diff --git a/contracts/test/signing.ts b/contracts/test/signing.ts
index 5a9e24e3..844134c7 100644
--- a/contracts/test/signing.ts
+++ b/contracts/test/signing.ts
@@ -243,8 +243,11 @@ describe('Signing', function () {
     const result = await se.testVerify(6, sigSigner, CONTEXT, msg, sig);
     expect(result).eq(true);
 
-    // Test key generation
+    // Test key generation on-chian matches JS implementation
     const generatedKey = await se.testKeygen(6, secretSeed);
+    expect(hexlify(getBytes(generatedKey.secretKey).slice(0,64))).eq(hexlify(secretKey));
+    expect(generatedKey.publicKey).eq(hexlify(publicKey));
+
     // 64 byte secret, appended with 32 byte public key
     expect(getBytes(generatedKey.publicKey).length).eq(32);
     expect(getBytes(generatedKey.secretKey).length).eq(96);