Package com.poscoict.glueframework.util

Class GlueCipher

java.lang.Object

com.poscoict.glueframework.util.GlueCipher

public class GlueCipher
extends Object

파일/문자열 암복호화 클래스.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_KEY_FILE	Deprecated.
static final String	GLUE_CIPHER_FILE

Constructor Summary

Constructors

Constructor	Description
GlueCipher()

Method Summary

Modifier and Type	Method	Description
static String	decrypt(String encryptedString)	문자열 대칭 복호화.
static String	decrypt(String encryptedString, File key)	복호화
static void	decryptFile(String infile, String outfile)	파일 대칭 복호화.
static void	decryptFile(String infile, String outfile, File key)
static String	encrypt(String unencryptedString)	주어진 문자열을 DEFAULT_KEY_FILE로 암호화.
static String	encrypt(String unencryptedString, File key)	주어진 문자열을 주어진 Key 파일로 암호화.
static void	encryptFile(String infile, String outfile)	파일 대칭 암호화.
static void	encryptFile(String infile, String outfile, File key)
static File	makekey()	Deprecated.
static File	makekey(String filename)	주어진 파일명으로 Key 생성
static void	reset()	Deprecated.

Methods inherited from class java.lang.Object

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

Field Details

GLUE_CIPHER_FILE

public static final String GLUE_CIPHER_FILE

See Also:

• Constant Field Values

DEFAULT_KEY_FILE

@Deprecated
public static final String DEFAULT_KEY_FILE

Deprecated.

See Also:

• Constant Field Values

Constructor Details

GlueCipher

public GlueCipher()

Method Details

reset

@Deprecated
public static void reset()

Deprecated.

새롭게 cipher 객체 생성

makekey

@Deprecated
public static File makekey()
                    throws IOException,
NoSuchAlgorithmException

Deprecated.

비밀키 생성메소드

Returns:

void

Throws:

IOException

NoSuchAlgorithmException

makekey

public static File makekey(String filename)
                    throws IOException,
NoSuchAlgorithmException

주어진 파일명으로 Key 생성

Parameters:

filename - 전체경로

Returns:

key file

Throws:

IOException - I/O Error

NoSuchAlgorithmException - java security Error

encrypt

public static String encrypt(String unencryptedString)
                      throws BadPaddingException,
IllegalBlockSizeException

주어진 문자열을 DEFAULT_KEY_FILE로 암호화.

Parameters:

unencryptedString - 비밀키 암호화를 희망하는 문자열

Returns:

암호화된 문자열

Throws:

BadPaddingException

IllegalBlockSizeException

encrypt

public static String encrypt(String unencryptedString,
 File key)
                      throws NoSuchPaddingException,
NoSuchAlgorithmException,
InvalidKeyException,
BadPaddingException,
IllegalBlockSizeException,
FileNotFoundException

주어진 문자열을 주어진 Key 파일로 암호화.

Parameters:

unencryptedString - 문자열

key - 파일

Returns:

암호화된 문자열

Throws:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

BadPaddingException

IllegalBlockSizeException

FileNotFoundException

decrypt

public static String decrypt(String encryptedString)
                      throws BadPaddingException,
IllegalBlockSizeException

문자열 대칭 복호화.

Parameters:

encryptedString - 비밀키 복호화를 희망하는 문자열

Returns:

String 복호화된 ID

Throws:

BadPaddingException

IllegalBlockSizeException

decrypt

public static String decrypt(String encryptedString,
 File key)
                      throws NoSuchPaddingException,
NoSuchAlgorithmException,
InvalidKeyException,
BadPaddingException,
IllegalBlockSizeException

복호화

Parameters:

encryptedString - 복호화를 희망하는 문자열

key - 비밀키

Returns:

String 복호화된 문자열

Throws:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

BadPaddingException

IllegalBlockSizeException

encryptFile

public static void encryptFile(String infile,
 String outfile)
                        throws IOException

파일 대칭 암호화.

Parameters:

infile - 암호화을 희망하는 파일명

outfile - 암호화된 파일명

Throws:

IOException

encryptFile

public static void encryptFile(String infile,
 String outfile,
 File key)
                        throws NoSuchPaddingException,
NoSuchAlgorithmException,
InvalidKeyException,
IOException

Parameters:

infile -

outfile -

key -

Throws:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

IOException

decryptFile

public static void decryptFile(String infile,
 String outfile)
                        throws IOException

파일 대칭 복호화.

Parameters:

infile - 복호화을 희망하는 파일명

outfile - 복호화된 파일명

Throws:

IOException

decryptFile

public static void decryptFile(String infile,
 String outfile,
 File key)
                        throws NoSuchPaddingException,
NoSuchAlgorithmException,
InvalidKeyException,
IOException

Throws:

NoSuchPaddingException

NoSuchAlgorithmException

InvalidKeyException

IOException