org.lsc.utils

Class SecurityUtils

java.lang.Object

org.lsc.utils.SecurityUtils

public class SecurityUtils
extends Object

Provides some methods to encrypt, decrypt or hash data.

See Also:

SymmetricEncryption

Field Summary

Fields

Modifier and Type	Field and Description
static String	HASH_MD5
static String	HASH_SHA1
static String	HASH_SHA256
static String	HASH_SHA512

Method Summary

Modifier and Type	Method and Description
static String	computeSambaLMPassword(String password) Encrypt a password for samba, LMPassword version.
static String	computeSambaNTPassword(String password) Encrypt a password for samba, NTPassword version.
static String	decrypt(String value) Decrypt a base64 value.
static String	encrypt(String value) Encrypt a value.
static String	hash(String type, String value) Hash a value within a supported hash type.

Methods inherited from class java.lang.Object

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

Field Detail

HASH_MD5

public static final String HASH_MD5

See Also:

Constant Field Values

HASH_SHA1

public static final String HASH_SHA1

See Also:

Constant Field Values

HASH_SHA256

public static final String HASH_SHA256

See Also:

Constant Field Values

HASH_SHA512

public static final String HASH_SHA512

See Also:

Constant Field Values

Method Detail

decrypt

public static String decrypt(String value)
                      throws GeneralSecurityException,
                             IOException

Decrypt a base64 value.

Parameters:

value - The value

Returns:

The decrypted String

Throws:

GeneralSecurityException

IOException

encrypt

public static String encrypt(String value)
                      throws GeneralSecurityException,
                             IOException

Encrypt a value.

Parameters:

value - The value

Returns:

The encrypted String, base64 encoded

Throws:

GeneralSecurityException

IOException

hash

public static String hash(String type,
                          String value)
                   throws NoSuchAlgorithmException

Hash a value within a supported hash type.

Parameters:

type - A valid hash type: SecurityUtils.HASH_MD5, SecurityUtils.HASH_SHA1, SecurityUtils.HASH_SHA256 or SecurityUtils.HASH_SHA512

value - A value to hash

Returns:

A valid base64 encoded hash

Throws:

NoSuchAlgorithmException

computeSambaLMPassword

public static String computeSambaLMPassword(String password)
                                     throws UnsupportedEncodingException,
                                            NoSuchAlgorithmException,
                                            NoSuchPaddingException,
                                            InvalidKeyException,
                                            IllegalBlockSizeException,
                                            BadPaddingException

Encrypt a password for samba, LMPassword version.

Parameters:

password - the password to encrypt

Returns:

the LMPassword

Throws:

UnsupportedEncodingException

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

BadPaddingException

IllegalBlockSizeException

computeSambaNTPassword

public static String computeSambaNTPassword(String password)
                                     throws UnsupportedEncodingException,
                                            NoSuchAlgorithmException,
                                            NoSuchProviderException

Encrypt a password for samba, NTPassword version.

Parameters:

password - the password to encrypt

Returns:

the NTPassword

Throws:

UnsupportedEncodingException

NoSuchProviderException

NoSuchAlgorithmException