Adult Atlantic salmon swim thousands of miles to return to the chalk streams where they were born
A painful processToday, kernel maintainers who want a kernel.org account must find someone already in the PGP web of trust, meet them face‑to‑face, show government ID, and get their key signed. The process is like a manual, global scavenger hunt. Linux kernel maintainer Greg Kroah-Hartman, speaking at the Linux Foundation Members Summit, described it as a "pain to do and manage." That's because it's tracked by manual scripts, the keys drift out of date, and the public "who lives where" map creates privacy and social‑engineering risk.
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2. 创建计数数组count，统计每个值出现次数
Tony Jolliffe BBC