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    <title>topic Failure to Authorize OAuth2 authentication: SSLException: MAC values do not match in Dropbox API Support &amp; Feedback</title>
    <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Failure-to-Authorize-OAuth2-authentication-SSLException-MAC/m-p/761027#M33234</link>
    <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am trying to access my dropbox via the API, from the SAP Integration Suite Platform (&lt;A href="https://api.sap.com/package/DropboxAdapterforSAPIntegrationSuite/overview" target="_blank"&gt;Overview | Dropbox Adapter for SAP Integration Suite | SAP Business Accelerator Hub&lt;/A&gt;).&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I have setup the authentication according to the different guides (see screenshots below) on the SAP and Dropbox sides.&lt;/P&gt;&lt;P&gt;SAP side:&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Switch1_0-1711965811152.png" style="width: 400px;"&gt;&lt;img src="https://www.dropboxforum.com/t5/image/serverpage/image-id/45166i7B6DF4D76EC5DE4C/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Switch1_0-1711965811152.png" alt="Switch1_0-1711965811152.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;DropBox Side&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Switch1_1-1711965867239.png" style="width: 400px;"&gt;&lt;img src="https://www.dropboxforum.com/t5/image/serverpage/image-id/45167iFCB8CD7E99486CE3/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Switch1_1-1711965867239.png" alt="Switch1_1-1711965867239.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;The connection was working a few months back, when I tried it the 1st time.&lt;/P&gt;&lt;P&gt;However now, as I am doing the setup again, when I try to authorize the connection, I get this error message:&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Switch1_2-1711965957717.png" style="width: 400px;"&gt;&lt;img src="https://www.dropboxforum.com/t5/image/serverpage/image-id/45168i3F889FCE23BDCA33/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Switch1_2-1711965957717.png" alt="Switch1_2-1711965957717.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Switch1_3-1711965985816.png" style="width: 400px;"&gt;&lt;img src="https://www.dropboxforum.com/t5/image/serverpage/image-id/45169iB72D1EF5CED8463B/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Switch1_3-1711965985816.png" alt="Switch1_3-1711965985816.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;[OAuthCodeCredentialManagement][OAUTH][ProblemDuringCallingTokenEndpointWithCode]:Problem during calling the token endpoint of OAuth2 Authorization Code Credential "DropBox" with grant type authorization_code: Problem during requesting the refresh token for the OAuth2 Authorization Code Credential DropBox: javax.net.ssl.SSLException: MAC values do not match&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I can't find any resources in the forums with this error message.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Any idea what could be the problem ?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Mon, 01 Apr 2024 10:08:14 GMT</pubDate>
    <dc:creator>Switch1</dc:creator>
    <dc:date>2024-04-01T10:08:14Z</dc:date>
    <item>
      <title>Failure to Authorize OAuth2 authentication: SSLException: MAC values do not match</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Failure-to-Authorize-OAuth2-authentication-SSLException-MAC/m-p/761027#M33234</link>
      <description>&lt;P&gt;Hello,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am trying to access my dropbox via the API, from the SAP Integration Suite Platform (&lt;A href="https://api.sap.com/package/DropboxAdapterforSAPIntegrationSuite/overview" target="_blank"&gt;Overview | Dropbox Adapter for SAP Integration Suite | SAP Business Accelerator Hub&lt;/A&gt;).&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I have setup the authentication according to the different guides (see screenshots below) on the SAP and Dropbox sides.&lt;/P&gt;&lt;P&gt;SAP side:&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Switch1_0-1711965811152.png" style="width: 400px;"&gt;&lt;img src="https://www.dropboxforum.com/t5/image/serverpage/image-id/45166i7B6DF4D76EC5DE4C/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Switch1_0-1711965811152.png" alt="Switch1_0-1711965811152.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;DropBox Side&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Switch1_1-1711965867239.png" style="width: 400px;"&gt;&lt;img src="https://www.dropboxforum.com/t5/image/serverpage/image-id/45167iFCB8CD7E99486CE3/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Switch1_1-1711965867239.png" alt="Switch1_1-1711965867239.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;The connection was working a few months back, when I tried it the 1st time.&lt;/P&gt;&lt;P&gt;However now, as I am doing the setup again, when I try to authorize the connection, I get this error message:&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Switch1_2-1711965957717.png" style="width: 400px;"&gt;&lt;img src="https://www.dropboxforum.com/t5/image/serverpage/image-id/45168i3F889FCE23BDCA33/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Switch1_2-1711965957717.png" alt="Switch1_2-1711965957717.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Switch1_3-1711965985816.png" style="width: 400px;"&gt;&lt;img src="https://www.dropboxforum.com/t5/image/serverpage/image-id/45169iB72D1EF5CED8463B/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Switch1_3-1711965985816.png" alt="Switch1_3-1711965985816.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;[OAuthCodeCredentialManagement][OAUTH][ProblemDuringCallingTokenEndpointWithCode]:Problem during calling the token endpoint of OAuth2 Authorization Code Credential "DropBox" with grant type authorization_code: Problem during requesting the refresh token for the OAuth2 Authorization Code Credential DropBox: javax.net.ssl.SSLException: MAC values do not match&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I can't find any resources in the forums with this error message.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Any idea what could be the problem ?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 01 Apr 2024 10:08:14 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Failure-to-Authorize-OAuth2-authentication-SSLException-MAC/m-p/761027#M33234</guid>
      <dc:creator>Switch1</dc:creator>
      <dc:date>2024-04-01T10:08:14Z</dc:date>
    </item>
    <item>
      <title>Re: Failure to Authorize OAuth2 authentication: SSLException: MAC values do not match</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Failure-to-Authorize-OAuth2-authentication-SSLException-MAC/m-p/761096#M33242</link>
      <description>&lt;P&gt;That error message isn't coming from Dropbox itself, so we can't offer too much help with that unfortunately.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;It seems to indicate that there was an issue with the SSL/TLS connection your app is attempting. You may need to reach out to your system/network admin for help troubleshooting your network connection.&lt;/P&gt;</description>
      <pubDate>Mon, 01 Apr 2024 16:43:00 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Failure-to-Authorize-OAuth2-authentication-SSLException-MAC/m-p/761096#M33242</guid>
      <dc:creator>Greg-DB</dc:creator>
      <dc:date>2024-04-01T16:43:00Z</dc:date>
    </item>
    <item>
      <title>Re: Failure to Authorize OAuth2 authentication: SSLException: MAC values do not match</title>
      <link>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Failure-to-Authorize-OAuth2-authentication-SSLException-MAC/m-p/761208#M33255</link>
      <description>&lt;P&gt;Thanks for the reply, I will check with SAP support&lt;/P&gt;</description>
      <pubDate>Tue, 02 Apr 2024 08:43:54 GMT</pubDate>
      <guid>https://www.dropboxforum.com/t5/Dropbox-API-Support-Feedback/Failure-to-Authorize-OAuth2-authentication-SSLException-MAC/m-p/761208#M33255</guid>
      <dc:creator>Switch1</dc:creator>
      <dc:date>2024-04-02T08:43:54Z</dc:date>
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