Class NtlmFunctions

java.lang.Object

com.hierynomus.ntlm.functions.NtlmFunctions

public class NtlmFunctions
extends Object

NTLM Helper functions

Field Summary

Fields

Modifier and Type	Field	Description
static final Charset	UNICODE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	NtlmFunctions()

Method Summary

Modifier and Type	Method	Description
(package private) static Cipher	getDESCipher(SecurityProvider securityProvider, byte[] key)
static byte[]	hmac_md5(SecurityProvider securityProvider, byte[] key, byte[]... message)	[MS-NLMP].pdf 6 Appendix A: Cryptographic Operations Reference (HMAC_MD5(K, M)).
(package private) static byte[]	md4(SecurityProvider securityProvider, byte[] m)	[MS-NLMP].pdf 6 Appendix A: Cryptographic Operations Reference (MD4(M)).
static byte[]	md5(SecurityProvider securityProvider, byte[]... message)
static String	oem(byte[] bytes)
static byte[]	oem(String s)
static byte[]	rc4k(SecurityProvider securityProvider, byte[] k, byte[] d)	[MS-NLMP].pdf 6 Appendix A: Cryptographic Operations Reference (RC4K(K, D)).
private static byte[]	setupKey(byte[] key56)
static String	unicode(byte[] bytes)
static byte[]	unicode(String string)	[MS-NLMP].pdf 6 Appendix A: Cryptographic Operations Reference (UNICODE(string)).

Methods inherited from class Object

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

Field Details

UNICODE

public static final Charset UNICODE

Constructor Details

NtlmFunctions

private NtlmFunctions()

Method Details

unicode

public static byte[] unicode(String string)

[MS-NLMP].pdf 6 Appendix A: Cryptographic Operations Reference (UNICODE(string)).

Parameters:

string - The string to get the bytes of.

Returns:

The 2-byte little endian byte order encoding of the Unicode UTF-16 representation of the string.

unicode

public static String unicode(byte[] bytes)

oem

public static byte[] oem(String s)

oem

public static String oem(byte[] bytes)

md4

static byte[] md4(SecurityProvider securityProvider,
 byte[] m)

[MS-NLMP].pdf 6 Appendix A: Cryptographic Operations Reference (MD4(M)).

Parameters:

m - The string to calculcate the MD4 hash of.

Returns:

The 2-byte little endian byte order encoding of the Unicode UTF-16 representation of the string.

hmac_md5

public static byte[] hmac_md5(SecurityProvider securityProvider,
 byte[] key,
 byte[]... message)

[MS-NLMP].pdf 6 Appendix A: Cryptographic Operations Reference (HMAC_MD5(K, M)).

Parameters:

key - The bytes of key K

message - The bytes of message M

Returns:

The 16-byte HMAC-keyed MD5 message digest of the byte string M using the key K

md5

public static byte[] md5(SecurityProvider securityProvider,
 byte[]... message)

rc4k

public static byte[] rc4k(SecurityProvider securityProvider,
 byte[] k,
 byte[] d)
                   throws NtlmException

[MS-NLMP].pdf 6 Appendix A: Cryptographic Operations Reference (RC4K(K, D)).

Parameters:

k - The key to initialize the RC4 cipher with.

d - The data to encrypt.

Returns:

The encrypted data.

Throws:

NtlmException

setupKey

private static byte[] setupKey(byte[] key56)

getDESCipher

static Cipher getDESCipher(SecurityProvider securityProvider,
 byte[] key)