Export sqlusers with password and sid

Sp export all information about local SQL users to table.

Actual for migration from SQL to SQL

If this work that say all sql servers in the word have same encryptions keys – bad 

SELECT
'create login [' + p.name + '] ' +  
case when p.type in('U','G') then 'from windows ' else '' end + 
'with ' + 
case when p.type = 'S' then 'password = ' + master.sys.fn_varbintohexstr(l.password_hash) + ' hashed, ' + 
'sid = ' + master.sys.fn_varbintohexstr(l.sid) + ', check_expiration = ' + 
case when l.is_policy_checked > 0 then 'ON, ' else 'OFF, ' end + 'check_policy = ' + case when l.is_expiration_checked > 0 then 'ON, ' else 'OFF, ' end + 
case when l.credential_id > 0 then 'credential = ' + c.name + ', ' else '' end  
else '' end + 
'default_database = ' + p.default_database_name + 
case when len(p.default_language_name) > 0 then ', default_language = ' + p.default_language_name else '' end

FROM sys.server_principals p 
LEFT JOIN sys.sql_logins l 
ON p.principal_id = l.principal_id 
LEFT JOIN sys.credentials c 
ON  l.credential_id = c.credential_id 
WHERE p.type in('S','U','G') 
AND p.name <> 'sa