* @param {string} num 非负整数的字符串形式（可能含前导零）
He saw an abandoned trailer. Then, he uncovered a surveillance network on California’s border
。谷歌浏览器【最新下载地址】对此有专业解读
Source: Computational Materials Science, Volume 266
“The bigger you make the certificate, the slower the handshake and the more people you leave behind,” said Bas Westerbaan, principal research engineer at Cloudflare, which is partnering with Google on the transition. “Our problem is we don’t want to leave people behind in this transition.” Speaking to Ars, he said that people will likely disable the new encryption if it slows their browsing. He added that the massive size increase can also degrade “middle boxes,” which sit between browsers and the final site.