6 char *__crypt_des(const char *, const char *, char *);
7 char *__crypt_md5(const char *, const char *, char *);
8 char *__crypt_blowfish(const char *, const char *, char *);
9 char *__crypt_sha256(const char *, const char *, char *);
10 char *__crypt_sha512(const char *, const char *, char *);
12 char *__crypt_r(const char *key, const char *salt, struct crypt_data *data)
14 /* Per the crypt_r API, the caller has provided a pointer to
15 * struct crypt_data; however, this implementation does not
16 * use the structure to store any internal state, and treats
17 * it purely as a char buffer for storing the result. */
18 char *output = (char *)data;
19 if (salt[0] == '$' && salt[1] && salt[2]) {
20 if (salt[1] == '1' && salt[2] == '$')
21 return __crypt_md5(key, salt, output);
22 if (salt[1] == '2' && salt[3] == '$')
23 return __crypt_blowfish(key, salt, output);
24 if (salt[1] == '5' && salt[2] == '$')
25 return __crypt_sha256(key, salt, output);
26 if (salt[1] == '6' && salt[2] == '$')
27 return __crypt_sha512(key, salt, output);
29 return __crypt_des(key, salt, output);
32 weak_alias(__crypt_r, crypt_r);