IOS证书:this certificate was signed by an unknown authority
2014-03-19 18:56
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iOS: this certificate was signed by an unknown authority
在 iOS开发中,使用证书时,会出现一些莫名其妙的问题。分明是一个有效的证书,导入到 Key Chain 后, 出现: this certificate was signed by an unknown authority。 如下图。问题分析:
这是因为缺少一个来自 apple 的 中间证书。这个证书可以从apple 官网下载。 http://developer.apple.com/certificationauthority/AppleWWDRCA.cer 双击
AppleWWDRCA.cer ,导入到 keychain中。你会发现 Keychain 下多了一个 证书:
考虑到苹果的Server 有时访问较慢, 为便于证书下载, 特发布到一个公共链接上: http://dl.vmall.com/c0h6nrn533
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