Tag Archives: apk

Google Play Store 將支援 Brotli 壓縮

在「Intern Impact: Brotli compression for Play Store app downloads」這邊介紹了 Google Play Store 引入 Brotli 的情況。 選擇 Brotli 除了是 Google 自家研發出來的東西以外,另外是考量到 Brotli 的壓縮與解壓縮速 (尤其是後者) 不會增加太多,卻可以多出不少壓縮率。維基百科這邊說明的是文字的部份: Replacing deflate with brotli typically gives an increase of 20% in compression density for text files, … Continue reading

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Google 再次改善 Android 的 APK 更新,讓下載的量更小

Google 的人再次更新了演算法,將下載的量再次減少,從本來的 47% 降到 65%:「Saving Data: Reducing the size of App Updates by 65%」。 今年七月的時候,更新演算法導入了 bsdiff,使得本來要抓整包 APK 的量,變成抓 diff 的部份,這使得下載的流量降了 47%:「Improvements for smaller app downloads on Google Play」。 Using bsdiff, we were able to reduce the size of app updates … Continue reading

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APT (Advanced Persistent Threat)

維基百科對 APT (Advanced Persistent Threat) 的定義是: Advanced Persistent Threat (APT) APT is a set of stealthy and continuous computer hacking processes, often orchestrated by human(s) targeting a specific entity. 針對特定個人或團體進行攻擊,這邊的 entity 通常是指有權限存取系統,或是手上握有機敏資料的人,這些人的帳號密碼,或是系統權限是有價值的。 這幾年因為行動裝置普及,再加上行動裝置上驗證起來會比較麻煩,成為 APT 攻擊的首選。 下面就原文照登:

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