com.redhat.rhn.common.util

Class MD5Crypt

java.lang.Object

com.redhat.rhn.common.util.MD5Crypt

public class MD5Crypt
extends java.lang.Object

MD5Crypt Utility class to create/check passwords generated by the perl crypt function. Passwords are in the format of $1$salt$encodedpassword.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	crypt(java.lang.String key) crypt - method to help in setting passwords.
static java.lang.String	crypt(java.lang.String key, java.lang.String s) crypt Encodes a key using a salt (s) in the same manner as the perl crypt() function.
static java.lang.String	md5Hex(byte[] secretBytes) MD5 and Hexify an array of bytes.
static java.lang.String	md5Hex(java.lang.String inputString) MD5 and Hexify a string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

crypt

public static java.lang.String crypt(java.lang.String key)

crypt - method to help in setting passwords.

Parameters:

key - - The key to encode

Returns:

Returns a string in the form of "$1$RandomSalt$encodedkey"

crypt

public static java.lang.String crypt(java.lang.String key,
                                     java.lang.String s)

crypt Encodes a key using a salt (s) in the same manner as the perl crypt() function. This method will be called directly when checking passwords. It will also be called from the crypt(key) function when setting a password.

Parameters:

key - - The key to encode

s - - The salt

Returns:

Returns a string in the form of "$1$salt$encodedkey"

Throws:

MD5CryptException - MD5Crypt exception

md5Hex

public static java.lang.String md5Hex(java.lang.String inputString)

MD5 and Hexify a string. Take the input string, MD5 encode it and then turn it into Hex.

Parameters:

inputString - you want md5hexed

Returns:

md5hexed String.

md5Hex

public static java.lang.String md5Hex(byte[] secretBytes)

MD5 and Hexify an array of bytes. Take the input array, MD5 encodes it and then turns it into Hex.

Parameters:

secretBytes - you want md5hexed

Returns:

md5hexed String.