[Â÷·Ê]  [ÇÔ¼ö»öÀÎ] Wel µµ¿ò¸» ¹®¼­ [ÀÌÀü]  [´ÙÀ½]
´ëºÐ·ù: ³»ÀåÇÔ¼ö
¼ÒºÐ·ù: ¾ÏȣȭÇÔ¼ö
crypt() ÀÛ¼ºÀÏ: 1999/11/18
¼öÁ¤ÀÏ: 2002/07/05

1. Çü½Ä: result= crypt(str, salt) 2. ±â´É: ½Ã½ºÅÛÀÇ ¾Ïȣȭ ÇÔ¼ö·Î½á ÀÎÀÚ strÀÇ ¹®ÀÚ¿­À» ÀÎÀÚ saltÀÇ ¹®ÀÚ¿­ key·Î ¾ÏȣȭÇÏ¿© ¾ÏȣȭµÈ ¹®ÀÚ¿­À» ¾ò´Â´Ù. 3. ¼³¸í (1) ¸ðµç ÀÎÀÚ´Â ¹®ÀÚ¿­ÀÌ¸ç ¼öÄ¡ÀÏ ¶§¿¡´Â ¹®ÀÚ¿­·Î º¯È¯µÈ´Ù. (2) ÀÎÀÚ strÀº ¾Ïȣȭ ´ë»ó ¹®ÀÚ¿­ÀÌ´Ù. (3) ÀÎÀÚ salt´Â ¾Ïȣȭ Å°(key) ¹®ÀÚ¿­·Î ÃÖÃÊ 2°³ÀÇ ¹®ÀÚ¸¸ Ãë±ÞÇÑ´Ù. (4) ÀÎÀÚ salt°¡ Çѹ®ÀÚÀÌ¸é µÎ¹®ÀÚ·Î º¹Á¦ÇÏ¿© ó¸®ÇÑ´Ù. (5) ÀÎÀÚ salt°¡ Null string("")À̸é Null stringÀÌ result¿¡ µ¹·ÁÁø´Ù. (6) ½Ã½ºÅÛÀÇ ¾ÏÈ£(/etc/passwdÀÇ ¾ÏÈ£Ç׸ñ)¸¦ °ËÁõÇÒ ¶§ »ç¿ëÇÒ ¼ö ÀÖ´Ù. 4. »ç¿ë¿¹ crypt1= crypt("hello", "ab"); crypt2= crypt("hello", "y"); crypt3= crypt("hello", ""); printf("crypt1=[%s] crypt2=[%s] crypt3=[%s]\n", crypt1, crypt2, crypt3); ------------------------------ [ Ãâ·Â°á°ú ] ------------------------------ crypt1=[abl0JrMf6tlhw] crypt2=[yyhv5iZ398gMQ] crypt3=[]

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