xref: /aosp_15_r20/external/musl/src/crypt/crypt_r.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <crypt.h>
2*c9945492SAndroid Build Coastguard Worker 
__crypt_r(const char * key,const char * salt,struct crypt_data * data)3*c9945492SAndroid Build Coastguard Worker char *__crypt_r(const char *key, const char *salt, struct crypt_data *data)
4*c9945492SAndroid Build Coastguard Worker {
5*c9945492SAndroid Build Coastguard Worker 	/* Per the crypt_r API, the caller has provided a pointer to
6*c9945492SAndroid Build Coastguard Worker 	 * struct crypt_data; however, this implementation does not
7*c9945492SAndroid Build Coastguard Worker 	 * use the structure to store any internal state, and treats
8*c9945492SAndroid Build Coastguard Worker 	 * it purely as a char buffer for storing the result. */
9*c9945492SAndroid Build Coastguard Worker 	char *output = (char *)data;
10*c9945492SAndroid Build Coastguard Worker 	if (salt[0] == '$' && salt[1] && salt[2]) {
11*c9945492SAndroid Build Coastguard Worker 		if (salt[1] == '1' && salt[2] == '$')
12*c9945492SAndroid Build Coastguard Worker 			return __crypt_md5(key, salt, output);
13*c9945492SAndroid Build Coastguard Worker 		if (salt[1] == '2' && salt[3] == '$')
14*c9945492SAndroid Build Coastguard Worker 			return __crypt_blowfish(key, salt, output);
15*c9945492SAndroid Build Coastguard Worker 		if (salt[1] == '5' && salt[2] == '$')
16*c9945492SAndroid Build Coastguard Worker 			return __crypt_sha256(key, salt, output);
17*c9945492SAndroid Build Coastguard Worker 		if (salt[1] == '6' && salt[2] == '$')
18*c9945492SAndroid Build Coastguard Worker 			return __crypt_sha512(key, salt, output);
19*c9945492SAndroid Build Coastguard Worker 	}
20*c9945492SAndroid Build Coastguard Worker 	return __crypt_des(key, salt, output);
21*c9945492SAndroid Build Coastguard Worker }
22*c9945492SAndroid Build Coastguard Worker 
23*c9945492SAndroid Build Coastguard Worker weak_alias(__crypt_r, crypt_r);
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