diff --git a/twake/backend/node/src/core/crypto/legacy.ts b/twake/backend/node/src/core/crypto/legacy.ts
index f18479e0..63a61527 100644
--- a/twake/backend/node/src/core/crypto/legacy.ts
+++ b/twake/backend/node/src/core/crypto/legacy.ts
@@ -2,7 +2,7 @@ import { createDecipheriv } from "crypto";
 import { CryptoResult } from ".";
 
 const PREFIX = "encrypted_";
-const DEFAULT_IV = "twake_constantiv";
+// const DEFAULT_IV = Buffer.from("twake_constantiv", "utf-8");
 
 export default {
   decrypt,
@@ -25,9 +25,9 @@ function decrypt(data: string, encryptionKey: string): CryptoResult {
   const salt = encryptedArray[1]
     ? Buffer.from(encryptedArray[1], "utf-8")
     : Buffer.from("", "utf-8");
-  const iv = encryptedArray[2]
+  const iv = encryptedArray.length >= 3
     ? Buffer.from(encryptedArray[2], "base64")
-    : Buffer.from(DEFAULT_IV, "utf-8");
+    : Buffer.from("twake_constantiv", "utf-8");
   const password = Buffer.concat([Buffer.from(encryptionKey, "hex"), salt], 32);
   const decipher = createDecipheriv("AES-256-CBC", password, iv);
 
diff --git a/twake/backend/node/test/unit/core/services/database/services/utils.test.ts b/twake/backend/node/test/unit/core/services/database/services/utils.test.ts
new file mode 100644
index 00000000..11fbac06
--- /dev/null
+++ b/twake/backend/node/test/unit/core/services/database/services/utils.test.ts
@@ -0,0 +1,31 @@
+import "reflect-metadata";
+import { describe, expect, it } from "@jest/globals";
+import {
+  fromMongoDbOrderable,
+  toMongoDbOrderable,
+} from "../../../../../../src/core/platform/services/database/services/orm/utils";
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore
+import _ from "lodash";
+import { v1 as uuidv1 } from "uuid";
+
+describe("The MongoDb to Orderable module", () => {
+  describe("The to/from orderable function", () => {
+    it("should be unique", () => {
+      const uuid1 = toMongoDbOrderable(uuidv1());
+      const uuid2 = toMongoDbOrderable(uuidv1());
+      const uuid3 = toMongoDbOrderable(uuidv1());
+      const uuid4 = toMongoDbOrderable(uuidv1());
+
+      expect(_.uniq([uuid1, uuid2, uuid3, uuid4]).length).toBe(4);
+    });
+
+    it("should convert both ways", () => {
+      const uuid = uuidv1();
+      const orderable = toMongoDbOrderable(uuid);
+
+      expect(fromMongoDbOrderable(orderable)).toBe(uuid);
+      expect(orderable).toBe(toMongoDbOrderable(fromMongoDbOrderable(orderable)));
+    });
+  });
+});
diff --git a/twake/backend/node/test/unit/core/services/encryption/encryption.test.ts b/twake/backend/node/test/unit/core/services/encryption/encryption.test.ts
new file mode 100644
index 00000000..83f7ea1c
--- /dev/null
+++ b/twake/backend/node/test/unit/core/services/encryption/encryption.test.ts
@@ -0,0 +1,31 @@
+import { describe, expect, it } from "@jest/globals";
+import { decrypt } from "../../../../../src/core/crypto/index";
+import v2 from "../../../../../src/core/crypto/v2";
+import v1 from "../../../../../src/core/crypto/v1";
+import legacy from "../../../../../src/core/crypto/legacy";
+
+describe("Encryption", () => {
+  const encryptionKey = "a7c06651a7c063bb3e90c0c9a17eab88ab8977665127196a";
+
+  describe("The encrypt/decrypt functions", () => {
+    it("should successfully describe legacy encrypted values", async () => {
+      const legacyEncrypted = "encrypted_DwMLnKhuFbIanqBJPA5rcw==";
+
+      expect(legacy.decrypt(legacyEncrypted, encryptionKey).data).toBe("My company");
+      expect(decrypt(legacyEncrypted, encryptionKey).data).toBe("My company");
+    });
+
+    it("should successfully describe all versions", async () => {
+      const myData = { key: "some data" };
+
+      const v1Encrypted = v1.encrypt(myData, encryptionKey);
+      const v2Encrypted = v2.encrypt(myData, encryptionKey);
+
+      expect(v1.decrypt(v1Encrypted.data, encryptionKey).data).toMatchObject(myData);
+      expect(v2.decrypt(v2Encrypted.data, encryptionKey).data).toMatchObject(myData);
+
+      expect(decrypt(v1Encrypted.data, encryptionKey).data).toMatchObject(myData);
+      expect(decrypt(v2Encrypted.data, encryptionKey).data).toMatchObject(myData);
+    });
+  });
+});