An error occurred (SignatureDoesNotMatch) when calling the GetCallerIdentity operation: The request signature we calculated does not match the signature you provided. Check your AWS Secret Access Key and signing method. Consult the service documentation for details.
웃긴 것은 키에 %가 들어가면 인식이 안된다고 한다.
키를 다시 생성해야 함.