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); /// ¾ÏÈ£È ÇÔ¼ö
int main(void)
{
char *UC_S; //¾ÏÈ£È ½Ãų ¹®Àå
char *C_S; //¾ÏÈ£È 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) |
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