|
JavaTM 2 Platform Standard Ed. 5.0 |
|||||||||
ÀÌÀü Ŭ·¡½º ´ÙÀ½ÀÇ Å¬·¡½º | ÇÁ·¹ÀÓÀ¸·Î ÇÁ·¹ÀÓ ¾øÀÌ | |||||||||
°³¿ä: NESTED | Çʵå | constructor | ¸Þ¼µå | »ó¼¼: Çʵå | »ý¼ºÀÚ | ¸Þ¼µå |
java.lang.Objectjavax.crypto.spec.SecretKeySpec
public class SecretKeySpec
ÇÁ·Î¹ÙÀÌ´õ¿¡ Á¸ÇÏÁö ¾Ê´Â Çü½Ä¿¡¼ ºñ¹Ð۸¦ ÁöÁ¤ÇÕ´Ï´Ù.
ÀÌ Å¬·¡½º¸¦ »ç¿ëÇØ, ¹ÙÀÌÆ® ¹è¿·ÎºÎÅÍ SecretKey
¸¦
±¸ÃàÇÒ ¼ö°¡ ÀÖ¾î ÇÁ·Î¹ÙÀÌ´õ º£À̽ºÀÇ SecretKeyFactory
¸¦
»ç¿ëÇÒ Çʿ䰡 ¾ø½À´Ï´Ù.
ÀÌ Å¬·¡½º´Â ¹ÙÀÌÆ® ¹è¿·Î¼ ³ªÅ¸³¾ ¼ö°¡ ÀÖ¾î DES ³ª Triple DES Ű µî, ºñ¹ÐŰ¿¡ °ü·ÃÇÑ Å° ÆÄ¶ó¹ÌÅͰ¡ ¾ø´Â »ýÀÇ ºñ¹ÐŰ¿¡ ´ëÇØ¼¸¸ À¯È¿ÇÕ´Ï´Ù.
SecretKey
,
SecretKeyFactory
,
Á÷·ÄÈ µÈ Çü½Ä ÇÊµå °³¿ä |
---|
ÀÎÅÍÆäÀ̽º javax.crypto. SecretKey ·ÎºÎÅÍ »ó¼ÓµÈ Çʵå |
---|
serialVersionUID |
»ý¼ºÀÚ °³¿ä | |
---|---|
SecretKeySpec (byte[] key,
int offset,
int len,
String algorithm)
offset ·ÎºÎÅÍ ½ÃÀ۵Ǵ key
ÃÖÃÊÀÇ len ¹ÙÀÌÆ®¸¦ »ç¿ëÇØ, ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿·ÎºÎÅÍ ºñ¹Ð۸¦ ±¸ÃàÇÕ´Ï´Ù. |
|
SecretKeySpec (byte[] key,
String algorithm)
ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿·ÎºÎÅÍ ºñ¹Ð۸¦ ±¸ÃàÇÕ´Ï´Ù. |
¸Þ¼µå °³¿ä | |
---|---|
boolean |
equals (Object obj)
ÁöÁ¤ÀÇ ¿ÀºêÁ§Æ®¿Í ÀÌ ¿ÀºêÁ§Æ®ÀÇ »çÀÌÀÇ µî°¡¼ºÀ» Å×½ºÆ®ÇÕ´Ï´Ù. |
String |
getAlgorithm ()
ÀÌ ºñ¹ÐŰ¿¡ °ü·ÃÇÑ ¾Ë°í¸®ÁòÀÇ À̸§À» µ¹·ÁÁÝ´Ï´Ù. |
byte[] |
getEncoded ()
ÀÌ ºñ¹ÐŰÀÇ Å° µ¥ÀÌÅ͸¦ µ¹·ÁÁÝ´Ï´Ù. |
String |
getFormat ()
ÀÌ ºñ¹ÐŰÀÇ encode Çü½ÄÀÇ À̸§À» µ¹·ÁÁÝ´Ï´Ù. |
int |
hashCode ()
¿ÀºêÁ§Æ®ÀÇ ÇØ½Ã ÄÚµåÄ¡¸¦ °è»êÇÕ´Ï´Ù. |
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼µå |
---|
clone,
finalize,
getClass,
notify,
notifyAll,
toString,
wait,
wait,
wait |
»ý¼ºÀÚ »ó¼¼ |
---|
public SecretKeySpec(byte[] key, String algorithm)
ÀÌ »ý¼ºÀÚ´Â
ÁöÁ¤µÈ ¹ÙÀÌÆ®°¡ ÁöÁ¤µÈ ¾Ë°í¸®ÁòÀÇ ºñ¹Ð۸¦ ½ÇÁ¦·Î ÁöÁ¤ÇÒÁö ¾î¶³Áö´Â ÆÇÁ¤ÇÏÁö ¾Ê½À´Ï´Ù. ¿¹¸¦ µé¾î, ¾Ë°í¸®ÁòÀÌ DES
°æ¿ì, ÀÌ »ý¼ºÀÚ´Â key
°¡ 8 ¹ÙÀÌÆ®ÀÇ ±æÀÌÀÏÁö ¾î¶³Áö¸¦ ÆÇÁ¤ÇÏÁö ¾Ê°í, ¹Ì¸¸ ¶Ç´Â ¹Ý¾àÀÇ Å°ÀÏÁö ¾î¶³Áöµµ ÆÇÁ¤ÇÏÁö ¾Ê½À´Ï´Ù. ÀÌ·¯ÇÑ ÆÇÁ¤À» ½Ç½ÃÇϱâ À§Çؼ´Â
¾Ë°í¸®Áò¿¡ ƯÁ¤ÀÇ ¡¸Å° »ç¾ç¡¹Å¬·¡½º (ÀÌ °æ¿ì´Â DESKeySpec
)¸¦ »ç¿ëÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù.
key
- ºñ¹ÐŰÀÇ Å° µ¥ÀÌÅÍ. ¹è¿ÀÇ ³»¿ëÀº ÇâÈÄ º¯°æµÇÁö ¾Ê°Ô º¸È£ÇÏ´Â ¸ñÀûÀ¸·Î Ä«ÇǵǴÂalgorithm
- ÁöÁ¤µÈ Ű µ¥ÀÌÅÍ¿¡ °ü·ÃµÈ ºñ¹ÐŰ ¾Ë°í¸®ÁòÀÇ À̸§. ¾Ë°í¸®ÁòÀÇ Ç¥ÁØ¸í¿¡ ´ëÇØ¼´Â
¡¸Java Cryptography Extension Reference Guide¡¹ÀÇ ºÎ·Ï A¸¦
ÂüÁ¶
IllegalArgumentException
- algorithm
°¡ null ¶Ç´Â key
°¡ null ¶Ç´Â ÇÏ´ÃÀÇ °æ¿ìpublic SecretKeySpec(byte[] key, int offset, int len, String algorithm)
offset
·ÎºÎÅÍ ½ÃÀ۵Ǵ key
ÃÖÃÊÀÇ len
¹ÙÀÌÆ®¸¦ »ç¿ëÇØ, ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿·ÎºÎÅÍ ºñ¹Ð۸¦ ±¸ÃàÇÕ´Ï´Ù.
ºñ¹Ð۸¦ ±¸¼ºÇÏ´Â ¹ÙÀÌÆ®´Â
key[offset]
·ÎºÎÅÍ key[offset+len-1]
±îÁöÀÇ ¹ÙÀÌÆ®ÀÔ´Ï´Ù.
ÀÌ »ý¼ºÀÚ´Â
ÁöÁ¤µÈ ¹ÙÀÌÆ®°¡ ÁöÁ¤µÈ ¾Ë°í¸®ÁòÀÇ ºñ¹Ð۸¦ ½ÇÁ¦·Î ÁöÁ¤ÇÒÁö ¾î¶³Áö´Â ÆÇÁ¤ÇÏÁö ¾Ê½À´Ï´Ù. ¿¹¸¦ µé¾î, ¾Ë°í¸®ÁòÀÌ DES
°æ¿ì, ÀÌ »ý¼ºÀÚ´Â key
°¡ 8 ¹ÙÀÌÆ®ÀÇ ±æÀÌÀÏÁö ¾î¶³Áö¸¦ ÆÇÁ¤ÇÏÁö ¾Ê°í, ¹Ì¸¸ ¶Ç´Â ¹Ý¾àÀÇ Å°ÀÏÁö ¾î¶³Áöµµ ÆÇÁ¤ÇÏÁö ¾Ê½À´Ï´Ù. ÀÌ·¯ÇÑ ÆÇÁ¤À» ½Ç½ÃÇϱâ À§Çؼ´Â
¾Ë°í¸®Áò¿¡ ƯÁ¤ÀÇ ¡¸Å° »ç¾ç¡¹Å¬·¡½º (ÀÌ °æ¿ì´Â DESKeySpec
)¸¦ »ç¿ëÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù.
key
- ºñ¹ÐŰÀÇ Å° µ¥ÀÌÅÍ. offset
·Î ½ÃÀ۵Ǵ ¹è¿ÀÇ ÃÖÃÊÀÇ len
¹ÙÀÌÆ®´Â
ÇâÈÄ º¯°æµÇÁö ¾Ê°Ô º¸È£ÇÏ´Â ¸ñÀûÀ¸·Î Ä«ÇǵǴÂoffset
- Ű µ¥ÀÌÅͰ¡ ½ÃÀ۵Ǵ key
³»ÀÇ ¿ÀÇÁ¼Â(offset)len
- Ű µ¥ÀÌÅÍÀÇ ±æÀÌalgorithm
- ÁöÁ¤µÈ Ű µ¥ÀÌÅÍ¿¡ °ü·ÃµÈ ºñ¹ÐŰ ¾Ë°í¸®ÁòÀÇ À̸§. ¾Ë°í¸®ÁòÀÇ Ç¥ÁØ¸í¿¡ ´ëÇØ¼´Â
¡¸Java Cryptography Extension Reference Guide¡¹ÀÇ ºÎ·Ï A¸¦
ÂüÁ¶
IllegalArgumentException
- algorithm
°¡ null ¶Ç´Â key
°¡ null, ÇÏ´Ã, ¶Ç´Â ³Ê¹« ªÀº °æ¿ì. ¿¹: key.length-offset
.
ArrayIndexOutOfBoundsException
- offset
¶Ç´Â len
À妽º ¹ÙÀÌÆ®°¡ key
¿ÜºÎÀÇ °æ¿ì´Â Throw µÈ´Ù¸Þ¼µåÀÇ »ó¼¼ |
---|
public String getAlgorithm()
Key
³»ÀÇ getAlgorithm
public String getFormat()
Key
³»ÀÇ getFormat
public byte[] getEncoded()
Key
³»ÀÇ getEncoded
public int hashCode()
Object
³»ÀÇ hashCode
Object.equals(java.lang.Object)
,
Hashtable
public boolean equals(Object obj)
Object
³»ÀÇ equals
obj
- ÀÌ ¿ÀºêÁ§Æ®¿Í µ¿ÀÏÇÑÁö ¾î¶²Áö°¡ ÆÇÁ¤µÇ´Â ¿ÀºêÁ§Æ®
obj
°¡ null ¶Ç´Â ±× ¿ÜÀÇ °æ¿ì´Â falseObject.hashCode()
,
Hashtable
|
JavaTM 2 Platform Standard Ed. 5.0 |
|||||||||
ÀÌÀü Ŭ·¡½º ´ÙÀ½ÀÇ Å¬·¡½º | ÇÁ·¹ÀÓÀ¸·Î ÇÁ·¹ÀÓ ¾øÀÌ | |||||||||
°³¿ä: NESTED | Çʵå | constructor | ¸Þ¼µå | »ó¼¼: Çʵå | »ý¼ºÀÚ | ¸Þ¼µå |
Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms . Documentation Redistribution Policy µµ ÂüÁ¶ÇϽʽÿÀ.