https://changkun.de/blog/tags/%E8%BD%AF%E4%BB%B6%E5%B7%A5%E7%A8%8B/Recent content in 软件工程 on Changkun's BlogHugo -- gohugo.ioen-USTue, 11 Aug 2026 00:00:00 +0200https://changkun.de/blog/posts/trusting-trustworthiness/Tue, 11 Aug 2026 00:00:00 +0200https://changkun.de/blog/posts/trusting-trustworthiness/“Perhaps it is more important to trust the people who wrote the software.” — Ken Thompson, Reflections on Trusting Trust Ken Thompson’s 1984 lecture is generally remembered for its unsettling demonstration that source-level inspection cannot establish the trustworthiness of a software system. A compiler can insert behavior that is absent from the program it compiles; it can even reproduce that behavior when compiling a clean version of itself. The visible source may tell one story while the mechanism interpreting it quietly produces another.