關於密碼學的一些事
關於Hash的一些種類：
Wiki : SHA-1 及 Wiki : SHA-2
但雖然用了這些，被合作的客戶說，不一行，只有RSA才是安全的，
Wiki : RSA | RSA加密演算法，其他文章：RSA歷史說明。
讓我想要好好研究研究，真的不簡單阿，想不到RSA是三個人的名字縮寫起來的。
嘖嘖
什麼是 OTA ?
What is OTA ? 網路上 ota 的定義 禦宅原指熱衷及博精於動畫、漫畫及電腦遊戲（ACG）的人，而現在一般泛指熱衷於次文化，並對該文化有極 ... 詳見 zh.wikipedia.org/wiki/OTA - 的定義 但是現在要知道的是 : OTA definition (Phone Arena) Over The Air - Standard used for transfer of information between device and wireless network. Usually it is used to upload new software to mobile phones, or download/upload content (such as ringtones, pictures). -- OTA (Over-The-Air) Any kind of event, transfer, or transaction that takes place wirelessly using the cellular network, as opposed to using a cable or other local connection. Usually used in reference to downloading or uploading content or software. Examples include updating phone settings or software, downloading a new ringtone, or uploading a photo. The term OTA is sometimes used to describe the ability to update phone firmware over the network, which is technically known as FOTA: -- 網路上有關Android OTA的討論 How firmware update and Application update work through OTA work? how to implement OTA service ? 重要參考文章之...
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