net.inveed.commons.utils

Class CryptoUtil

java.lang.Object

net.inveed.commons.utils.CryptoUtil

public class CryptoUtil
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static INumberedException.IErrorCode	ERR_CRYPTO_BAD_PADDING
static INumberedException.IErrorCode	ERR_CRYPTO_DATA_LENGTH_ERROR
static INumberedException.IErrorCode	ERR_CRYPTO_ILLEGAL_BLOCK_SIZE
static INumberedException.IErrorCode	ERR_CRYPTO_ILLEGAL_STATE
static INumberedException.IErrorCode	ERR_CRYPTO_INVALID_CYPHER_TEXT
static INumberedException.IErrorCode	ERR_CRYPTO_INVALID_KEY
static INumberedException.IErrorCode	ERR_CRYPTO_NO_SUCH_ALGORYTHM
static INumberedException.IErrorCode	ERR_CRYPTO_NO_SUCH_PADDING
static INumberedException.IErrorCode	ERR_CRYPTO_NO_SUCH_PROVIDER
static INumberedException.IErrorCode	ERR_CRYPTO_UNKNOWN

Constructor Summary

Constructors

Constructor and Description
CryptoUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	checkAESSignature(byte[] data, byte[] signature, byte[] aesKey, byte[] asIv)
static boolean	checkRSASignature(byte[] data, byte[] signature, PublicKey rsaPublicKey)
static byte[]	decryptAESCBC_NOPAD(byte[] cipherText, byte[] keyBytes, byte[] ivBytes)
static byte[]	decryptAESCBC_PKCS7Padding(byte[] cipherText, byte[] keyBytes, byte[] ivBytes)
static byte[]	decryptAESECB_NOPAD(byte[] cipherText, byte[] keyBytes)
static byte[]	decryptAESECB_PKCS7Padding(byte[] cipherText, byte[] keyBytes)
static byte[]	decryptRSAPrivate(byte[] input, PrivateKey key)
static byte[]	decryptRSAPublic(byte[] input, PublicKey key)
static byte[]	encryptAESCBC_NOPAD(byte[] data, byte[] keyBytes, byte[] ivBytes)
static byte[]	encryptAESCBC_PKCS7Padding(byte[] data, byte[] keyBytes, byte[] ivBytes)
static byte[]	encryptAESECB_NOPAD(byte[] data, byte[] keyBytes)
static byte[]	encryptAESECB_PKCS7Padding(byte[] data, byte[] keyBytes)
static byte[]	encryptRSAPublic(byte[] input, PublicKey key)
static byte[]	encryptRSAPublicOAEP(byte[] data, PublicKey key)
static byte[]	generateSessionKey()
static byte[]	getAESSignature(byte[] data, byte[] aesKey, byte[] asIv)
static byte[]	getSHA1(byte[] data)
static byte[]	getSHA256(byte[] data)
static byte[]	sign(byte[] data, PublicKey rsaPublicKey)
static byte[]	signRSA_SHA1(byte[] input, PrivateKey key)

Methods inherited from class java.lang.Object

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

Field Detail

ERR_CRYPTO_NO_SUCH_ALGORYTHM

public static final INumberedException.IErrorCode ERR_CRYPTO_NO_SUCH_ALGORYTHM

ERR_CRYPTO_NO_SUCH_PADDING

public static final INumberedException.IErrorCode ERR_CRYPTO_NO_SUCH_PADDING

ERR_CRYPTO_BAD_PADDING

public static final INumberedException.IErrorCode ERR_CRYPTO_BAD_PADDING

ERR_CRYPTO_INVALID_KEY

public static final INumberedException.IErrorCode ERR_CRYPTO_INVALID_KEY

ERR_CRYPTO_ILLEGAL_BLOCK_SIZE

public static final INumberedException.IErrorCode ERR_CRYPTO_ILLEGAL_BLOCK_SIZE

ERR_CRYPTO_DATA_LENGTH_ERROR

public static final INumberedException.IErrorCode ERR_CRYPTO_DATA_LENGTH_ERROR

ERR_CRYPTO_ILLEGAL_STATE

public static final INumberedException.IErrorCode ERR_CRYPTO_ILLEGAL_STATE

ERR_CRYPTO_INVALID_CYPHER_TEXT

public static final INumberedException.IErrorCode ERR_CRYPTO_INVALID_CYPHER_TEXT

ERR_CRYPTO_NO_SUCH_PROVIDER

public static final INumberedException.IErrorCode ERR_CRYPTO_NO_SUCH_PROVIDER

ERR_CRYPTO_UNKNOWN

public static final INumberedException.IErrorCode ERR_CRYPTO_UNKNOWN

Constructor Detail

CryptoUtil

public CryptoUtil()

Method Detail

checkAESSignature

public static final boolean checkAESSignature(byte[] data,
                                              byte[] signature,
                                              byte[] aesKey,
                                              byte[] asIv)
                                       throws NumberedException

Throws:

NumberedException

getAESSignature

public static final byte[] getAESSignature(byte[] data,
                                           byte[] aesKey,
                                           byte[] asIv)
                                    throws NumberedException

Throws:

NumberedException

getSHA1

public static final byte[] getSHA1(byte[] data)
                            throws NumberedException

Throws:

NumberedException

getSHA256

public static final byte[] getSHA256(byte[] data)
                              throws NumberedException

Throws:

NumberedException

generateSessionKey

public static byte[] generateSessionKey()
                                 throws NumberedException

Throws:

NumberedException

checkRSASignature

public static final boolean checkRSASignature(byte[] data,
                                              byte[] signature,
                                              PublicKey rsaPublicKey)

sign

public static byte[] sign(byte[] data,
                          PublicKey rsaPublicKey)

encryptRSAPublicOAEP

public static byte[] encryptRSAPublicOAEP(byte[] data,
                                          PublicKey key)
                                   throws NumberedException

Throws:

NumberedException

signRSA_SHA1

public static byte[] signRSA_SHA1(byte[] input,
                                  PrivateKey key)
                           throws NumberedException

Throws:

NumberedException

encryptRSAPublic

public static byte[] encryptRSAPublic(byte[] input,
                                      PublicKey key)
                               throws NumberedException

Throws:

NumberedException

decryptRSAPrivate

public static byte[] decryptRSAPrivate(byte[] input,
                                       PrivateKey key)
                                throws NumberedException

Throws:

NumberedException

decryptRSAPublic

public static byte[] decryptRSAPublic(byte[] input,
                                      PublicKey key)
                               throws NumberedException

Throws:

NumberedException

encryptAESCBC_NOPAD

public static byte[] encryptAESCBC_NOPAD(byte[] data,
                                         byte[] keyBytes,
                                         byte[] ivBytes)
                                  throws NumberedException

Throws:

NumberedException

decryptAESCBC_NOPAD

public static byte[] decryptAESCBC_NOPAD(byte[] cipherText,
                                         byte[] keyBytes,
                                         byte[] ivBytes)
                                  throws NumberedException

Throws:

NumberedException

encryptAESCBC_PKCS7Padding

public static byte[] encryptAESCBC_PKCS7Padding(byte[] data,
                                                byte[] keyBytes,
                                                byte[] ivBytes)
                                         throws NumberedException

Throws:

NumberedException

decryptAESCBC_PKCS7Padding

public static byte[] decryptAESCBC_PKCS7Padding(byte[] cipherText,
                                                byte[] keyBytes,
                                                byte[] ivBytes)
                                         throws NumberedException

Throws:

NumberedException

encryptAESECB_NOPAD

public static byte[] encryptAESECB_NOPAD(byte[] data,
                                         byte[] keyBytes)
                                  throws NumberedException

Throws:

NumberedException

decryptAESECB_NOPAD

public static byte[] decryptAESECB_NOPAD(byte[] cipherText,
                                         byte[] keyBytes)
                                  throws NumberedException

Throws:

NumberedException

encryptAESECB_PKCS7Padding

public static byte[] encryptAESECB_PKCS7Padding(byte[] data,
                                                byte[] keyBytes)
                                         throws NumberedException

Throws:

NumberedException

decryptAESECB_PKCS7Padding

public static byte[] decryptAESECB_PKCS7Padding(byte[] cipherText,
                                                byte[] keyBytes)
                                         throws NumberedException

Throws:

NumberedException