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   TalVez
   ÇãÁ¢ÇÑ caesar cryption ½Ã°£³ª½Ã´ÂºÐ ¿¡·¯Á»;;¤Ð.

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_Crypto&no=3 [º¹»ç]


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/*          Caesar Cryption        */
#include <stdio.h>
#include <time.h>

char crypt(char x, char y);    /// ¾Ïȣȭ ÇÔ¼ö

int main(void)
{
        char *UC_S;        //¾Ïȣȭ ½Ãų ¹®Àå
        char *C_S;         //¾Ïȣȭ µÈ ¹®Àå

        printf("what sentence want you to crypt?\n");
        gets(UC_S);

        printf("encrypted sentence is \n ");
        
        puts(C_S);

        return 0;
}

char crypt(char x, char y)
{
        int i;
        int n=100;
    int C_key;  ///cryptionÅ°
                                
                
        srand(time(NULL));
        C_key=rand()%25+1;


        for(i=0;i<n;i++)
                y=x+C_key;

        return y;
}



//7.17¼öÁ¤¾È


* ¸Û¸Û´Ô¿¡ ÀÇÇؼ­ °Ô½Ã¹° À̵¿µÇ¾ú½À´Ï´Ù (2010-11-28 12:38)

  Hit : 4386     Date : 2007/07/15 11:18



    
talvez estudia mas..:) 2007/07/17
indra char *UC_S; ´Â ÀÏ¹Ý Æ÷ÀÎÅͺ¯¼ö ¼±¾ð¹Û¿¡ µÇÁö ¾Ê±â ¶§¹®¿¡ »ç¿ëÀÚ ÀÔ·ÂÀ» ¹ÞÀ» ¼ö ¾ø½À´Ï´Ù. malloc() ÇÔ¼ö·Î ¸Þ¸ð¸®ÇÒ´çÀ» ÇØÁֽðųª char UC_S[128]; µî 2007/07/18
indra °ú °°ÀÌ ¹è¿­½ÄÀ¸·Î ¼±¾ðÇØ¾ß ÇÕ´Ï´Ù. ¶Ç, crypt() ÇÔ¼öÀÇ ¼±¾ð°ú ±¸ÇöÀº ÇϼÌÀ¸¸é¼­ ½ÇÁ¦ main() ÇÔ¼ö¿¡¼­ crypt() ÇÔ¼ö¸¦ ½ÇÇàÇÏ´Â ºÎºÐµµ ºüÁ®Àֳ׿ä.. 2007/07/18
TalVez ¾Æ¾Æ¾Æ-;¤Ð.¼öÁ¤Çϸ鼭 ÇÔ¼ö ±¸Çö ¹®ÀåÀ» À߸øÇ߳׿ä...¾Æ¾Æ ±×¸®°í °¨»çÇÕ´Ï´Ù~´Ù½ÃÇغ¼°Ô¿ä'' 2007/07/18  
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