Youku Technology
Sep 10, 2020 · Fundamentals
ZIP Streaming Decompression: Technical Principles and Implementation
The article explains Alibaba Youku’s picture‑book team’s streaming ZIP decompression technique that bypasses the end‑of‑file central directory by using each entry’s local file header, supports PKWARE and AES‑encrypted archives, and achieves up to 100 % faster extraction, reducing a 30 MB file’s load time to under one second.
AES encryptionCentral DirectoryLocal File Header
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