Blog - LINE ENGINEERING

As of October 1, 2023, LINE has been rebranded as LY Corporation. Visit the new blog of LY Corporation here: LY Corporation Tech Blog

try! Swift Presentation Report
Inami Yasuhiro (Inamiy)2016-04-27
An iOS developer at LINE. A lover of functional programming.
Hello everyone, my name is Inami (@inamiy) and I'm an iOS software engineer at LINE. A Swift developer conference titled "try! Swift" was recently held in Shibuya, Tokyo from March 2 to March 4. LINE was a gold sponsor of the event, which was a gathering of over 500 people (30% of which were from overseas). There were many female presenters in the event as well, making it one of the most diverse gathering of developers I've ever seen; the likes of which I haven't seen in any Swift/iOS study grou
- iOS
Open-sourcing Armeria
Lee Heuiseung (trustin)2016-04-13
He is the founder of Netty and a co-founder of Apache MINA.
Armeria is an asynchronous RPC/API client-server implementation built on top of Java 8 and Netty that went open-source last November under Apache License 2.0 by LINE Corporation. Its primary goal is to help engineers build high-performance asynchronous Thrift clients and servers that use HTTP/2 as a session layer protocol, although it is designed to be protocol-agnostic and highly extensible (for example, you can serve a directory of static files via HTTP/2 and run Java EE web applications). In
- Armeria
- Open Source
Multi-Threaded Parallel Processing for Physics Simulation in Cocos2d-x
Kim Suntae2016-01-26
He develops mobile games here at LINE.
Hello. My name is ST and I develop mobile games here at LINE. In this post I would like to talk about the multi-threaded parallel processing method we are using with Cocos2d-x, the leading mobile game engine. I will go into more detail about how we improved upon the existing single-thread structure and enhanced performance using multi-threaded physics calculation. Multi-Threaded physics calculation parallel processing architecture Before we move on to the multi-threaded physics calculation paral
- LINE Game
LINE Developer Week 2015
Augustin Wang2015-12-28
He works for LINE Taiwan as a principal application analyst and an API developer.
My name is Augustin Wang. I work for LINE Taiwan as an application analyst and an API developer. In November 2015, I experienced LINE Developer Week and cannot wait to share my wonderful memories in this post. Arrival in Korea What an exciting day! To start off, I could barely sleep because of the early flight we booked and because of my excitement from visiting Korea for the first time. After approximately one hour bus time from Incheon International Airport, we arrived at the Korea office arou
- Event Report
Results From the LINE Bug Bounty
Lee Myeongjae2015-12-16
He is a security engineer at LINE.
Preparing the Bug Bounty Program Hello. I am MJ, a LINE security engineer. In this post I would like to share the results of the 2015 LINE Bug Bounty (August 24-September 23). As our first ever bug bounty program, we are very pleased with how well the program came together. The core objective of the program was to discover and fix potential vulnerabilities in our services so that our users can enjoy them safely. Several departments lent us a hand in preparing the program and we could not have do
- Security Engineering
- Bug Bounty
New generation of safe messaging: "Letter Sealing"
LINE Security2015-10-12
LINE Engineer
Hello, my name is JI and I am working at LINE as a security engineer.People might have wondered how safe mobile applications are. Message security is surely something most of you have thought about before. As we are centered around mobile messaging, all the engineers at LINE do take extra care to make our app even safer. But when companies are asked about how safe their message transfer process actually is, not many mobile messaging app companies are able to clearly explain about their security.
True Delete
Ahn Sanghwan (h2spice) 2015-08-12
He is a security engineer at LINE. He likes to do bug-hunting and exploit development. He's also interested in new security technologies. Of course he enjoys hacking that as well.
Hello, I am H2spice. I work in security development here at LINE. This post will cover how your data can be leaked if your mobile device is stolen, and what we at LINE are doing to prevent that: a new feature called "True Delete." There are many instances where people lose their mobile devices, or leave their devices unattended in places where anyone can access them. Many serious problems may arise if someone else obtains your mobile device and gains access to the information inside. Devices lik
Introducing the LINE Bug Bounty Program
Lee Myeongjae2015-08-04
He is a security engineer at LINE.
Hello. I am MJ from the LINE Security Department. In this post, I would like to announce the details of the LINE Bug Bounty.What is a bug bounty?Companies use bug bounty programs to strengthen their services and products by rewarding users that can find vulnerabilities in them. Many companies have used these programs to take a more active role in strengthening the security of their services.LINE has grown as a global company that now provides services to more than 2 hundred million active users
- Security
- Bug Bounty
Introducing the LINE Login Platform
LINE Engineering2015-07-23
LINE Engineering Blog official account
LINE publicly released its Login Platform on June 30, 2015, allowing other services to take advantage of its robust features. In this article, we look at the details of the newly released LINE Login Platform. We are also pleased to introduce the LINE developers site to the public. It’s packed with everything you’ve ever wanted to know about the technical side of LINE, so check it out to see all of the features the platform has to offer! What is the LINE Login Platform? The LINE Login
- Server-side
- LINE Login
Improving Call Quality On Popcorn Buzz, A Multi-user Call Service
Kang In Gyu2015-07-01
He works in the mobile VoIP development department at LINE. His mission is providing the best call quality to users.
We are IG and JN, and we work in the mobile VoIP development department at LINE.In this post, we would like to talk about what we have done to improve the call quality on the newly launched Popcorn Buzz. Introduction Popcorn Buzz is a group call service that enables up to 200 users to call simultaneously over the internet. Popcorn Buzz users will be able to gather in a virtual space like the one you see below. They will be able to talk to each other, or even hold large-scale conference calls and
- Popcorn Buzz