blocks|key|1669176|text|从技术上讲，是的，你可以使用CloudKit在两个更多的用户之间共享私人数据。虽然数据存储是公共的，但这并不意味着每个用户都可以访问整个公共存储。您的设计可以控制对每个应用程序实例中的公共数据库部分的访问。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1669177|通过开发一个应用程序，该应用程序使用具有用户组的唯一标识符的公共数据库，以及使用CKRecordZoneNotification管理通知的区域，您应该能够创建一个相当安全的解决方案。你决定什么是合理的安全。|1669178|这里有一个指向苹果CKRecordZoneNotification文档的链接|offset|length|1669179|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.apple.com/library/ios/documentation/CloudKit/Reference/CloudKit_Framework_Reference/^0|0|0|9|O|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@$F|S|G|T|1|U]]|A|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]]]

Technically yes, you can share private data between two our more users with CloudKit. While the data store is public, this does not mean that each user has access to the entire public store. Your design can control access to portions of the public database within each app instance. 

By developing an app that uses the public database with unique identifiers for groups of users, and zones using CKRecordZoneNotification for managing notifications, you should be able to create a reasonably secure solution. You decide what reasonably secure means.

Here's a link to Apple's docs for <a href="https://developer.apple.com/library/ios/documentation/CloudKit/Reference/CloudKit_Framework_Reference/" rel="nofollow">CKRecordZoneNotification</a>

blocks|key|1669411|text|使用公共数据库并对共享内容进行加密将会起作用。可能不会太有趣，因为那样你就需要共享加密密钥了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1669412|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Using the public database and encrypting the shared content would work. Might not be too much fun because then you would need to share encryption keys.

blocks|key|1669434|text|在WWDC2016上，苹果推出了CKShare，解决了这一用例。截至2016年6月13日，测试版API是公开的，但没有文档。分享接口在WWDC+2016视频What's+new+with+CloudKit中演示，从19:57开始。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1669435|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.apple.com/reference/cloudkit/ckshare|1|https://developer.apple.com/videos/play/wwdc2016/226/^0|G|7|0|26|O|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

At WWDC 2016, Apple introduced <a href="https://developer.apple.com/reference/cloudkit/ckshare" rel="nofollow">CKShare</a> which addresses this use case. As of Jun 13th, 2016, the beta API is public but undocumented. The sharing API is demonstrated in the WWDC 2016 video <a href="https://developer.apple.com/videos/play/wwdc2016/226/" rel="nofollow">What's new with CloudKit</a>, starting at 19:57.

blocks|key|1669458|text|简短的回答:是的！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1669459|CloudKit共享是在WWDC2016上推出的。在“CloudKit中的新特性”部分有一个很好的概述：https://developer.apple.com/videos/play/wwdc2016/226/|offset|length|1669460|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.apple.com/videos/play/wwdc2016/226/^0|0|1G|1H|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

Short answer: YES!

CloudKit Sharing was introduced at WWDC 2016. There is a great overview in the "What's new in CloudKit" session: <a href="https://developer.apple.com/videos/play/wwdc2016/226/" rel="nofollow">https://developer.apple.com/videos/play/wwdc2016/226/</a>

Is there a straightforward way to share private data between two or more users using CloudKit?

Public and private date are obvious, but there doesn't seem to be a way to allow a group of users to organize their own silo to share data amongst themselves without making it available to all the other users of the system and to the app developer.

I have an academic collaboration app in mind but the simplest example would be private messaging between two users.

I guess one could try to build a public key encryption system on top of CloudKit to achieve that, but that's not what I'm looking for and would scale poorly beyond two users per group.

Private data sharing using CloudKit

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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有没有一种简单的方法可以使用CloudKit在两个或多个用户之间共享私有数据？公开和私人日期是显而易见的，但似乎没有一种方法允许一组用户组织自己的竖井在他们之间共享数据，而不使系统的所有其他用户和应用程序开发人员都可以使用这些数据。我脑海中有一个学术协作应用，但最简单的例子是两个用户之间的私人消息。我猜人们可以尝试在C...

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