Package ch.autumo.commons.utils.security

Class CryptUtils

java.lang.Object

ch.autumo.commons.utils.security.CryptUtils

public final class CryptUtils
extends Object

Encryption Utilities.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	CryptUtils.KEYDATA	Internal keys.

Method Summary

Modifier and Type	Method	Description
static String	ba2hs(byte[] b)	Byte array 2 string.
static String	bytesToHex(byte[] bytes)	Bytes 2 HEX.
static String	decode(String data, SecureApplication app)	Standard decoding.
static String	decode(String data, SecureApplication app, boolean internal)	Standard decoding.
static String	decodeIfNecessary(String data, SecureApplication app)	Decode data if encoded.
static String	decodeIfNecessary(String data, SecureApplication app, boolean internal)	Decode data if encoded.
static String	encode(int mode, String data, SecureApplication app)	Standard encoding.
static String	encode(int mode, String data, SecureApplication app, boolean internal)	Standard encoding.
static String	hashPw(String password)	Hash a password with configured HASH algorithm implementation.
static byte[]	hs2ba(String s)	String 2 byte array.
static boolean	verifyPw(String password, String hashedPassword)	Verify password with configured HASH algorithm implementation.

Methods inherited from class java.lang.Object

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

Method Details

decodeIfNecessary

public static String decodeIfNecessary(String data,
 SecureApplication app)
                                throws UtilsException

Decode data if encoded.

Parameters:

data - data

app - secure application

Returns:

decoded data

Throws:

UtilsException - if encoding fails

decodeIfNecessary

public static String decodeIfNecessary(String data,
 SecureApplication app,
 boolean internal)
                                throws UtilsException

Decode data if encoded.

Parameters:

data - data

app - secure application

internal - true for internal encodings

Returns:

decoded data

Throws:

UtilsException - if encoding fails

encode

public static String encode(int mode,
 String data,
 SecureApplication app)
                     throws UtilsException

Standard encoding.

Parameters:

mode - encoding mode (algorithm)

data - data

app - secure application

Returns:

encoded data

Throws:

UtilsException - if encoding fails

encode

public static String encode(int mode,
 String data,
 SecureApplication app,
 boolean internal)
                     throws UtilsException

Standard encoding.

Parameters:

mode - encoding mode (algorithm)

data - data

app - secure application

internal - true for internal encodings

Returns:

encoded data

Throws:

UtilsException - if encosing fails

decode

public static String decode(String data,
 SecureApplication app)
                     throws UtilsException

Standard decoding.

Parameters:

data - data, which includes mode:'mode:encodedstring'.

app - secure application

Returns:

encoded data

Throws:

UtilsException - if decoding fails

decode

public static String decode(String data,
 SecureApplication app,
 boolean internal)
                     throws UtilsException

Standard decoding.

Parameters:

data - data, which includes mode:'mode:encodedstring'.

app - secure application

internal - true for internal encodings

Returns:

encoded data

Throws:

UtilsException - if decoding fails

hashPw

public static String hashPw(String password)
                     throws UtilsException

Hash a password with configured HASH algorithm implementation. Cannot be reversed.

Parameters:

password - password to hash

Returns:

hashed password

Throws:

UtilsException - if hashing fails

verifyPw

public static boolean verifyPw(String password,
 String hashedPassword)
                        throws UtilsException

Verify password with configured HASH algorithm implementation.

Parameters:

password - password to check

hashedPassword - hashed password previously loaded

Returns:

true if password match

Throws:

UtilsException - if password can't be verified

bytesToHex

public static String bytesToHex(byte[] bytes)

Bytes 2 HEX.

Parameters:

bytes - btes

Returns:

HEX string

hs2ba

public static byte[] hs2ba(String s)

String 2 byte array.

Parameters:

s - string

Returns:

byte array

ba2hs

public static String ba2hs(byte[] b)

Byte array 2 string.

Parameters:

b - byte array

Returns:

string