Performs authentication notifications for an SSL context.

function PasswordCallback(buf: PChar; size: Integer; rwflag: Integer; userdata: Pointer): Integer; cdecl;

password from the callback.

number of bytes in the password.

read write flag.

SSL context for the callback.

Integer - Length of the password.

PasswordCallback is an Integer function that allows an SSL context to authentication callback notifications for the client or server SSL context specified in userdata. buf will contain the result of the authentication process.