diff --git a/Makefile b/Makefile
index 0819f69..279f0d4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
 .PHONY: python_clean_online_fxreader_vpn
 
 host_deps:
-	./m host_deps
+	./m.py host_deps
 
 python_lint:
-	./m mypy -- -f vscode 2>&1 | less
+	./m.py mypy -- -f vscode 2>&1 | less
 
 #python_clean_online_fxreader_vpn:
 #	rm -fr \
diff --git a/deps/com.github.aiortc.aiortc b/deps/com.github.aiortc.aiortc
index 7552bcd..41fb87d 160000
--- a/deps/com.github.aiortc.aiortc
+++ b/deps/com.github.aiortc.aiortc
@@ -1 +1 @@
-Subproject commit 7552bcde773823c51c82daa5d9b23ea045df9ec2
+Subproject commit 41fb87dc48ca2b0710e8489fc2de64f1fc82cf15
diff --git a/python/online/fxreader/pr34/commands.py b/python/online/fxreader/pr34/commands.py
index 9ec6b05..a2b124e 100644
--- a/python/online/fxreader/pr34/commands.py
+++ b/python/online/fxreader/pr34/commands.py
@@ -971,23 +971,34 @@ def resilient_vlc(stream=None):
                             pass
         time.sleep(1.0)
 
-def sway_sock():
-    import glob
-    uid = os.stat(os.environ['HOME']).st_uid
-    t1 = glob.glob(
-        os.path.join(
-            '/run',
-            'user',
-            '%d' % uid,
-            'sway-ipc.%d*.sock' % uid,
+def sway_sock(
+    wait: bool = False,
+) -> Optional[str]:
+    while True:
+        import glob
+        uid = os.stat(os.environ['HOME']).st_uid
+        t1 = glob.glob(
+            os.path.join(
+                '/run',
+                'user',
+                '%d' % uid,
+                'sway-ipc.%d*.sock' % uid,
+            )
         )
-    )
-    t2 = [
-        os.stat(o).st_mtime
-        for o in t1
-    ]
-    t3 = sorted(enumerate(t1), key=lambda x: t2[x[0]])[-1][0]
-    return t1[t3]
+        t2 = [
+            os.stat(o).st_mtime
+            for o in t1
+        ]
+        sorted_entries = sorted(enumerate(t1), key=lambda x: t2[x[0]])
+        if len(sorted_entries) > 0:
+            t3 = sorted_entries[-1][0]
+            return t1[t3]
+        else:
+            if wait:
+                time.sleep(0.1)
+                continue
+            else:
+                return None
 
 def eternal_firefox(
     tabs=None,
@@ -2084,6 +2095,25 @@ def scrap_yt_music(argv: list[str]) -> None:
     for o in context['workers']:
         o.join()
 
+def loginctl(argv: list[str]) -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        '--action',
+        choices=[
+            'lock-session',
+        ],
+    )
+
+    options = parser.parse_args(argv)
+
+    if options.action == 'lock-session':
+        subprocess.check_call(r'''
+            loginctl list-sessions -j | jq -r ".[] | select(.uid==$UID) | \
+            .session" | loginctl lock-session
+        ''', shell=True, timeout=1)
+    else:
+        raise NotImplementedError
+
 def desktop_services(argv):
     parser = optparse.OptionParser()
     parser.add_option(
@@ -2606,7 +2636,15 @@ echo 6500 > /sys/bus/platform/devices/applesmc.768/fan1_output;
     else:
         pass
 
-    os.environ['SWAYSOCK'] = sway_sock()
+    #logger.info(dict(
+    #    environ=os.environ,
+    #    #session=subprocess.check_output(['loginctl', 'show-session'], timeout=1,),
+    #))
+
+    sway_sock_res = sway_sock(True)
+
+    if sway_sock_res:
+        os.environ['SWAYSOCK'] = sway_sock_res
 
     assert all([
         env_name in os.environ
@@ -2614,7 +2652,8 @@ echo 6500 > /sys/bus/platform/devices/applesmc.768/fan1_output;
             'GTK_IM_MODULE',
             'XMODIFIERS',
             'QT_IM_MODULE',
-            'I3SOCK',
+            #'I3SOCK',
+            #'XDG_SEAT',
             'SWAYSOCK',
             'WAYLAND_DISPLAY',
         ]
@@ -2684,7 +2723,8 @@ echo 6500 > /sys/bus/platform/devices/applesmc.768/fan1_output;
                     unlock='echo unlock; pkill --signal SIGINT swaylock; swaymsg "output * dpms on";',
                     unlock2='pkill --signal SIGINT swaylock;',
                     resume='echo resume; swaymsg "output * dpms on";',
-                    before_sleep='echo before_sleep; loginctl lock-session;',
+                    before_sleep='echo before_sleep; commands loginctl lock-session;',
+                    #before_sleep='echo blah;',
                     after_resume='echo after_resume; pkill --signal SIGUSR1 swayidle;',
                 )
                 self.last_force_idle = None
@@ -3886,6 +3926,7 @@ class Command(enum.StrEnum):
     socat_ssh = 'socat-ssh'
     gnome_shortcuts = 'gnome-shortcuts'
     sway_sock = 'sway_sock'
+    loginctl = 'loginctl'
     suspend_timer = 'suspend-timer'
     desktop_services = 'desktop-services'
     pm_service = 'pm-service'
@@ -4027,6 +4068,8 @@ def commands_cli(
                 gnome_shortcuts(args)
             elif options.command is Command.sway_sock:
                 print(sway_sock())
+            elif options.command is Command.loginctl:
+                loginctl(args)
             elif options.command is Command.suspend_timer:
                 suspend_timer(args)
             elif options.command is Command.desktop_services:
diff --git a/python/online/fxreader/pr34/commands_typed/crypto.py b/python/online/fxreader/pr34/commands_typed/crypto.py
new file mode 100644
index 0000000..68832ef
--- /dev/null
+++ b/python/online/fxreader/pr34/commands_typed/crypto.py
@@ -0,0 +1,45 @@
+from typing import (Literal,)
+
+class PasswordUtils:
+  @classmethod
+  def encrypt(
+    cls,
+    key: str,
+    mode: Literal['bytes', 'base64'],
+  ) -> tuple[str, str]:
+    import os
+
+    from cryptography.hazmat.primitives.kdf.scrypt import Scrypt
+
+    salt = os.urandom(16)
+
+    # derive
+    kdf = Scrypt(
+      salt=salt,
+      length=32,
+      n=2**14,
+      r=8,
+      p=1,
+    )
+
+    key = kdf.derive(key.encode('utf-8'))
+
+    if mode == 'bytes':
+      return (salt, key)
+    elif mode == 'base64':
+      return ':'.join([
+        base64.b64encode(o, width=0).decode('utf-8')
+        for o in [salt, key,]
+      ])
+
+    # # verify
+    # kdf = Scrypt(
+    #   salt=salt,
+    #   length=32,
+    #   n=2**14,
+    #   r=8,
+    #   p=1,
+    # )
+    #
+    # kdf.verify(b"my great password", key)
+    #
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 003c373..53430da 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -12,7 +12,12 @@ dependencies = [
 
 [project.optional-dependencies]
 early = [
-    'numpy'
+    'numpy',
+    'cryptography',
+]
+
+crypto = [
+    'cryptography',
 ]
 
 [tool.online-fxreader-pr34]