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add legacy functions setkey() and encrypt()

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This commit is contained in:
Timo Teräs 2014-01-13 13:05:14 +02:00 • committed by Rich Felker
commit 16a3580ef3
2 changed files with 66 additions and 6 deletions
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12
src/crypt/crypt_des.c
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@ -692,7 +692,7 @@ static uint32_t setup_salt(uint32_t salt)
return saltbits;
}
static void des_setkey(const unsigned char *key, struct expanded_key *ekey)
void __des_setkey(const unsigned char *key, struct expanded_key *ekey)
{
uint32_t k0, k1, rawkey0, rawkey1;
unsigned int shifts, round, i, ibit;
@ -753,7 +753,7 @@ static void des_setkey(const unsigned char *key, struct expanded_key *ekey)
/*
* l_in, r_in, l_out, and r_out are in pseudo-"big-endian" format.
*/
static void do_des(uint32_t l_in, uint32_t r_in,
void __do_des(uint32_t l_in, uint32_t r_in,
uint32_t *l_out, uint32_t *r_out,
uint32_t count, uint32_t saltbits, const struct expanded_key *ekey)
{
@ -862,7 +862,7 @@ static void des_cipher(const unsigned char *in, unsigned char *out,
((uint32_t)in[5] << 16) |
((uint32_t)in[4] << 24);
do_des(rawl, rawr, &l_out, &r_out, count, saltbits, ekey);
__do_des(rawl, rawr, &l_out, &r_out, count, saltbits, ekey);
out[0] = l_out >> 24;
out[1] = l_out >> 16;
@ -894,7 +894,7 @@ static char *_crypt_extended_r_uut(const char *_key, const char *_setting, char
if (*key)
key++;
}
des_setkey(keybuf, &ekey);
__des_setkey(keybuf, &ekey);
if (*setting == _PASSWORD_EFMT1) {
/*
@ -929,7 +929,7 @@ static char *_crypt_extended_r_uut(const char *_key, const char *_setting, char
q = keybuf;
while (q <= &keybuf[sizeof(keybuf) - 1] && *key)
*q++ ^= *key++ << 1;
des_setkey(keybuf, &ekey);
__des_setkey(keybuf, &ekey);
}
memcpy(output, setting, 9);
@ -957,7 +957,7 @@ static char *_crypt_extended_r_uut(const char *_key, const char *_setting, char
/*
* Do it.
*/
do_des(0, 0, &r0, &r1, count, setup_salt(salt), &ekey);
__do_des(0, 0, &r0, &r1, count, setup_salt(salt), &ekey);
/*
* Now encode the result...