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    <title>MongoDB Jira</title>
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    <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>[JAVA-2510] Cache SCRAM-SHA-1 ClientKey</title>
                <link>https://jira.mongodb.org/browse/JAVA-2510</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;SCRAM-SHA-1, by design, consumes a great deal of CPU resources while performing authentication. This can be a problem while populating connection pools, where many clients are authenticating at once. Fortunately, most of the expensive computations of SCRAM can be reused across multiple authentication requests. &lt;a href=&quot;https://tools.ietf.org/html/rfc5802#section-5.1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;RFC 5802&lt;/a&gt; makes provisions for this:&lt;/p&gt;


&lt;blockquote&gt;&lt;p&gt;Note that a client implementation MAY cache ClientKey&amp;amp;ServerKey (or just SaltedPassword) for later reauthentication to the same service, as it is likely that the server is going to advertise the same salt value upon reauthentication. This might be useful for mobile clients where CPU usage is a concern.&lt;/p&gt;&lt;/blockquote&gt;</description>
                <environment></environment>
        <key id="381287">JAVA-2510</key>
            <summary>Cache SCRAM-SHA-1 ClientKey</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="13201">Fixed</resolution>
                                        <assignee username="ross@mongodb.com">Ross Lawley</assignee>
                                    <reporter username="rathi.gnanasekaran">Rathi Gnanasekaran</reporter>
                        <labels>
                    </labels>
                <created>Fri, 5 May 2017 19:41:33 +0000</created>
                <updated>Sun, 29 Oct 2023 02:32:43 +0000</updated>
                            <resolved>Thu, 12 Apr 2018 07:56:39 +0000</resolved>
                                                    <fixVersion>3.8.0</fixVersion>
                                    <component>Security</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1862241" author="xgen-internal-githook" created="Thu, 12 Apr 2018 07:55:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;ross.lawley@gmail.com&apos;, &apos;name&apos;: &apos;Ross Lawley&apos;, &apos;username&apos;: &apos;rozza&apos;}
&lt;p&gt;Message: SCRAM-SHA Client &amp;amp; Server Key cache&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-2510&quot; title=&quot;Cache SCRAM-SHA-1 ClientKey&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-2510&quot;&gt;&lt;del&gt;JAVA-2510&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/258807ecba22b1e755e7b1f11f6a9f8798584bb0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/258807ecba22b1e755e7b1f11f6a9f8798584bb0&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1819574" author="ross@10gen.com" created="Thu, 1 Mar 2018 10:00:14 +0000"  >&lt;p&gt;PR: &lt;a href=&quot;https://github.com/rozza/mongo-java-driver/pull/256&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/rozza/mongo-java-driver/pull/256&lt;/a&gt;&lt;/p&gt;</comment>
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                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="337153">DRIVERS-343</issuekey>
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