org.osgl.util

Enum Crypto

java.lang.Object

java.lang.Enum<Crypto>

org.osgl.util.Crypto

All Implemented Interfaces:

Serializable, Comparable<Crypto>

public enum Crypto
extends Enum<Crypto>

Cryptography utils. Comes from play!framework under apache license

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Crypto.HashType Define a hash type enumeration for strong-typing

Method Summary

Modifier and Type	Method and Description
static String	decryptAES(String value, byte[] privateKey) Decrypt a String with the AES encryption standard.
static String	decryptAES(String value, byte[] privateKey, byte[] salt) Decrypt a String with the AES encryption standard.
static String	decryptAES(String value, String privateKey) Deprecated.
static String	decryptAES(String value, String privateKey, String salt) Deprecated.
static String	encryptAES(String value, byte[] privateKey) Encrypt a String with the AES encryption standard.
static String	encryptAES(String value, byte[] privateKey, byte[] salt) Encrypt a String with the AES encryption standard.
static String	encryptAES(String value, String privateKey) Deprecated.
static String	encryptAES(String value, String privateKey, String salt) Deprecated.
static char[]	generatePassword()
static char[]	generatePassword(char[] ca)
static char[]	generatePassword(int len)
static String	genRandomDigits() Generate random digital string of random size range from 4 to 12 inclusive
static String	genRandomDigits(int len) Generate random digital string with the size specified.
static String	genRandomStr() Generate random string with random length from 4 to 12 inclusive
static String	genRandomStr(int len) Generate random String with readable characters.
static String	genSecret() Generate secret string using 4 bytes
static String	genSecret(int len) Generate a secret string from random byte array
static void	main(String[] args)
static char[]	passwordHash(char[] input) Create a password hash using the default hashing algorithm
static char[]	passwordHash(char[] input, Crypto.HashType hashType) Create a password hash using specific hashing algorithm
static String	passwordHash(String input) Create a password hash using the default hashing algorithm
static String	passwordHash(String input, Crypto.HashType hashType) Create a password hash using specific hashing algorithm
static void	setCryptoService(CryptoService service)
static String	sign(String message, byte[] key) Sign a message with a key
static Crypto	valueOf(String name) Returns the enum constant of this type with the specified name.
static Crypto[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

values

public static Crypto[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (Crypto c : Crypto.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static Crypto valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

setCryptoService

public static void setCryptoService(CryptoService service)

generatePassword

public static char[] generatePassword()

generatePassword

public static char[] generatePassword(int len)

generatePassword

public static char[] generatePassword(char[] ca)

sign

public static String sign(String message,
                          byte[] key)

Sign a message with a key

Parameters:

message - The message to sign

key - The key to use

Returns:

The signed message (in hexadecimal)

passwordHash

public static String passwordHash(String input)

Create a password hash using the default hashing algorithm

Parameters:

input - The password

Returns:

The password hash

passwordHash

public static String passwordHash(String input,
                                  Crypto.HashType hashType)

Create a password hash using specific hashing algorithm

Parameters:

input - The password

hashType - The hashing algorithm

Returns:

The password hash

passwordHash

public static char[] passwordHash(char[] input)

Create a password hash using the default hashing algorithm

Parameters:

input - The password

Returns:

The password hash

passwordHash

public static char[] passwordHash(char[] input,
                                  Crypto.HashType hashType)

Create a password hash using specific hashing algorithm

Parameters:

input - The password

hashType - The hashing algorithm

Returns:

The password hash

encryptAES

@Deprecated
public static String encryptAES(String value,
                                            String privateKey)

Deprecated.

This method is deprecated. Please use encryptAES(String, byte[]) instead

Encrypt a String with the AES encryption standard. Private key must have a length of 16 bytes

Parameters:

value - The String to encrypt

privateKey - The key used to encrypt

Returns:

An hexadecimal encrypted string

encryptAES

public static String encryptAES(String value,
                                byte[] privateKey)

Encrypt a String with the AES encryption standard. Private key must have a length of 16 bytes

Parameters:

value - The String to encrypt

privateKey - The key used to encrypt

Returns:

An hexadecimal encrypted string

encryptAES

@Deprecated
public static String encryptAES(String value,
                                            String privateKey,
                                            String salt)

Deprecated.

This method is deprecated, please use encryptAES(String, byte[]) instead

Encrypt a String with the AES encryption standard. Private key must have a length of 16 bytes

Parameters:

value - The String to encrypt

privateKey - The key used to encrypt

salt - The salt

Returns:

An hexadecimal encrypted string

encryptAES

public static String encryptAES(String value,
                                byte[] privateKey,
                                byte[] salt)

Encrypt a String with the AES encryption standard. Private key must have a length of 16 bytes

Parameters:

value - The String to encrypt

privateKey - The key used to encrypt

salt - The salt

Returns:

An hexadecimal encrypted string

decryptAES

@Deprecated
public static String decryptAES(String value,
                                            String privateKey)

Deprecated.

This method is deprecated. please use decryptAES(String, byte[]) instead

Decrypt a String with the AES encryption standard. Private key must have a length of 16 bytes

Parameters:

value - An hexadecimal encrypted string

privateKey - The key used to encrypt

Returns:

The decrypted String

decryptAES

public static String decryptAES(String value,
                                byte[] privateKey)

Decrypt a String with the AES encryption standard. Private key must have a length of 16 bytes

Parameters:

value - An hexadecimal encrypted string

privateKey - The key used to encrypt

Returns:

The decrypted String

decryptAES

@Deprecated
public static String decryptAES(String value,
                                            String privateKey,
                                            String salt)

Deprecated.

This method is deprecated. please use decryptAES(String, byte[], byte[]) instead

Decrypt a String with the AES encryption standard. Private key must have a length of 16 bytes

Parameters:

value - An hexadecimal encrypted string

privateKey - The key used to encrypt

salt - the salt

Returns:

The decrypted String

decryptAES

public static String decryptAES(String value,
                                byte[] privateKey,
                                byte[] salt)

Decrypt a String with the AES encryption standard. Private key must have a length of 16 bytes

Parameters:

value - An hexadecimal encrypted string

privateKey - The key used to encrypt

salt - the salt

Returns:

The decrypted String

genSecret

public static String genSecret(int len)

Generate a secret string from random byte array

Parameters:

len - the number of bytes used to generate the secret

Returns:

the secret

genSecret

public static String genSecret()

Generate secret string using 4 bytes

Returns:

the secret

genRandomDigits

public static String genRandomDigits(int len)

Generate random digital string with the size specified. The method use the SecureRandom

Parameters:

len - the number of digits in the string generated

Returns:

a string contains random digits

genRandomDigits

public static String genRandomDigits()

Generate random digital string of random size range from 4 to 12 inclusive

Returns:

a random digital string

See Also:

genRandomDigits(int)

genRandomStr

public static String genRandomStr(int len)

Generate random String with readable characters. This method will use the SecureRandom

Parameters:

len - the size of the string returned

Returns:

the string generated

genRandomStr

public static String genRandomStr()

Generate random string with random length from 4 to 12 inclusive

Returns:

the string generated

See Also:

genRandomStr(int)

main

public static void main(String[] args)