JavaTM 2 Platform
Standard Ed. 5.0

javax.crypto
Ŭ·¡½º CipherOutputStream

java.lang.Object 
  »óÀ§¸¦ È®Àå java.io.OutputStream 
      »óÀ§¸¦ È®Àå java.io.FilterOutputStream 
          »óÀ§¸¦ È®Àå javax.crypto.CipherOutputStream
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
Closeable, Flushable

public class CipherOutputStream
extends FilterOutputStream

CipherOutputStream´Â OutputStream¿Í Cipher ·Î ±¸¼ºµÇ¾î ÀÖÀ¸¹Ç·Î write() ¸Þ¼­µå´Â ¿ì¼± µ¥ÀÌÅ͸¦ ó¸®ÇÏ°í ³ª¼­ ±âº»ÀÌ µÇ´Â OutputStream¿¡ Ãâ·ÂÇÕ´Ï´Ù. Cipher´Â ¿ÏÀüÇÏ°Ô ÃʱâÈ­ÇÏÁö ¾ÊÀ¸¸é, CipherOutputStream ·Î »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.

¿¹¸¦ µé¾î Cipher°¡ ¾Ïȣȭ¿ëÀ¸·Î ÃʱâÈ­µÇ°í ÀÖÀ¸¸é, CipherOutputStream´Â ¾ÏȣȭµÈ µ¥ÀÌÅ͸¦ Ãâ·ÂÇϱâ Àü¿¡ µ¥ÀÌÅ͸¦ ¾ÏȣȭÇÏ·Á°í ÇÕ´Ï´Ù.

ÀÌ Å¬·¡½º´Â »óÀ§ Ŭ·¡½º java.io.OutputStream ¹× java.io.FilterOutputStream ½Ã¸àƽ½º, ƯÈ÷ ½ÇÆÐ ½Ã¸àƽ½º¿¡ ¾ö¹ÐÇÏ°Ô µû¸¨´Ï´Ù. ÀÌ Å¬·¡½º¿¡¼­´Â ±×·¯ÇÑ ¸Þ¼­µå´Â »óÀ§ Ŭ·¡½º¿¡¼­ ¾ö¹ÐÇÏ°Ô ÁöÁ¤µÇ°í ÀÖ¾î ¸ðµÎ ¿À¹ö¶óÀ̵å(override) µË´Ï´Ù. °Ô´Ù°¡ ÀÌ Å¬·¡½º´Â »óÀ§ Ŭ·¡½º¿¡¼­ Throw µÇÁö ¾Ê´Â ¸ðµç ¿¹¿Ü¸¦ ijġ ÇÕ´Ï´Ù.

ÀÌ Å¬·¡½º¸¦ »ç¿ëÇÏ´Â ÇÁ·Î±×·¡¸Ó´Â ÀÌ Å¬·¡½º¿¡¼­ Á¤ÀǵǾî ÀÖÁö ¾ÊÀº ¸Þ¼­µå, ¶Ç´Â ¿À¹ö¶óÀ̵å(override)µÇ¾î ÀÖÁö ¾ÊÀº ¸Þ¼­µå (»õ·Î¿î ¸Þ¼­µå³ª, ³ªÁß¿¡ ½´ÆÛ Å¬·¡½ºÀÇ 1°³¿¡ Ãß°¡µÇ´Â »ý¼ºÀÚ µî)¸¦ Àý´ë·Î »ç¿ëÇÏÁö ¸»¾Æ ÁÖ¼¼¿ä. ±×·¯ÇÑ ¸Þ¼­µåÀÇ ¼³°è¿Í ±¸Çö¿¡¼­´Â CipherOutputStream¿¡ °üÇÑ º¸¾È»óÀÇ ¿µÇâÀÌ °í·ÁµÇ¾î ÀÖÁö ¾ÊÀ» °¡´É¼ºÀÌ Àֱ⠶§¹®¿¡ÀÔ´Ï´Ù.

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
OutputStream, FilterOutputStream, Cipher, CipherInputStream

ÇÊµå °³¿ä
 
Ŭ·¡½º java.io. FilterOutputStream ·ÎºÎÅÍ »ó¼ÓµÈ Çʵå
out
 
»ý¼ºÀÚ °³¿ä
protected CipherOutputStream (OutputStream  os)
          OutputStream ·ÎºÎÅÍ Cipher¸¦ ÁöÁ¤ÇÏÁö ¾Ê°í CipherOutputStream¸¦ ±¸ÃàÇÕ´Ï´Ù.
  CipherOutputStream (OutputStream  os, Cipher  c)
          OutputStream ¹× Cipher ·ÎºÎÅÍ CipherOutputStream¸¦ ±¸ÃàÇÕ´Ï´Ù.
 
¸Þ¼­µå °³¿ä
 void close ()
          Ãâ·Â ½ºÆ®¸²À» ´Ý¾Æ ÀÌ ½ºÆ®¸²¿¡ °ü·ÃµÈ ¸ðµç system resource¸¦ ÇعæÇÕ´Ï´Ù.
 void flush ()
          Ä¸½¶È­µÈ ¾ÏÈ£ °´Ã¼¿¡ ÀÇÇØ ÀÌ¹Ì Ã³¸®µÈ, ¹öÆÛ¿¡ Æ÷ÇÔµÈ Ãâ·Â ¹ÙÀÌÆ®¸¦ °­Á¦ÀûÀ¸·Î ½á³», ÀÌ Ãâ·Â ½ºÆ®¸²À» Ç÷¡½Ã ÇÕ´Ï´Ù.
 void write (byte[] b)
          ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿­ÀÇ b.length ¹ÙÀÌÆ®¸¦ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ Ãâ·ÂÇÕ´Ï´Ù.
 void write (byte[] b, int off, int len)
          ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿­ÀÇ, ¿ÀÇÁ¼Â(offset) À§Ä¡ off·Î ºÎÅÍ ½ÃÀ۵Ǵ len ¹ÙÀÌÆ®¸¦ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ Ãâ·ÂÇÕ´Ï´Ù.
 void write (int b)
          ÁöÁ¤µÈ ¹ÙÀÌÆ®¸¦ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ Ãâ·ÂÇÕ´Ï´Ù.
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

»ý¼ºÀÚ »ó¼¼

CipherOutputStream

public CipherOutputStream(OutputStream  os,
                          Cipher  c)
OutputStream ¹× Cipher ·ÎºÎÅÍ CipherOutputStream¸¦ ±¸ÃàÇÕ´Ï´Ù.
ÁÖ: ÁöÁ¤µÈ Ãâ·Â ½ºÆ®¸² ¶Ç´Â ¾ÏÈ£°¡ nullÀÎ °æ¿ì, ³ªÁß¿¡ À̰͵éÀ» »ç¿ëÇÒ °æ¿ì¿¡ NullPointerException°¡ ¹ß»ýµÇ´Â ÀÏÀÌ ÀÖ½À´Ï´Ù.

ÆĶó¹ÌÅÍ:
os - OutputStream °´Ã¼
c - ÃʱâÈ­µÈ Cipher °´Ã¼

CipherOutputStream

protected CipherOutputStream(OutputStream  os)
OutputStream ·ÎºÎÅÍ Cipher¸¦ ÁöÁ¤ÇÏÁö ¾Ê°í CipherOutputStream¸¦ ±¸ÃàÇÕ´Ï´Ù. ÀÌ°ÍÀº NullCipher¸¦ »ç¿ëÇØ CipherOutputStream¸¦ ±¸ÃàÇÏ´Â È¿°ú¸¦ °¡Áý´Ï´Ù.
ÁÖ: ÁöÁ¤µÈ Ãâ·Â ½ºÆ®¸²ÀÌ nullÀÎ °æ¿ì, ³ªÁß¿¡ ±×°ÍÀ» »ç¿ëÇÒ °æ¿ì¿¡ NullPointerException°¡ ¹ß»ýµÇ´Â ÀÏÀÌ ÀÖ½À´Ï´Ù.

ÆĶó¹ÌÅÍ:
os - OutputStream °´Ã¼
¸Þ¼­µåÀÇ »ó¼¼

write

public void write(int b)
           throws IOException 
ÁöÁ¤µÈ ¹ÙÀÌÆ®¸¦ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ Ãâ·ÂÇÕ´Ï´Ù.

¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º FilterOutputStream ³»ÀÇ write
ÆĶó¹ÌÅÍ:
b - byte
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÀü :
JCE1. 2

write

public void write(byte[] b)
           throws IOException 
ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿­ÀÇ b.length ¹ÙÀÌÆ®¸¦ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ Ãâ·ÂÇÕ´Ï´Ù.

CipherOutputStream write ¸Þ¼­µå´Â Àμö b, 0 ¹× b.length¸¦ ÁöÁ¤ÇØ 3°³ÀÇ Àμö¸¦ ÃëÇÏ´Â write ¸Þ¼­µå¸¦ È£ÃâÇÕ´Ï´Ù.

¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º FilterOutputStream ³»ÀÇ write
ÆĶó¹ÌÅÍ:
b - µ¥ÀÌÅÍ
¿¹¿Ü:
NullPointerException - b°¡ nullÀÎ °æ¿ì
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÀü :
JCE1. 2
°ü·Ã Ç׸ñ:
write(byte[], int, int)

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException 
ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿­ÀÇ, ¿ÀÇÁ¼Â(offset) À§Ä¡ off·Î ºÎÅÍ ½ÃÀ۵Ǵ len ¹ÙÀÌÆ®¸¦ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ Ãâ·ÂÇÕ´Ï´Ù.

¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º FilterOutputStream ³»ÀÇ write
ÆĶó¹ÌÅÍ:
b - µ¥ÀÌÅÍ
off - µ¥ÀÌÅÍÀÇ °³½Ã ¿ÀÇÁ¼Â(offset)
len - Ãâ·ÂÇÏ´Â ¹ÙÀÌÆ®¼ö
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÀü :
JCE1. 2
°ü·Ã Ç׸ñ:
FilterOutputStream.write(int)

flush

public void flush()
           throws IOException 
ĸ½¶È­µÈ ¾ÏÈ£ °´Ã¼¿¡ ÀÇÇØ ÀÌ¹Ì Ã³¸®µÈ, ¹öÆÛ¿¡ Æ÷ÇÔµÈ Ãâ·Â ¹ÙÀÌÆ®¸¦ °­Á¦ÀûÀ¸·Î ½á³», ÀÌ Ãâ·Â ½ºÆ®¸²À» Ç÷¡½Ã ÇÕ´Ï´Ù.

ĸ½¶È­µÈ ¾ÏÈ£¿¡ ÀÇÇØ ¹öÆÛ¿¡ Æ÷ÇԵǾî 󸮵Ǵ °ÍÀ» ±â´Ù¸®°í ÀÖ´Â ¹ÙÀÌÆ®´Â ½á³»ÁöÁö ¾Ê½À´Ï´Ù. ¿¹¸¦ µé¾î ĸ½¶È­µÈ ¾ÏÈ£°¡ ºí·Ï ¾ÏÈ£À̸ç, write ¸Þ¼­µåÀÇ 1°³¸¦ »ç¿ëÇØ Ãâ·ÂÇØÁø ¹ÙÀÌÆ®¼öÀÇ ÇÕ°è°¡ ±× ¾ÏÈ£ÀÇ ºí·Ï »çÀÌÁ´Ù ÀÛÀº °æ¿ì, ¹ÙÀÌÆ®´Â ½á³»ÁöÁö ¾Ê½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Flushable ³»ÀÇ flush
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º FilterOutputStream ³»ÀÇ flush
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÀü :
JCE1. 2
°ü·Ã Ç׸ñ:
FilterOutputStream.out

close

public void close()
           throws IOException 
Ãâ·Â ½ºÆ®¸²À» ´Ý¾Æ ÀÌ ½ºÆ®¸²¿¡ °ü·ÃµÈ ¸ðµç system resource¸¦ ÇعæÇÕ´Ï´Ù.

ÀÌ ¸Þ¼­µå´Â ĸ½¶È­µÈ ¾ÏÈ£ °´Ã¼¿¡ ÀÇÇØ ¹öÆÛ¿¡ Æ÷ÇÔµÈ ¸ðµç ¹ÙÀÌÆ®°¡ 󸮵ǵµ·Ï Çϴ ĸ½¶È­µÈ ¾ÏÈ£ °´Ã¼ÀÇ doFinal ¸Þ¼­µå¸¦ È£ÃâÇÕ´Ï´Ù. °á°ú¸¦ ½á³»·Á¸é, ÀÌ Ãâ·Â ½ºÆ®¸²ÀÇ flush ¸Þ¼­µå¸¦ È£ÃâÇÕ´Ï´Ù.

ÀÌ ¸Þ¼­µå´Â ĸ½¶È­µÈ ¾ÏÈ£ °´Ã¼¸¦ Ãʱ⠻óÅ¿¡ ¸®¼Â ÇØ, ±âº»ÀÌ µÇ´Â Ãâ·Â ½ºÆ®¸²ÀÇ close ¸Þ¼­µå¸¦ È£ÃâÇÕ´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Closeable ³»ÀÇ close
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º FilterOutputStream ³»ÀÇ close
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÀü :
JCE1. 2
°ü·Ã Ç׸ñ:
FilterOutputStream.flush(), FilterOutputStream.out

JavaTM 2 Platform
Standard Ed. 5.0

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