diff --git a/dev/Stores/User/GnuPG.js b/dev/Stores/User/GnuPG.js
index 0376ac379..33961d3d6 100644
--- a/dev/Stores/User/GnuPG.js
+++ b/dev/Stores/User/GnuPG.js
@@ -11,8 +11,12 @@ import Remote from 'Remote/User/Fetch';
 
 import { showScreenPopup } from 'Knoin/Knoin';
 import { OpenPgpKeyPopupView } from 'View/Popup/OpenPgpKey';
+import { AskPopupView } from 'View/Popup/Ask';
 
 const
+	askPassphrase = async privateKey =>
+		await AskPopupView.password('GnuPG key<br>' + privateKey.id + ' ' + privateKey.emails[0]),
+
 	findGnuPGKey = (keys, query, sign) =>
 		keys.find(key =>
 			key[sign ? 'can_sign' : 'can_decrypt']
@@ -169,7 +173,7 @@ export const GnuPGUserStore = new class {
 					Uid: message.uid,
 					PartId: pgpInfo.PartId,
 					KeyId: key.id,
-					Passphrase: prompt('GnuPG Passphrase for ' + key.id + ' ' + key.uids[0].uid),
+					Passphrase: await askPassphrase(key),
 					Data: '' // message.plain() optional
 				}
 				if (null !== params.Passphrase) {
@@ -199,4 +203,12 @@ export const GnuPGUserStore = new class {
 		}
 	}
 
+	async sign(/*text, privateKey, detached*/) {
+		throw 'Sign failed';
+	}
+
+	async encrypt(/*text, recipients, signPrivateKey*/) {
+		throw 'Encrypt failed';
+	}
+
 };
diff --git a/dev/Stores/User/OpenPGP.js b/dev/Stores/User/OpenPGP.js
index bc67b7dc5..71aa673c0 100644
--- a/dev/Stores/User/OpenPGP.js
+++ b/dev/Stores/User/OpenPGP.js
@@ -11,6 +11,7 @@ import Remote from 'Remote/User/Fetch';
 
 import { showScreenPopup } from 'Knoin/Knoin';
 import { OpenPgpKeyPopupView } from 'View/Popup/OpenPgpKey';
+import { AskPopupView } from 'View/Popup/Ask';
 
 const
 	findOpenPGPKey = (keys, query/*, sign*/) =>
@@ -18,6 +19,9 @@ const
 			key.emails.includes(query) || query == key.id || query == key.fingerprint
 		),
 
+	askPassphrase = async privateKey =>
+		await AskPopupView.password('OpenPGP.js key<br>' + privateKey.id + ' ' + privateKey.emails[0]),
+
 	/**
 	 * OpenPGP.js v5 removed the localStorage (keyring)
 	 * This should be compatible with the old OpenPGP.js v2
@@ -180,8 +184,8 @@ export const OpenPGPUserStore = new class {
 			}
 		}
 		if (privateKey) try {
-			// Ask passphrase of private key
-			const passphrase = prompt('OpenPGP.js Passphrase for ' + privateKey.id + ' ' + privateKey.emails[0]);
+			const passphrase = await askPassphrase(privateKey);
+
 			if (null !== passphrase) {
 				const
 					publicKey = findOpenPGPKey(this.publicKeys, sender/*, sign*/),
@@ -243,7 +247,7 @@ export const OpenPGPUserStore = new class {
 	 * https://docs.openpgpjs.org/global.html#sign
 	 */
 	async sign(text, privateKey, detached) {
-		const passphrase = prompt('OpenPGP.js Passphrase for ' + privateKey.id + ' ' + privateKey.emails[0]);
+		const passphrase = await askPassphrase(privateKey);
 		if (null !== passphrase) {
 			privateKey = await openpgp.decryptKey({
 				privateKey: privateKey.key,
@@ -258,7 +262,7 @@ export const OpenPGPUserStore = new class {
 				detached: !!detached
 			});
 		}
-		return false;
+		throw 'Sign cancelled';
 	}
 
 	/**
@@ -269,7 +273,7 @@ export const OpenPGPUserStore = new class {
 		recipients = recipients.map(email => this.publicKeys().find(key => key.emails.includes(email))).filter(key => key);
 		if (count === recipients.length) {
 			if (signPrivateKey) {
-				const passphrase = prompt('OpenPGP.js Passphrase for ' + signPrivateKey.id + ' ' + signPrivateKey.emails[0]);
+				const passphrase = await askPassphrase(signPrivateKey);
 				if (null === passphrase) {
 					return;
 				}
@@ -285,6 +289,7 @@ export const OpenPGPUserStore = new class {
 //				signature
 			});
 		}
+		throw 'Encrypt failed';
 	}
 
 };
diff --git a/dev/View/Popup/Ask.js b/dev/View/Popup/Ask.js
index 87b7e64e5..dadf6a9a2 100644
--- a/dev/View/Popup/Ask.js
+++ b/dev/View/Popup/Ask.js
@@ -42,8 +42,8 @@ class AskPopupView extends AbstractViewPopup {
 	 * @param {boolean=} bFocusYesOnShow = true
 	 * @returns {void}
 	 */
-	onShow(askDesc, fYesFunc = null, fNoFunc = null, yesButton = '', noButton = '', isFocusYesOnShow = true) {
-		this.askDesc(askDesc || '');
+	onShow(sAskDesc, fYesFunc = null, fNoFunc = null, yesButton = '', noButton = '', isFocusYesOnShow = true) {
+		this.askDesc(sAskDesc || '');
 		this.yesButton(yesButton || i18n('POPUPS_ASK/BUTTON_YES'));
 		this.noButton(noButton || i18n('POPUPS_ASK/BUTTON_NO'));
 		this.fYesAction = fYesFunc;
@@ -75,4 +75,17 @@ class AskPopupView extends AbstractViewPopup {
 	}
 }
 
+AskPopupView.password = function(sAskDesc) {
+	return new Promise(resolve => {
+		this.showModal([
+			sAskDesc + `<p>${i18n('GLOBAL/PASSWORD')}: <input type="password" autofocus=""></p>`,
+			() => resolve(this.__dom.querySelector('input[type="password"]').value),
+			() => resolve(null),
+			'',
+			i18n('GLOBAL/CANCEL'),
+			false
+		]);
+	});
+}
+
 export { AskPopupView, AskPopupView as default };