diff options
Diffstat (limited to 'contrib/ntp/libntp/authusekey.c')
| -rw-r--r-- | contrib/ntp/libntp/authusekey.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/contrib/ntp/libntp/authusekey.c b/contrib/ntp/libntp/authusekey.c index 18b8ba0..40dd373 100644 --- a/contrib/ntp/libntp/authusekey.c +++ b/contrib/ntp/libntp/authusekey.c @@ -15,14 +15,6 @@ * high order bit of each byte a parity bit. "Ascii" means a 1-to-8 * character string whose ascii representation is used as the key. */ -#ifdef DES -#define KEY_TYPE_STD 1 -#define KEY_TYPE_NTP 2 -#define KEY_TYPE_ASCII 3 - -#define STD_PARITY_BITS ((unsigned)0x01010101) - -#endif #define KEY_TYPE_MD5 4 @@ -33,13 +25,6 @@ authusekey( const u_char *str ) { -#ifdef DES - u_int32 key[2]; - u_char keybytes[8]; - char *xdigit; - int i; - static const char *hex = "0123456789abcdef"; -#endif const u_char *cp; int len; @@ -49,74 +34,6 @@ authusekey( return 0; switch(keytype) { -#ifdef DES - case KEY_TYPE_STD: - case KEY_TYPE_NTP: - if (len != 16) /* Lazy. Should define constant */ - return 0; - /* - * Decode hex key. - */ - key[0] = 0; - key[1] = 0; - for (i = 0; i < 16; i++) { - if (!isascii(*cp)) - return 0; - xdigit = strchr(hex, isupper(*cp) ? tolower(*cp) : *cp); - cp++; - if (xdigit == 0) - return 0; - key[i>>3] <<= 4; - key[i>>3] |= (u_int32)(xdigit - hex) & 0xf; - } - - /* - * If this is an NTP format key, put it into NBS format - */ - if (keytype == KEY_TYPE_NTP) { - for (i = 0; i < 2; i++) - key[i] = ((key[i] << 1) & ~STD_PARITY_BITS) - | ((key[i] >> 7) & STD_PARITY_BITS); - } - - /* - * Check the parity, reject the key if the check fails - */ - if (!DESauth_parity(key)) { - return 0; - } - - /* - * We can't find a good reason not to use this key. - * So use it. - */ - DESauth_setkey(keyno, key); - break; - - case KEY_TYPE_ASCII: - /* - * Make up key from ascii representation - */ - memset((char *) keybytes, 0, sizeof(keybytes)); - for (i = 0; i < 8 && i < len; i++) - keybytes[i] = *cp++ << 1; - key[0] = (u_int32)keybytes[0] << 24 | (u_int32)keybytes[1] << 16 - | (u_int32)keybytes[2] << 8 | (u_int32)keybytes[3]; - key[1] = (u_int32)keybytes[4] << 24 | (u_int32)keybytes[5] << 16 - | (u_int32)keybytes[6] << 8 | (u_int32)keybytes[7]; - - /* - * Set parity on key - */ - (void)DESauth_parity(key); - - /* - * Now set key in. - */ - DESauth_setkey(keyno, key); - break; -#endif - case KEY_TYPE_MD5: MD5auth_setkey(keyno, str, (int)strlen((const char *)str)); break; |
