diff --git a/docs/cryptosystems.drawio b/docs/cryptosystems.drawio
index e41007a..3e2ebad 100644
--- a/docs/cryptosystems.drawio
+++ b/docs/cryptosystems.drawio
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/operator/caller.py b/operator/caller.py
new file mode 100644
index 0000000..e69de29
diff --git a/operator/operator.py b/operator/operator.py
new file mode 100644
index 0000000..c524c6a
--- /dev/null
+++ b/operator/operator.py
@@ -0,0 +1,84 @@
+"""
+There is only one operator!
+Running on node prime.
+"""
+import os
+from flask import Flask
+from flask import request
+import asyncio
+from pythemis.skeygen import KEY_PAIR_TYPE, GenerateKeyPair
+from pythemis.smessage import SMessage, ssign, sverify
+from pythemis.exception import ThemisError
+from base64 import b64encode,b64decode
+BSEP=b'||||||||||'
+BSEP2=b'@@@@@@@@@@'
+BSEP3=b'##########'
+
+HOME_OPERATOR = os.path.abspath(__file__)
+PATH_DB_KEYS = os.path.join(HOME_OPERATOR, '.keydb')
+
+keyhome = os.path.join(os.path.expanduser('~'),'.komrade','.keyserver')
+if not os.path.exists(keyhome): os.makedirs(keyhome)
+
+keyserver = 'komrade.app'
+keyserver_port = 5566
+
+app = Flask(__name__)
+
+async def init():
+    from api import Api
+    api = Api()
+    # keyserver = await api.personate('keyserver')
+
+    keypair = GenerateKeyPair(KEY_PAIR_TYPE.EC)
+    privkey = keypair.export_private_key()
+    pubkey = keypair.export_public_key()
+
+    print('pubkey:',pubkey)
+    with open('.keyserver.loc','wb') as of: of.write(b64encode(pubkey))
+    with open(os.path.join(keyhome,'.keyserver.key'),'wb') as of: of.write(b64encode(privkey))    
+
+## load pubkey
+PATH_PUBKEY = os.path.join(os.path.dirname(__file__),'.keyserver.loc')
+PATH_PRIVKEY = os.path.join(keyhome,'.keyserver.key')
+if not os.path.exists(PATH_PRIVKEY) or not os.path.exists(PATH_PUBKEY):
+    asyncio.run(init())
+
+with open(PATH_PUBKEY) as f:
+    PUBKEY_b64 = f.read()
+    PUBKEY = b64decode(PUBKEY_b64)
+with open(PATH_PRIVKEY) as f:
+    PRIVKEY_b64 = f.read()
+    PRIVKEY = b64decode(PRIVKEY_b64)
+
+@app.route('/pub')
+def pubkey():
+    return PUBKEY_b64
+
+@app.route('/add/<name>',methods=['POST'])
+def add(name):
+    key_fn = os.path.join(keyhome,name+'.loc')
+    if not os.path.exists(key_fn):
+        with open(key_fn,'wb') as of:
+            pubkey,signed_pubkey=request.data.split(BSEP)
+            server_signed_pubkey = b64encode(ssign(PRIVKEY,pubkey))
+            package = pubkey + BSEP + signed_pubkey + BSEP + server_signed_pubkey
+            package_b64 = b64encode(package)
+            print('add package -->',package)     
+            print('add package_b64 -->',package_b64)
+            of.write(package_b64)
+            return package_b64
+    return None
+
+@app.route('/get/<name>')
+def get(name):
+    key_fn = os.path.join(keyhome,name+'.loc')
+    if os.path.exists(key_fn):
+        with open(key_fn,'rb') as f:
+            signed_key=f.read()
+            return signed_key
+    return b''
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0',port=keyserver_port)
+    # asyncio.run(init())
\ No newline at end of file