Package com.logicaldoc.util.crypt

Class CryptUtil

java.lang.Object

com.logicaldoc.util.crypt.CryptUtil

public class CryptUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CryptUtil.EncryptionException

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_ENCRYPTION_KEY
static final String	DES_ENCRYPTION_SCHEME
static final String	DESEDE_ENCRYPTION_SCHEME

Constructor Summary

Constructors

Constructor	Description
CryptUtil(String encryptionKey)
CryptUtil(String encryptionScheme, String encryptionKey)

Method Summary

Modifier and Type	Method	Description
void	decrypt(File inputFile, File outputFile)
String	decrypt(String encryptedString)
void	encrypt(File inputFile, File outputFile)
String	encrypt(String unencryptedString)
static String	encryptSHA256(String original)	This method encodes a given string using the SHA-256 algorithm
static String	getHex(byte[] raw)
static String	hashMD4(String original)	Converts a string into a MD4 hash.
static String	hashNTLM1(String original)	Converts a string into a MD4 hash suitable for the NTLM v1 authentication

Methods inherited from class java.lang.Object

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

Field Details

DESEDE_ENCRYPTION_SCHEME

public static final String DESEDE_ENCRYPTION_SCHEME

See Also:

• Constant Field Values

DES_ENCRYPTION_SCHEME

public static final String DES_ENCRYPTION_SCHEME

See Also:

• Constant Field Values

DEFAULT_ENCRYPTION_KEY

public static final String DEFAULT_ENCRYPTION_KEY

See Also:

• Constant Field Values

Constructor Details

CryptUtil

public CryptUtil(String encryptionKey)
          throws CryptUtil.EncryptionException

Throws:

CryptUtil.EncryptionException

CryptUtil

public CryptUtil(String encryptionScheme,
 String encryptionKey)
          throws CryptUtil.EncryptionException

Throws:

CryptUtil.EncryptionException

Method Details

encrypt

public void encrypt(File inputFile,
 File outputFile)
             throws CryptUtil.EncryptionException

Throws:

CryptUtil.EncryptionException

decrypt

public void decrypt(File inputFile,
 File outputFile)
             throws CryptUtil.EncryptionException

Throws:

CryptUtil.EncryptionException

encrypt

public String encrypt(String unencryptedString)
               throws CryptUtil.EncryptionException

Throws:

CryptUtil.EncryptionException

decrypt

public String decrypt(String encryptedString)
               throws CryptUtil.EncryptionException

Throws:

CryptUtil.EncryptionException

encryptSHA256

public static String encryptSHA256(String original)
                            throws NoSuchAlgorithmException

This method encodes a given string using the SHA-256 algorithm

Parameters:

original - String to encode

Returns:

Encoded string

Throws:

NoSuchAlgorithmException - Cripting exception

hashMD4

public static String hashMD4(String original)

Converts a string into a MD4 hash.

Parameters:

original - the original string to be encrypted.

Returns:

the returned hash as bytes.

hashNTLM1

public static String hashNTLM1(String original)

Converts a string into a MD4 hash suitable for the NTLM v1 authentication

Parameters:

original - the original string

Returns:

the MD4 hash

getHex

public static String getHex(byte[] raw)