diff --git a/zen/tools/create_ipfsnodeid_from_tmp_secret.dunikey.py b/zen/tools/create_ipfsnodeid_from_tmp_secret.dunikey.py
index 86ded7c..167b691 100755
--- a/zen/tools/create_ipfsnodeid_from_tmp_secret.dunikey.py
+++ b/zen/tools/create_ipfsnodeid_from_tmp_secret.dunikey.py
@@ -8,19 +8,19 @@
 # protoc --python_out=. crypto.proto
 #########################################################################
 
-import os
-import base58
-import base64
+import re, base58, base64, crypto_pb2
 import cryptography.hazmat.primitives.asymmetric.ed25519 as ed25519
 from cryptography.hazmat.primitives import serialization
-import crypto_pb2
-from sys import argv
 
 # TODO controls
 # Capturing keys (from /tmp/secret.dunikey)
-shared_key = os.popen('cat /tmp/secret.dunikey | grep pub | cut -d " " -f 2').read()
-secure_key = os.popen('cat /tmp/secret.dunikey | grep sec | cut -d " " -f 2').read()
 
+dunikey = "/tmp/secret.dunikey"
+for line in open(dunikey, "r"):
+    if re.search("pub", line):
+        shared_key = line.replace('\n','').split(': ')[1]
+    elif re.search("sec", line):
+        secure_key = line.replace('\n','').split(': ')[1]
 
 # Decoding keys
 decoded_shared = base58.b58decode(shared_key)
@@ -46,7 +46,7 @@ pkey = crypto_pb2.PrivateKey()
 pkey.Type = 1
 pkey.Data = ipfs_secure_bytes + ipfs_shared_bytes
 PrivKey = base64.b64encode(pkey.SerializeToString()).decode('ascii')
-print('PrivKEY={}'.format(base64.b64encode(pkey.SerializeToString()).decode('ascii')))
+print('PrivKEY=' + base64.b64encode(pkey.SerializeToString()).decode('ascii'))
 
 # jq '.Identity.PeerID="$PeerID"' ~/.ipfs/config
 # jq '.Identity.PrivKey="$PrivKey"' ~/.ipfs/config