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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-28178] Implement cluster time key access and management</title>
                <link>https://jira.mongodb.org/browse/SERVER-28178</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This ticket was spun off from &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27768&quot; title=&quot;Implement HMAC key for signing Logical clock&amp;#39;s storage &amp;amp; distribution&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27768&quot;&gt;&lt;del&gt;SERVER-27768&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;As described in that ticket, the key the mongos and mongod will use to verify the clusterTime will be generated by the config server primary during transition to primary. It will be stored in the admin.system.keys with the following format:&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;

&lt;p&gt;mongod &amp;amp; mongos behavior:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;After startup, read the key document from config&lt;/li&gt;
	&lt;li&gt;Initialize TimeProofService with the key&lt;/li&gt;
	&lt;li&gt;Attach TimeProofService to LogicalClock&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;special for config server:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;After becoming primary, upsert the key document as described above&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;The key will be fetched from the config server through a new method on the ShardingCatalogClient, and the key will be stored on the config server through a new method on the ShardingCatalogManager.&lt;/p&gt;</description>
                <environment></environment>
        <key id="360109">SERVER-28178</key>
            <summary>Implement cluster time key access and management</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="jack.mulrow@mongodb.com">Jack Mulrow</assignee>
                                    <reporter username="jack.mulrow@mongodb.com">Jack Mulrow</reporter>
                        <labels>
                    </labels>
                <created>Thu, 2 Mar 2017 18:58:53 +0000</created>
                <updated>Mon, 29 Jan 2018 18:34:33 +0000</updated>
                            <resolved>Fri, 5 May 2017 14:49:27 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
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                    <name>Duplicate</name>
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            <issuekey id="357634">SERVER-28127</issuekey>
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