diff --git a/apps/desktop/native-messaging-test-runner/src/native-message.service.ts b/apps/desktop/native-messaging-test-runner/src/native-message.service.ts
index c01d581afe8..c2356f93e28 100644
--- a/apps/desktop/native-messaging-test-runner/src/native-message.service.ts
+++ b/apps/desktop/native-messaging-test-runner/src/native-message.service.ts
@@ -220,7 +220,7 @@ export default class NativeMessageService {
 
     const sharedKey = await this.getSharedKeyForKey(key);
 
-    return this.encryptService.encrypt(commandDataString, sharedKey);
+    return this.encryptService.encryptString(commandDataString, sharedKey);
   }
 
   private async decryptResponsePayload(
@@ -228,11 +228,7 @@ export default class NativeMessageService {
     key: string,
   ): Promise<DecryptedCommandData> {
     const sharedKey = await this.getSharedKeyForKey(key);
-    const decrypted = await this.encryptService.decryptToUtf8(
-      payload,
-      sharedKey,
-      "native-messaging-session",
-    );
+    const decrypted = await this.encryptService.decryptString(payload, sharedKey);
 
     return JSON.parse(decrypted);
   }
diff --git a/apps/desktop/src/services/duckduckgo-message-handler.service.ts b/apps/desktop/src/services/duckduckgo-message-handler.service.ts
index e82444be993..6fb91231be1 100644
--- a/apps/desktop/src/services/duckduckgo-message-handler.service.ts
+++ b/apps/desktop/src/services/duckduckgo-message-handler.service.ts
@@ -168,7 +168,7 @@ export class DuckDuckGoMessageHandlerService {
     payload: DecryptedCommandData,
     key: SymmetricCryptoKey,
   ): Promise<EncString> {
-    return await this.encryptService.encrypt(JSON.stringify(payload), key);
+    return await this.encryptService.encryptString(JSON.stringify(payload), key);
   }
 
   private async decryptPayload(message: EncryptedMessage): Promise<DecryptedCommandData> {
@@ -188,10 +188,9 @@ export class DuckDuckGoMessageHandlerService {
     }
 
     try {
-      let decryptedResult = await this.encryptService.decryptToUtf8(
+      let decryptedResult = await this.encryptService.decryptString(
         message.encryptedCommand as EncString,
         this.duckduckgoSharedSecret,
-        "ddg-shared-key",
       );
 
       decryptedResult = this.trimNullCharsFromMessage(decryptedResult);