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encrypt
Langue: ja
Version: 2003-04-04 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
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encrypt, setkey, encrypt_r, setkey_r - 64 ¥Ó¥Ã¥È¤Î¥á¥Ã¥»¡¼¥¸¤ò°Å¹æ²½¤¹¤ë½ñ¼°
#define _XOPEN_SOURCE#include <unistd.h>
void encrypt(char block[64], int edflag);
#define _XOPEN_SOURCE
#include <stdlib.h>
void setkey(const char *key);
#define _GNU_SOURCE
#include <crypt.h>
void setkey_r(const char *key, struct crypt_data *data);
void encrypt_r(char *block, int edflag, struct crypt_data *data);
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struct crypt_data { char keysched[16 * 8]; char sb0[32768]; char sb1[32768]; char sb2[32768]; char sb3[32768]; char crypt_3_buf[14]; char current_salt[2]; long int current_saltbits; int direction; int initialized; };
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´Ø¿ô encrypt() ¤È setkey() ¤Ï SVr4, SUSv2, and POSIX.1-2001 ¤Ë½àµò¤¹¤ë¡£ ´Ø¿ô encrypt_r() ¤È setkey_r() ¤Ï GNU ³ÈÄ¥¤Ç¤¢¤ë¡£Ãí°Õ
glibc 2.2 ¤Ç¤Ï¡¢¤³¤ì¤é¤Î´Ø¿ô¤Ï DES ¥¢¥ë¥´¥ê¥º¥à¤ò»È¤¦¡£Îã
¤³¤ÎÎã¤ò glibc 2.2 ¤Ç¥³¥ó¥Ñ¥¤¥ë¤¹¤ë¤Ë¤Ï libcrypt ¤È¥ê¥ó¥¯¤¹¤ëɬÍפ¬¤¢¤ë¡£ ¼ÂºÝ¤ËÆ°ºî¤µ¤»¤ë¤¿¤á¤Ë¤Ï¡¢ÇÛÎó key[] ¤È txt[] ¤Ë ͸ú¤Ê¥Ó¥Ã¥È¥Ñ¥¿¡¼¥ó¤ò»ØÄꤷ¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£#define _XOPEN_SOURCE #include <unistd.h> #include <stdlib.h> int main(void) { char key[64]; /* bit pattern for key */ char txt[64]; /* bit pattern for messages */ setkey(key); encrypt(txt, 0); /* encode */ encrypt(txt, 1); /* decode */ }
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cbc_crypt(3), crypt(3), ecb_crypt(3), fcrypt(3), feature_test_macros(7)Contenus ©2006-2024 Benjamin Poulain
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