Log for LINE
https://scdn.line-apps.com/stf/linecorp/en/csr/line-encryption-whitepaper-ver1.0.pdf
Line的加密設計，設計參數中沒有提到互相驗證secret number
有MITM的可能。。
Line的加密設計，設計參數中沒有提到互相驗證secret number
有MITM的可能。。
Our end-to-end encryption protocols ensure that neither third parties, nor LINE
Corporation can decrypt private calls and messages between users
Corporation can decrypt private calls and messages between users