BEER-WARE LICENSE" (Revision 42):
  wrote this file.  As long as you retain this notice you
 can do whatever you want with this stuff. If we meet some day, and you think
 this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
 ----------------------------------------------------------------------------

author:
Jonathan Abbey

Method Summary
final public static String	apacheCrypt(String password)
final public static String	apacheCrypt(String password, String salt) This method actually generates an Apache MD5 compatible md5-encoded password hash from a plaintext password and a salt. The resulting string will be in the form '$apr1$<salt>$<hashed mess> Parameters: password - Plaintext password Parameters: salt - A short string to use to randomize md5.
final public static String	crypt(String password)
final public static String	crypt(String password, String salt) This method actually generates a OpenBSD/FreeBSD/Linux PAM compatible md5-encoded password hash from a plaintext password and a salt. The resulting string will be in the form '$1$<salt>$<hashed mess> Parameters: password - Plaintext password Parameters: salt - A short string to use to randomize md5.
final public static String	crypt(String password, String salt, String magic) This method actually generates md5-encoded password hash from a plaintext password, a salt, and a magic string. There are two magic strings that make sense to use here..
public static void	main(String argv) Command line test rig.

Method Detail

apacheCrypt

final public static String apacheCrypt(String password)(Code)

This method generates an Apache MD5 compatible md5-encoded password hash from a plaintext password and a salt.

The resulting string will be in the form '$apr1$<salt>$<hashed mess>

Parameters:
password - Plaintext password An Apache-compatible md5-hashed password string.

apacheCrypt

final public static String apacheCrypt(String password, String salt)(Code)

This method actually generates an Apache MD5 compatible md5-encoded password hash from a plaintext password and a salt.

The resulting string will be in the form '$apr1$<salt>$<hashed mess>

Parameters:
password - Plaintext password
Parameters:
salt - A short string to use to randomize md5. May start with $apr1$, whichwill be ignored. It is explicitly permitted to pass a pre-existingMD5Crypt'ed password entry as the salt. crypt() will strip the saltchars out properly. An Apache-compatible md5-hashed password string.

crypt

final public static String crypt(String password)(Code)

This method actually generates a OpenBSD/FreeBSD/Linux PAM compatible md5-encoded password hash from a plaintext password and a salt.

The resulting string will be in the form '$1$<salt>$<hashed mess>

Parameters:
password - Plaintext password An OpenBSD/FreeBSD/Linux-compatible md5-hashed password field.

crypt

final public static String crypt(String password, String salt)(Code)

This method actually generates a OpenBSD/FreeBSD/Linux PAM compatible md5-encoded password hash from a plaintext password and a salt.

The resulting string will be in the form '$1$<salt>$<hashed mess>

Parameters:
password - Plaintext password
Parameters:
salt - A short string to use to randomize md5. May start with $1$, whichwill be ignored. It is explicitly permitted to pass a pre-existingMD5Crypt'ed password entry as the salt. crypt() will strip the saltchars out properly. An OpenBSD/FreeBSD/Linux-compatible md5-hashed password field.

crypt

final public static String crypt(String password, String salt, String magic)(Code)

This method actually generates md5-encoded password hash from a plaintext password, a salt, and a magic string.

There are two magic strings that make sense to use here.. '$1$' is the magic string used by the FreeBSD/Linux/OpenBSD MD5Crypt algorithm, and '$apr1$' is the magic string used by the Apache MD5Crypt algorithm.

The resulting string will be in the form '<magic><salt>$<hashed mess>

Parameters:
password - Plaintext password @param salt A short string touse to randomize md5. May start with the magic string, whichwill be ignored. It is explicitly permitted to pass apre-existing MD5Crypt'ed password entry as the salt. crypt()will strip the salt chars out properly. An md5-hashed password string.

main
public static void main(String argv)(Code)
	Command line test rig.

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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