diff --git a/__test__/encrypt/EncryptionService.test.ts b/__test__/encrypt/EncryptionService.test.ts
index d1e366c2..3b378088 100644
--- a/__test__/encrypt/EncryptionService.test.ts
+++ b/__test__/encrypt/EncryptionService.test.ts
@@ -1,21 +1,47 @@
 import RsaEncryptionService from '../../src/features/encrypt/EncryptionService'
-import { generateKeyPairSync } from 'crypto'
 
-describe('RsaEncryptionService', () => {
-    const { publicKey, privateKey } = generateKeyPairSync('rsa', {
-        modulusLength: 2048,
-        publicKeyEncoding: {
-            type: 'spki',
-            format: 'pem'
-        },
-        privateKeyEncoding: {
-            type: 'pkcs8',
-            format: 'pem'
-        }
-    })
+const publicKey = `-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu1k4JT719AUz/wuXb2rt
+8933okfM2Iynmc6akSsZWEsW19byzO0UHp8b79xvsmNQKM1wBEBnXb5t+uLjJJZe
+rqCiTB7fBL64tExSKIDIRAlMnQtMfHs/rMgR+o/N2Yo2KimQw9G84goCEbBF2kbw
+5/MQfe43HeEoVWbNfgmRyP8VudO1UtVr07dGoUEWvFjudtd/h5H9THVdEpp2vH2Z
+pSGypn8hRAbOzhIM4ExLOH4ZHb8gPQGiHRGUYXk3Cy95RSf/SpEnRi0p4/63Nx5M
+JNXGM2Jk0RgGcYZcwJvLanT5Xdb9LM/IsDxLKXN+utDUgkzddvJbBC12aLaKaJA5
+LwIDAQAB
+-----END PUBLIC KEY-----`
 
-    const encryptionService = new RsaEncryptionService({ publicKey, privateKey })
+const privateKey = `-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----`
 
+const encryptionService = new RsaEncryptionService({ publicKey, privateKey })
+
+describe('RsaEncryptionService', () => {
     it('should encrypt and decrypt data correctly', () => {
         const data = 'Hello, World!'
         const encryptedData = encryptionService.encrypt(data)