diff --git a/css/admin.scss b/css/admin.scss
index 0d2a579709..e3288991dd 100644
--- a/css/admin.scss
+++ b/css/admin.scss
@@ -27,6 +27,10 @@ input#zoteroAPIKeyField {
 	width: 300px;
 }
 
+textarea#documentSigningCaField {
+	width: 600px;
+}
+
 #richdocuments,
 #richdocuments-templates {
 	// inline buttons on section headers
diff --git a/lib/Controller/SettingsController.php b/lib/Controller/SettingsController.php
index d2eebe3a57..e4af5ca6cd 100644
--- a/lib/Controller/SettingsController.php
+++ b/lib/Controller/SettingsController.php
@@ -235,7 +235,8 @@ public function updateWatermarkSettings($settings = []): JSONResponse {
 	 * @return JSONResponse
 	 */
 	public function setPersonalSettings($templateFolder,
-		$zoteroAPIKeyInput) {
+		$zoteroAPIKeyInput,
+		$documentSigningCaInput) {
 		$message = $this->l10n->t('Saved');
 		$status = 'success';
 
@@ -256,6 +257,15 @@ public function setPersonalSettings($templateFolder,
 			}
 		}
 
+		if ($documentSigningCaInput !== null) {
+			try {
+				$this->config->setUserValue($this->userId, 'richdocuments', 'documentSigningCa', $documentSigningCaInput);
+			} catch (PreConditionNotMetException $e) {
+				$message = $this->l10n->t('Error when saving');
+				$status = 'error';
+			}
+		}
+
 		$response = [
 			'status' => $status,
 			'data' => ['message' => $message]
diff --git a/lib/Service/CapabilitiesService.php b/lib/Service/CapabilitiesService.php
index e15cc7a660..a97c7a234b 100644
--- a/lib/Service/CapabilitiesService.php
+++ b/lib/Service/CapabilitiesService.php
@@ -85,6 +85,10 @@ public function hasWASMSupport(): bool {
 		return $this->getCapabilities()['hasWASMSupport'] ?? false;
 	}
 
+	public function hasDocumentSigningSupport(): bool {
+		return $this->getCapabilities()['hasDocumentSigningSupport'] ?? false;
+	}
+
 	public function hasFormFilling(): bool {
 		return $this->isVersionAtLeast('24.04.5.2');
 	}
diff --git a/lib/Settings/Personal.php b/lib/Settings/Personal.php
index 03c544597c..352b89ab73 100644
--- a/lib/Settings/Personal.php
+++ b/lib/Settings/Personal.php
@@ -45,6 +45,8 @@ public function getForm() {
 			'personal',
 			[
 				'templateFolder' => $this->config->getUserValue($this->userId, 'richdocuments', 'templateFolder', ''),
+				'hasDocumentSigningSupport' => $this->capabilitiesService->hasDocumentSigningSupport(),
+				'documentSigningCa' => $this->config->getUserValue($this->userId, 'richdocuments', 'documentSigningCa', ''),
 				'hasZoteroSupport' => $this->capabilitiesService->hasZoteroSupport(),
 				'zoteroAPIKey' => $this->config->getUserValue($this->userId, 'richdocuments', 'zoteroAPIKey', '')
 			],
diff --git a/src/personal.js b/src/personal.js
index bbff0019ae..28e5bcaf16 100644
--- a/src/personal.js
+++ b/src/personal.js
@@ -17,6 +17,10 @@ import { showError } from '@nextcloud/dialogs'
 		this.zoteroAPIKeySaveButton = document.getElementById('zoteroAPIKeySave')
 		this.zoteroAPIKeyRemoveButton = document.getElementById('zoteroAPIKeyRemove')
 
+		this.documentSigningCaInput = document.getElementById('documentSigningCaField')
+		this.documentSigningCaSaveButton = document.getElementById('documentSigningCaSave')
+		this.documentSigningCaRemoveButton = document.getElementById('documentSigningCaRemove')
+
 		const self = this
 		this.templateSelectButton.addEventListener('click', function() {
 			OC.dialogs.filepicker(t('richdocuments', 'Select a personal template folder'), function(datapath, returntype) {
@@ -31,6 +35,12 @@ import { showError } from '@nextcloud/dialogs'
 		})
 
 		this.zoteroAPIKeyRemoveButton.addEventListener('click', this.resetZoteroAPI.bind(this))
+
+		this.documentSigningCaSaveButton.addEventListener('click', function() {
+			self.updateDocumentSigningCa(self.documentSigningCaInput.value)
+		})
+
+		this.documentSigningCaRemoveButton.addEventListener('click', this.resetDocumentSigningCa.bind(this))
 	}
 
 	PersonalSettings.prototype.updateSetting = function(path) {
@@ -69,6 +79,24 @@ import { showError } from '@nextcloud/dialogs'
 		})
 	}
 
+	PersonalSettings.prototype.updateDocumentSigningCa = function(ca) {
+		const self = this
+		this._updateSetting({ documentSigningCaInput: ca }, function() {
+			self.documentSigningCaInput.value = ca
+		}, function() {
+			showError(t('richdocuments', 'Failed to update the document signing CA chain'))
+		})
+	}
+
+	PersonalSettings.prototype.resetDocumentSigningCa = function() {
+		const self = this
+		this._updateSetting({ documentSigningCaInput: '' }, function() {
+			self.documentSigningCaInput.value = ''
+		}, function() {
+
+		})
+	}
+
 	PersonalSettings.prototype._updateSetting = function(data, successCallback, errorCallback) {
 		OC.msg.startAction('#documents-admin-msg', t('richdocuments', 'Saving …'))
 		const request = new XMLHttpRequest()
diff --git a/templates/personal.php b/templates/personal.php
index b5e08ee81e..ac35a384e3 100644
--- a/templates/personal.php
+++ b/templates/personal.php
@@ -30,5 +30,18 @@
 	<?php } else { ?>
 		<p><em><?php p($l->t('This instance does not support Zotero, because the feature is missing or disabled. Please contact the administration.')); ?></em></p>
 	<?php } ?>
+	<p><strong><?php p($l->t('Document signing')) ?></strong></p>
+	<?php if ($_['hasDocumentSigningSupport']) { ?>
+		<div class="input-wrapper">
+			<p><label for="documentSigningCaField"><?php p($l->t('Enter document signing CA chain')); ?></label><br />
+				<textarea type="text" name="documentSigningCaField" id="documentSigningCaField"><?php p($_['documentSigningCa']); ?></textarea><br />
+				<button id="documentSigningCaSave"><span title="<?php p($l->t('Save document signing CA chain')); ?>" data-toggle="tooltip">Save</span></button>
+				<button id="documentSigningCaRemove"><span  class="icon-delete" title="<?php p($l->t('Remove document signing CA chain')); ?>" data-toggle="tooltip"></span></button>
+			</p>
+			<p><em><?php p($l->t('To use document signing, specify your signing certificate, key and CA chain here.')); ?></em></p>
+		</div>
+	<?php } else { ?>
+		<p><em><?php p($l->t('This instance does not support document signing, because the feature is missing or disabled. Please contact the administrator.')); ?></em></p>
+	<?php } ?>
 	</div>
 </div>