# Civetweb API Reference ### `mg_md5( buf, ... );` ### Parameters | Parameter | Type | Description | | :--- | :--- | :--- | |**`buf`**|`char[33]`|Storage buffer for the calculated MD5 sum| |**`...`**|`char *, ...`|NULL terminated list of pointers to strings with data| ### Return Value | Type | Description | | :--- | :--- | |`char *`|Pointer to the resulting MD5 string| ### Description The function `mg_md5()` caluclates the MD5 checksum of a NULL terminated list of NUL terminated ASCII strings. The MD5 checksum is returned in human readable format as an MD5 string in a caller supplied buffer. The function returns a pointer to the supplied result buffer. ### See Also