diff --git a/server/src/utils/crypto.ts b/server/src/utils/crypto.ts
new file mode 100644
index 0000000..ed452e8
--- /dev/null
+++ b/server/src/utils/crypto.ts
@@ -0,0 +1,20 @@
+import { generateKeyPairSync } from 'crypto'
+
+type KeyPair = {
+  privateKey: string
+  publicKey: string
+}
+
+export function generateKeyPair(): KeyPair {
+  const { privateKey, publicKey } = generateKeyPairSync('ed25519', {
+    publicKeyEncoding: {
+      type: 'spki',
+      format: 'pem',
+    },
+    privateKeyEncoding: {
+      type: 'pkcs8',
+      format: 'pem',
+    },
+  })
+  return { privateKey, publicKey }
+}
diff --git a/server/tests/utils/crypto.test.ts b/server/tests/utils/crypto.test.ts
new file mode 100644
index 0000000..4c4b17f
--- /dev/null
+++ b/server/tests/utils/crypto.test.ts
@@ -0,0 +1,9 @@
+import { generateKeyPair } from '../../src/utils/crypto'
+
+describe('generateKeyPair', () => {
+  it('should generate a key pair', () => {
+    const keyPair = generateKeyPair()
+    expect(keyPair).toHaveProperty('privateKey')
+    expect(keyPair).toHaveProperty('publicKey')
+  })
+})