JavaTM 2 Platform
Standard Ed. 5.0

javax.crypto
Ŭ·¡½º SecretKeyFactory

java.lang.Object 
  »óÀ§¸¦ È®Àå javax.crypto.SecretKeyFactory

public class SecretKeyFactory
extends Object

ÀÌ Å¬·¡½º´Â ºñ¹ÐÅ°ÀÇ ÆÑÅ丮¸¦ ³ªÅ¸³À´Ï´Ù.

Å° ÆÑÅ丮´Â Key ÇüÀÇ ºÒÅõ¸íÇÑ ¾ÏȣŰÀÎ ¡¸Å°¡¹¶ó°í, ±âº»ÀÇ Å° µ¥ÀÌÅÍÀÇ Åõ¸íÇÑ Ç¥ÇöÀÎ ¡¸Å° »ç¾ç¡¹À̶ó´Â »çÀÌÀÇ º¯È¯À» ½Ç½ÃÇϱâ À§Çؼ­ »ç¿ëÇÕ´Ï´Ù. ºñ¹ÐÅ° ÆÑÅ丮ÀÇ Á¶ÀÛÀº ºñ¹Ð (´ëĪ) Å°ÀÎ ¸¸Å­ ½Ç½ÃÇÕ´Ï´Ù

Å° ÆÑÅ丮´Â ½Ö¹æÇ⼺ÀÔ´Ï´Ù. Áï, ÁöÁ¤ÇÑ Å° »ç¾ç (Å° µ¥ÀÌÅÍ)À¸·ÎºÎÅÍ ºÒÅõ¸íÇÑ Å° °´Ã¼¸¦ ±¸ÃàÇÏ´Â Àϵµ, ÀûÀýÇÑ Çü½Ä¿¡¼­ Å° °´Ã¼ÀÇ ±âº»ÀÇ Å° µ¥ÀÌŸ¸¦ »Ì±â ½ÃÀÛÇÒ ¼öµµ ÀÖ½À´Ï´Ù.

¾îÇø®ÄÉÀÌ¼Ç °³¹ßÀÚ´Â ÇÁ·Î¹ÙÀÌ´õÀÇ ¹®¼­¸¦ ÂüÁ¶ÇØ, generateSecret ¹× getKeySpec ¸Þ¼­µå·Î Áö¿ø µÇ°í ÀÖ´Â Å° »ç¾çÀ» È®ÀÎÇÒ ÇÊ¿ä°¡ ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¾î ¡¸SunJCE¡¹ÇÁ·Î¹ÙÀÌ´õ°¡ Á¦°øÇÏ´Â DES ºñ¹ÐÅ° ÆÑÅ丮´Â DESKeySpec¸¦ DES Å°ÀÇ Åõ¸íÇÑ Ç¥ÇöÀ¸·Î¼­ Áö¿øÀÇÇØ ±× ÇÁ·Î¹ÙÀÌ´õÀÇ Triple DES Å°ÀÇ ºñ¹ÐÅ° ÆÑÅ丮´Â DESedeKeySpec¸¦ Triple DES Å°ÀÇ Åõ¸íÇÑ Ç¥ÇöÀ¸·Î¼­ Áö¿ø ÇÕ´Ï´Ù.

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
SecretKey, DESKeySpec, DESedeKeySpec, PBEKeySpec

»ý¼ºÀÚ °³¿ä
protected SecretKeyFactory (SecretKeyFactorySpi  keyFacSpi, Provider  provider, String  algorithm)
          SecretKeyFactory °´Ã¼¸¦ ÀÛ¼ºÇÕ´Ï´Ù.
 
¸Þ¼­µå °³¿ä
 SecretKey generateSecret (KeySpec  keySpec)
          ÁöÁ¤µÈ Å° »ç¾ç (Å° µ¥ÀÌÅÍ)À¸·ÎºÎÅÍ SecretKey °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù.
 String getAlgorithm ()
          ÀÌ SecretKeyFactory °´Ã¼ÀÇ ¾Ë°í¸®Áò¸íÀ» ¸®ÅÏÇÕ´Ï´Ù.
static SecretKeyFactory getInstance (String  algorithm)
          ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù.
static SecretKeyFactory getInstance (String  algorithm, Provider  provider)
          ÁöÁ¤µÈ ÇÁ·Î¹ÙÀÌ´õ·ÎºÎÅÍ, ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù.
static SecretKeyFactory getInstance (String  algorithm, String  provider)
          ÁöÁ¤µÈ ÇÁ·Î¹ÙÀÌ´õ·ÎºÎÅÍ, ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼¸¦ ÀÛ¼ºÇÕ´Ï´Ù.
 KeySpec getKeySpec (SecretKey  key, Class  keySpec)
          ÁöÁ¤µÈ Å° °´Ã¼ÀÇ »ç¾ç (Å° µ¥ÀÌÅÍ)ÀÌ ¿ä±¸µÈ Çü½Ä¿¡¼­ ¸®ÅÏÇÕ´Ï´Ù.
 Provider getProvider ()
          ÀÌ SecretKeyFactory °´Ã¼ÀÇ ÇÁ·Î¹ÙÀÌ´õ¸¦ ¸®ÅÏÇÕ´Ï´Ù.
 SecretKey translateKey (SecretKey  key)
          ÇÁ·Î¹ÙÀÌ´õ°¡ ¹ÌÁöÀÎÁö, ½Å·ÚÇÒ ¼ö ¾øÀ» °¡´É¼ºÀÌ ÀÖ´Â Å° °´Ã¼¸¦, ÀÌ ºñ¹ÐÅ° ÆÑÅ丮ÀÇ ´ëÀÀÇÏ´Â Å° °´Ã¼·Î º¯È¯ÇÕ´Ï´Ù.
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

»ý¼ºÀÚ »ó¼¼

SecretKeyFactory

protected SecretKeyFactory(SecretKeyFactorySpi  keyFacSpi,
                           Provider  provider,
                           String  algorithm)
SecretKeyFactory °´Ã¼¸¦ ÀÛ¼ºÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
keyFacSpi - À§¾çó
provider - ÇÁ·Î¹ÙÀÌ´õ
algorithm - ºñ¹ÐÅ° ¾Ë°í¸®Áò
¸Þ¼­µåÀÇ »ó¼¼

getInstance

public static final SecretKeyFactory  getInstance(String  algorithm)
                                          throws NoSuchAlgorithmException 
ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù. µðÆúÆ®ÀÇ ÇÁ·Î¹ÙÀÌ´õÀÇ ÆÐÅ°Áö°¡ ¿ä±¸µÈ ÆÑÅ丮ÀÇ ±¸ÇöÀ» Á¦°øÇÏ°í ÀÖ´Â °æ¿ì´Â ±× ±¸ÇöÀ» °¡Áø SecretKeyFactory Ŭ·¡½ºÀÇ ÀνºÅϽº°¡ ¸®Åϵ˴ϴ٠. ¿ä±¸µÈ ÆÑÅ丮°¡ µðÆúÆ®ÀÇ ÆÐÅ°Áö·Î ¾òÀ» ¼ö ¾ø´Â °æ¿ì´Â ´Ù¸¥ ÇÁ·Î¹ÙÀÌ´õ ÆÐÅ°Áö°¡ °Ë»öµË´Ï´Ù.

ÆĶó¹ÌÅÍ:
algorithm - ¿ä±¸µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ Ç¥ÁØÀûÀÎ À̸§. ¾Ë°í¸®ÁòÀÇ Ç¥ÁØ¸í¿¡ ´ëÇؼ­´Â ¡¸Java ¾Ïȣȭ È®Àå ±â´É ·¹ÆÛ·±½º °¡À̵塹ÀÇ ºÎ·Ï A¸¦ ÂüÁ¶
¹Ýȯ°ª:
ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼
¿¹¿Ü:
NullPointerException - ÁöÁ¤µÈ ¾Ë°í¸®ÁòÀÌ nullÀÎ °æ¿ì
NoSuchAlgorithmException - ÁöÁ¤µÈ ¾Ë°í¸®ÁòÀÇ ºñ¹ÐÅ° ÆÑÅ丮°¡ µðÆúÆ®ÀÇ ÇÁ·Î¹ÙÀÌ´õ ÆÐÅ°Áö¿¡µµ, °Ë»öÇÑ °Í ¿ÜÀÇ ÇÁ·Î¹ÙÀÌ´õ ÆÐÅ°Áö¿¡µµ ¾ø´Â °æ¿ì

getInstance

public static final SecretKeyFactory  getInstance(String  algorithm,
                                                 String  provider)
                                          throws NoSuchAlgorithmException,

                                                 NoSuchProviderException 
ÁöÁ¤µÈ ÇÁ·Î¹ÙÀÌ´õ·ÎºÎÅÍ, ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼¸¦ ÀÛ¼ºÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
algorithm - ¿ä±¸µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ Ç¥ÁØÀûÀÎ À̸§. ¾Ë°í¸®ÁòÀÇ Ç¥ÁØ¸í¿¡ ´ëÇؼ­´Â ¡¸Java ¾Ïȣȭ È®Àå ±â´É ·¹ÆÛ·±½º °¡À̵塹ÀÇ ºÎ·Ï A¸¦ ÂüÁ¶
provider - ÇÁ·Î¹ÙÀÌ´õ¸í
¹Ýȯ°ª:
ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼
¿¹¿Ü:
NoSuchAlgorithmException - ÁöÁ¤µÈ ÇÁ·Î¹ÙÀÌ´õ·Î ÁöÁ¤µÈ ¾Ë°í¸®ÁòÀÇ ºñ¹ÐÅ° ÆÑÅ丮°¡ ¾ø´Â °æ¿ì
NullPointerException - ÁöÁ¤µÈ ¾Ë°í¸®ÁòÀÌ nullÀÎ °æ¿ì
NoSuchProviderException - ÁöÁ¤µÈ ÇÁ·Î¹ÙÀÌ´õ°¡ ¼³Á¤µÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì
IllegalArgumentException - provider°¡ nullÀÎ °æ¿ì

getInstance

public static final SecretKeyFactory  getInstance(String  algorithm,
                                                 Provider  provider)
                                          throws NoSuchAlgorithmException 
ÁöÁ¤µÈ ÇÁ·Î¹ÙÀÌ´õ·ÎºÎÅÍ, ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù. provider´Â µî·ÏµÇ¾î ÀÖÀ» ÇÊ¿ä´Â ¾ø´Â °Í¿¡ ÁÖÀÇÇØ ÁÖ¼¼¿ä.

ÆĶó¹ÌÅÍ:
algorithm - ¿ä±¸µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ Ç¥ÁØÀûÀÎ À̸§. ¾Ë°í¸®ÁòÀÇ Ç¥ÁØ¸í¿¡ ´ëÇؼ­´Â ¡¸Java ¾Ïȣȭ È®Àå ±â´É ·¹ÆÛ·±½º °¡À̵塹ÀÇ ºÎ·Ï A¸¦ ÂüÁ¶
provider - ÇÁ·Î¹ÙÀÌ´õ
¹Ýȯ°ª:
ÁöÁ¤µÈ ºñ¹ÐÅ° ¾Ë°í¸®ÁòÀÇ SecretKeyFactory °´Ã¼
¿¹¿Ü:
NullPointerException - ÁöÁ¤µÈ ¾Ë°í¸®ÁòÀÌ nullÀÎ °æ¿ì
NoSuchAlgorithmException - ÁöÁ¤µÈ ÇÁ·Î¹ÙÀÌ´õ·Î ÁöÁ¤µÈ ¾Ë°í¸®ÁòÀÇ ºñ¹ÐÅ° ÆÑÅ丮°¡ ¾ø´Â °æ¿ì
IllegalArgumentException - provider°¡ nullÀÎ °æ¿ì

getProvider

public final Provider  getProvider()
ÀÌ SecretKeyFactory °´Ã¼ÀÇ ÇÁ·Î¹ÙÀÌ´õ¸¦ ¸®ÅÏÇÕ´Ï´Ù.

¹Ýȯ°ª:
ÀÌ SecretKeyFactory °´Ã¼ÀÇ ÇÁ·Î¹ÙÀÌ´õ

getAlgorithm

public final String  getAlgorithm()
ÀÌ SecretKeyFactory °´Ã¼ÀÇ ¾Ë°í¸®Áò¸íÀ» ¸®ÅÏÇÕ´Ï´Ù.

ÀÌ°ÍÀº ÀÌ SecretKeyFactory °´Ã¼¸¦ ÀÛ¼ºÇÑ getInstance È£ÃâÀÇ 1°³ ·Î ÁöÁ¤µÈ À̸§°ú °°½À´Ï´Ù.

¹Ýȯ°ª:
ÀÌ SecretKeyFactory °´Ã¼ÀÇ ¾Ë°í¸®Áò¸í

generateSecret

public final SecretKey  generateSecret(KeySpec  keySpec)
                               throws InvalidKeySpecException 
ÁöÁ¤µÈ Å° »ç¾ç (Å° µ¥ÀÌÅÍ)À¸·ÎºÎÅÍ SecretKey °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
keySpec - ºñ¹ÐÅ°ÀÇ »ç¾ç (Å° µ¥ÀÌÅÍ)
¹Ýȯ°ª:
ºñ¹ÐÅ°
¿¹¿Ü:
InvalidKeySpecException - ÁöÁ¤µÈ Å° »ç¾çÀÌ ÀÌ ºñ¹ÐÅ° ÆÑÅ丮¿¡ ÇÑ ºñ¹ÐÅ°ÀÇ »ý¼º¿¡ ºÎÀûÀýÇÑ °æ¿ì

getKeySpec

public final KeySpec  getKeySpec(SecretKey  key,
                                Class  keySpec)
                         throws InvalidKeySpecException 
ÁöÁ¤µÈ Å° °´Ã¼ÀÇ »ç¾ç (Å° µ¥ÀÌÅÍ)ÀÌ ¿ä±¸µÈ Çü½Ä¿¡¼­ ¸®ÅÏÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
key - Å°
keySpec - Å° µ¥ÀÌÅÍ°¡ ¸®ÅϵȴÙ, ¿ä±¸µÈ Çü½Ä
¹Ýȯ°ª:
¿ä±¸µÈ Çü½Ä¿¡¼­ÀÇ ±âº»ÀÌ µÇ´Â Å° »ç¾ç (Å° µ¥ÀÌÅÍ)
¿¹¿Ü:
InvalidKeySpecException - ¿ä±¸µÈ Å° »ç¾çÀÌ ÁöÁ¤µÈ Å°¿¡ ºÎÀûÀý (¿¹¸¦ µé¾î, key¿Í keySpec¿¡ °ü·ÃµÈ ¾Ë°í¸®ÁòÀÌ ÀÏÄ¡ÇÏÁö ¾Ê´Â ȤÀº key´Â ¾Ïȣȭ Çϵå¿þ¾î µð¹ÙÀ̽ºÀÇ Å°¸¦ ÂüÁ¶ÇÏÁö¸¸, keySpec´Â ¼ÒÇÁÆ®¿þ¾î º£À̽ºÀÇ Å°ÀÇ »ç¾çÀÌ´Ù)ÀÎ °æ¿ì, ȤÀº ÁöÁ¤µÈ Å°¸¦ Ãë±ÞÇÒ ¼ö ¾ø´Â °æ¿ì (¿¹¸¦ µé¾î ÁöÁ¤µÈ Å°ÀÇ ¾Ë°í¸®Áò ¶Ç´Â Çü½ÄÀÌ ÀÌ ºñ¹ÐÅ° ÆÑÅ丮·Î Áö¿ø µÇ¾î ÀÖÁö ¾Ê´Ù)

translateKey

public final SecretKey  translateKey(SecretKey  key)
                             throws InvalidKeyException 
ÇÁ·Î¹ÙÀÌ´õ°¡ ¹ÌÁöÀÎÁö, ½Å·ÚÇÒ ¼ö ¾øÀ» °¡´É¼ºÀÌ ÀÖ´Â Å° °´Ã¼¸¦, ÀÌ ºñ¹ÐÅ° ÆÑÅ丮ÀÇ ´ëÀÀÇÏ´Â Å° °´Ã¼·Î º¯È¯ÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
key - ÇÁ·Î¹ÙÀÌ´õ°¡ ¹ÌÁöÀÎÁö, ½Å·ÚÇÒ ¼ö ¾ø´Â Å°
¹Ýȯ°ª:
º¯È¯µÈ Å°
¿¹¿Ü:
InvalidKeyException - ÁöÁ¤µÈ Å°¸¦ ÀÌ ºñ¹ÐÅ° ÆÑÅ丮·Î ó¸®ÇÒ ¼ö ¾ø´Â °æ¿ì

JavaTM 2 Platform
Standard Ed. 5.0

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms . Documentation Redistribution Policy µµ ÂüÁ¶ÇϽʽÿÀ.