com.metaring.framework.util

Class CryptoUtil

java.lang.Object

com.metaring.framework.util.CryptoUtil

public class CryptoUtil
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Base64.Decoder	BASE_64_DECODER
static Base64.Encoder	BASE_64_ENCODER
static Charset	CHARSET_UTF_8
private static String	CIPHER_PROVIDER
private static String	CIPHER_TRANSFORMATION
private static String	KEY_TYPE
private static String	MESSAGE_DIGEST_ALGORYTHM
private static Random	RANDOM
static String	SYSTEM_BASE_PASS_KEY_PROPERTY_NAME

Constructor Summary

Constructors

Constructor and Description
CryptoUtil()

Method Summary

Modifier and Type	Method and Description
private static byte[]	convert(int cipherMode, String sourceIp, byte[] data)
static byte[]	decrypt(String sourceIp, byte[] encryptedPayload)
static byte[]	encrypt(String sourceIp, byte[] payload)
static byte[]	fromBase64(byte[] base64Bytes)
static byte[]	fromBase64(String source)
static String	fromBase64String(byte[] base64Bytes)
static String	fromBase64String(String source)
static byte[]	getCommunicationPassKey(String sourceIp)
static String	getCommunicationPassKeyString(String sourceIp)
static SecretKeySpec	getSecretKey(String sourceIp)
static String	getSystemBasePassKey()
static String	nextRandomCode()
static String	nextUserToken(String sourceIp)
static byte[]	toBase64(byte[] plainBytes)
static byte[]	toBase64(String source)
static String	toBase64String(byte[] plainBytes)
static String	toBase64String(String source)
static byte[]	toHex(byte[] source)
static byte[]	toHex(String source)
static String	toHexString(byte[] source)
static String	toHexString(String source)
static byte[]	toMD5(byte[] source)
static byte[]	toMD5(String source)
static String	toMD5String(byte[] source)
static String	toMD5String(Object source)
static String	toMD5String(String source)

Methods inherited from class java.lang.Object

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

Field Detail

CHARSET_UTF_8

public static final Charset CHARSET_UTF_8

SYSTEM_BASE_PASS_KEY_PROPERTY_NAME

public static final String SYSTEM_BASE_PASS_KEY_PROPERTY_NAME

See Also:

Constant Field Values

MESSAGE_DIGEST_ALGORYTHM

private static final String MESSAGE_DIGEST_ALGORYTHM

See Also:

Constant Field Values

CIPHER_TRANSFORMATION

private static final String CIPHER_TRANSFORMATION

See Also:

Constant Field Values

KEY_TYPE

private static final String KEY_TYPE

See Also:

Constant Field Values

CIPHER_PROVIDER

private static final String CIPHER_PROVIDER

See Also:

Constant Field Values

BASE_64_ENCODER

public static final Base64.Encoder BASE_64_ENCODER

BASE_64_DECODER

public static final Base64.Decoder BASE_64_DECODER

RANDOM

private static final Random RANDOM

Constructor Detail

CryptoUtil

public CryptoUtil()

Method Detail

getSystemBasePassKey

public static final String getSystemBasePassKey()

getCommunicationPassKey

public static final byte[] getCommunicationPassKey(String sourceIp)

getCommunicationPassKeyString

public static final String getCommunicationPassKeyString(String sourceIp)

getSecretKey

public static final SecretKeySpec getSecretKey(String sourceIp)

toMD5

public static final byte[] toMD5(byte[] source)

toMD5

public static final byte[] toMD5(String source)

toMD5String

public static final String toMD5String(String source)

toMD5String

public static final String toMD5String(Object source)

toMD5String

public static final String toMD5String(byte[] source)

toHex

public static final byte[] toHex(byte[] source)

toHex

public static final byte[] toHex(String source)

toHexString

public static final String toHexString(byte[] source)

toHexString

public static final String toHexString(String source)

decrypt

public static final byte[] decrypt(String sourceIp,
                                   byte[] encryptedPayload)

encrypt

public static final byte[] encrypt(String sourceIp,
                                   byte[] payload)

convert

private static final byte[] convert(int cipherMode,
                                    String sourceIp,
                                    byte[] data)

toBase64

public static final byte[] toBase64(byte[] plainBytes)

toBase64

public static final byte[] toBase64(String source)

toBase64String

public static final String toBase64String(byte[] plainBytes)

toBase64String

public static final String toBase64String(String source)

fromBase64

public static final byte[] fromBase64(byte[] base64Bytes)

fromBase64

public static final byte[] fromBase64(String source)

fromBase64String

public static final String fromBase64String(String source)

fromBase64String

public static final String fromBase64String(byte[] base64Bytes)

nextRandomCode

public static final String nextRandomCode()

nextUserToken

public static final String nextUserToken(String sourceIp)