Package hu.icellmobilsoft.coffee.tool.utils.crypto

Class AesCbcCryptoUtil

java.lang.Object

hu.icellmobilsoft.coffee.tool.utils.crypto.AesCbcCryptoUtil

public class AesCbcCryptoUtil
extends Object

AES/CBC/PKCS5PADDING coding

Since:

2.5.0

Author:

imre.scheffer

Field Summary

Fields

Modifier and Type	Field	Description
static String	CIPHER_TRANSFORMATION	Cipher transformation algotithm
static byte[]	DEFAULT_VECTOR	Default zero initial vector

Method Summary

Modifier and Type	Method	Description
static byte[]	decrypt(byte[] encryptedData, char[] key)	Decrypt data with parameters, initial vector is default zero
static byte[]	decrypt(byte[] encryptedData, char[] key, String initVector)	Decrypt data with parameters
static InputStream	decrypt(InputStream encryptedData, char[] key)	Decrypt data with parameters, initial vector is default zero
static InputStream	decrypt(InputStream encryptedData, char[] key, String initVector)	Decrypt data with parameters
static byte[]	encrypt(byte[] dataToEncrypt, char[] key)	Encrypt data with parameters, initial vector is default zero
static byte[]	encrypt(byte[] dataToEncrypt, char[] key, String initVector)	Encrypt data with parameters
static InputStream	encrypt(InputStream dataToEncrypt, char[] key)	Encrypt data with parameters, initial vector is default zero
static InputStream	encrypt(InputStream dataToEncrypt, char[] key, String initVector)	Encrypt data with parameters
static String	to16LengthInitVector(String sourceString)	Truncate/expand InitVector source string to 16-length string

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_VECTOR

public static final byte[] DEFAULT_VECTOR

Default zero initial vector

CIPHER_TRANSFORMATION

public static final String CIPHER_TRANSFORMATION

Cipher transformation algotithm

See Also:

Constant Field Values

Method Detail

encrypt

public static byte[] encrypt(byte[] dataToEncrypt,
                             char[] key)
                      throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Encrypt data with parameters, initial vector is default zero

Parameters:

dataToEncrypt - data to encrypt

key - encrypting key

Returns:

encrypted data in byte[]

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if any error

encrypt

public static InputStream encrypt(InputStream dataToEncrypt,
                                  char[] key)
                           throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Encrypt data with parameters, initial vector is default zero

Parameters:

dataToEncrypt - data to encrypt

key - encrypting key

Returns:

encrypted data in InputStream

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if any error

encrypt

public static byte[] encrypt(byte[] dataToEncrypt,
                             char[] key,
                             String initVector)
                      throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Encrypt data with parameters

Parameters:

dataToEncrypt - data to encrypt

key - encrypting key

initVector - initial vector

Returns:

encrypted data in byte[]

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if any error

encrypt

public static InputStream encrypt(InputStream dataToEncrypt,
                                  char[] key,
                                  String initVector)
                           throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Encrypt data with parameters

Parameters:

dataToEncrypt - data to encrypt

key - encrypting key

initVector - initial vector

Returns:

encrypted data in InputStream

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if any error

decrypt

public static byte[] decrypt(byte[] encryptedData,
                             char[] key)
                      throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Decrypt data with parameters, initial vector is default zero

Parameters:

encryptedData - encrypted data

key - decrypting key

Returns:

decrypted data in byte[]

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if any error

decrypt

public static InputStream decrypt(InputStream encryptedData,
                                  char[] key)
                           throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Decrypt data with parameters, initial vector is default zero

Parameters:

encryptedData - encrypted data

key - decrypting key

Returns:

decrypted data in InputStream

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if any error

decrypt

public static byte[] decrypt(byte[] encryptedData,
                             char[] key,
                             String initVector)
                      throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Decrypt data with parameters

Parameters:

encryptedData - encrypted data

key - decrypting key

initVector - initial vector

Returns:

decrypted data in byte[]

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if any error

decrypt

public static InputStream decrypt(InputStream encryptedData,
                                  char[] key,
                                  String initVector)
                           throws hu.icellmobilsoft.coffee.dto.exception.BaseException

Decrypt data with parameters

Parameters:

encryptedData - encrypted data

key - decrypting key

initVector - initial vector

Returns:

decrypted data in InputStream

Throws:

hu.icellmobilsoft.coffee.dto.exception.BaseException - if any error

to16LengthInitVector

public static String to16LengthInitVector(String sourceString)

Truncate/expand InitVector source string to 16-length string

Parameters:

sourceString - any string for InitVector

Returns:

16-length String