diff --git a/auto_migrate/config_generate_contract.sh b/auto_migrate/config_generate_contract.sh
index f96540f..bd48c58 100755
--- a/auto_migrate/config_generate_contract.sh
+++ b/auto_migrate/config_generate_contract.sh
@@ -146,6 +146,7 @@ disable_periodic = true
 [secretstore]
 disable = false
 disable_acl_check = true
+service_contract = \"registry\"
 self_secret = \"${secret[i]}\"
 nodes = [$ssnodes]
 interface = \"local\"
diff --git a/sign_test/generate_signature.py b/sign_test/generate_signature.py
new file mode 100755
index 0000000..82b95f1
--- /dev/null
+++ b/sign_test/generate_signature.py
@@ -0,0 +1,12 @@
+#!/usr/bin/python2.7
+import secp256k1 # install by typing `pip install secp256k1`
+
+key_id = bytes(bytearray.fromhex('0000000000000000000000000000000000000000000000000000000000000001'))
+sk = secp256k1.PrivateKey()
+sig_raw = sk.ecdsa_sign_recoverable(key_id, raw=True)
+sig_der = sk.ecdsa_recoverable_serialize(sig_raw)
+pub_der = sk.pubkey.serialize(compressed=False)
+
+print 'SECRET: ' + ''.join('{:02x}'.format(ord(c)) for c in sk.private_key)
+print 'PUBLIC: ' + ''.join('{:02x}'.format(ord(c)) for c in pub_der[1:])
+print 'SIGNATURE: ' + ''.join('{:02x}'.format(ord(c)) for c in sig_der[0]) + '{:02x}'.format(sig_der[1])
\ No newline at end of file