diff --git a/matter/src/core.rs b/matter/src/core.rs
index 71eb6c3..39a903f 100644
--- a/matter/src/core.rs
+++ b/matter/src/core.rs
@@ -62,8 +62,10 @@ impl Matter {
 
         let fabric_mgr = Arc::new(FabricMgr::new()?);
         let acl_mgr = Arc::new(AclMgr::new()?);
+        let mut pase = PaseMgr::new();
         let open_comm_window = fabric_mgr.is_empty();
-        let data_model = DataModel::new(dev_det, dev_att, fabric_mgr.clone(), acl_mgr)?;
+        let data_model =
+            DataModel::new(dev_det, dev_att, fabric_mgr.clone(), acl_mgr, pase.clone())?;
         let mut matter = Box::new(Matter {
             transport_mgr: transport::mgr::Mgr::new()?,
             data_model,
@@ -73,12 +75,11 @@ impl Matter {
             Box::new(InteractionModel::new(Box::new(matter.data_model.clone())));
         matter.transport_mgr.register_protocol(interaction_model)?;
 
-        let mut pase = PaseMgr::new();
         if open_comm_window {
             pase.enable_pase_session(dev_comm.verifier, dev_comm.discriminator)?;
         }
 
-        let secure_channel = Box::new(SecureChannel::new(pase.clone(), matter.fabric_mgr.clone()));
+        let secure_channel = Box::new(SecureChannel::new(pase, matter.fabric_mgr.clone()));
         matter.transport_mgr.register_protocol(secure_channel)?;
         Ok(matter)
     }
diff --git a/matter/src/data_model/core.rs b/matter/src/data_model/core.rs
index 4b0db23..19516fb 100644
--- a/matter/src/data_model/core.rs
+++ b/matter/src/data_model/core.rs
@@ -36,6 +36,7 @@ use crate::{
         },
         InteractionConsumer, Transaction,
     },
+    secure_channel::pake::PaseMgr,
     tlv::{TLVArray, TLVWriter, TagType, ToTLV},
     transport::session::{Session, SessionMode},
 };
@@ -54,6 +55,7 @@ impl DataModel {
         dev_att: Box<dyn DevAttDataFetcher>,
         fabric_mgr: Arc<FabricMgr>,
         acl_mgr: Arc<AclMgr>,
+        pase_mgr: PaseMgr,
     ) -> Result<Self, Error> {
         let dm = DataModel {
             node: Arc::new(RwLock::new(Node::new()?)),
@@ -62,7 +64,14 @@ impl DataModel {
         {
             let mut node = dm.node.write()?;
             node.set_changes_cb(Box::new(dm.clone()));
-            device_type_add_root_node(&mut node, dev_details, dev_att, fabric_mgr, acl_mgr)?;
+            device_type_add_root_node(
+                &mut node,
+                dev_details,
+                dev_att,
+                fabric_mgr,
+                acl_mgr,
+                pase_mgr,
+            )?;
         }
         Ok(dm)
     }
diff --git a/matter/src/data_model/device_types.rs b/matter/src/data_model/device_types.rs
index 71a2cf4..4d68f9c 100644
--- a/matter/src/data_model/device_types.rs
+++ b/matter/src/data_model/device_types.rs
@@ -28,6 +28,7 @@ use super::system_model::access_control::AccessControlCluster;
 use crate::acl::AclMgr;
 use crate::error::*;
 use crate::fabric::FabricMgr;
+use crate::secure_channel::pake::PaseMgr;
 use std::sync::Arc;
 use std::sync::RwLockWriteGuard;
 
@@ -39,6 +40,7 @@ pub fn device_type_add_root_node(
     dev_att: Box<dyn DevAttDataFetcher>,
     fabric_mgr: Arc<FabricMgr>,
     acl_mgr: Arc<AclMgr>,
+    pase_mgr: PaseMgr,
 ) -> Result<u32, Error> {
     // Add the root endpoint
     let endpoint = node.add_endpoint()?;
@@ -52,7 +54,7 @@ pub fn device_type_add_root_node(
     let failsafe = general_commissioning.failsafe();
     node.add_cluster(0, general_commissioning)?;
     node.add_cluster(0, NwCommCluster::new()?)?;
-    node.add_cluster(0, AdminCommCluster::new()?)?;
+    node.add_cluster(0, AdminCommCluster::new(pase_mgr)?)?;
     node.add_cluster(
         0,
         NocCluster::new(dev_att, fabric_mgr, acl_mgr.clone(), failsafe)?,
diff --git a/matter/src/data_model/sdm/admin_commissioning.rs b/matter/src/data_model/sdm/admin_commissioning.rs
index 6e7d7b7..af8149b 100644
--- a/matter/src/data_model/sdm/admin_commissioning.rs
+++ b/matter/src/data_model/sdm/admin_commissioning.rs
@@ -18,6 +18,8 @@
 use crate::cmd_enter;
 use crate::data_model::objects::*;
 use crate::interaction_model::core::IMStatusCode;
+use crate::secure_channel::pake::PaseMgr;
+use crate::secure_channel::spake2p::VerifierData;
 use crate::tlv::{FromTLV, Nullable, OctetStr, TLVElement};
 use crate::{error::*, interaction_model::command::CommandReq};
 use log::{error, info};
@@ -74,7 +76,7 @@ fn attr_admin_vid_new() -> Result<Attribute, Error> {
 }
 
 pub struct AdminCommCluster {
-    window_status: WindowStatus,
+    pase_mgr: PaseMgr,
     base: Cluster,
 }
 
@@ -89,23 +91,16 @@ impl ClusterType for AdminCommCluster {
     fn read_custom_attribute(&self, encoder: &mut dyn Encoder, attr: &AttrDetails) {
         match num::FromPrimitive::from_u16(attr.attr_id) {
             Some(Attributes::WindowStatus) => {
-                let status = self.window_status as u8;
+                let status = 1_u8;
                 encoder.encode(EncodeValue::Value(&status))
             }
             Some(Attributes::AdminVendorId) => {
-                let vid = if self.window_status == WindowStatus::WindowNotOpen {
-                    Nullable::Null
-                } else {
-                    Nullable::NotNull(1_u8)
-                };
+                let vid = Nullable::NotNull(1_u8);
+
                 encoder.encode(EncodeValue::Value(&vid))
             }
             Some(Attributes::AdminFabricIndex) => {
-                let vid = if self.window_status == WindowStatus::WindowNotOpen {
-                    Nullable::Null
-                } else {
-                    Nullable::NotNull(1_u8)
-                };
+                let vid = Nullable::NotNull(1_u8);
                 encoder.encode(EncodeValue::Value(&vid))
             }
             _ => {
@@ -129,9 +124,9 @@ impl ClusterType for AdminCommCluster {
 }
 
 impl AdminCommCluster {
-    pub fn new() -> Result<Box<Self>, Error> {
+    pub fn new(pase_mgr: PaseMgr) -> Result<Box<Self>, Error> {
         let mut c = Box::new(AdminCommCluster {
-            window_status: WindowStatus::WindowNotOpen,
+            pase_mgr,
             base: Cluster::new(ID)?,
         });
         c.base.add_attribute(attr_window_status_new()?)?;
@@ -145,9 +140,11 @@ impl AdminCommCluster {
         cmd_req: &mut CommandReq,
     ) -> Result<(), IMStatusCode> {
         cmd_enter!("Open Commissioning Window");
-        let _req =
+        let req =
             OpenCommWindowReq::from_tlv(&cmd_req.data).map_err(|_| IMStatusCode::InvalidCommand)?;
-        self.window_status = WindowStatus::EnhancedWindowOpen;
+        let verifier = VerifierData::new(req.verifier.0, req.iterations, req.salt.0);
+        self.pase_mgr
+            .enable_pase_session(verifier, req.discriminator)?;
         Err(IMStatusCode::Sucess)
     }
 }
@@ -156,8 +153,8 @@ impl AdminCommCluster {
 #[tlvargs(lifetime = "'a")]
 pub struct OpenCommWindowReq<'a> {
     _timeout: u16,
-    _verifier: OctetStr<'a>,
-    _discriminator: u16,
-    _iterations: u32,
-    _salt: OctetStr<'a>,
+    verifier: OctetStr<'a>,
+    discriminator: u16,
+    iterations: u32,
+    salt: OctetStr<'a>,
 }
diff --git a/matter/src/secure_channel/pake.rs b/matter/src/secure_channel/pake.rs
index 2bf7acd..b006d30 100644
--- a/matter/src/secure_channel/pake.rs
+++ b/matter/src/secure_channel/pake.rs
@@ -42,13 +42,13 @@ use crate::{
 use log::{error, info};
 use rand::prelude::*;
 
-enum PaseSessionState {
+enum PaseMgrState {
     Enabled(PAKE, SysMdnsService),
     Disabled,
 }
 
 pub struct PaseMgrInternal {
-    state: PaseSessionState,
+    state: PaseMgrState,
 }
 
 #[derive(Clone)]
@@ -58,7 +58,7 @@ pub struct PaseMgr(Arc<Mutex<PaseMgrInternal>>);
 impl PaseMgr {
     pub fn new() -> Self {
         Self(Arc::new(Mutex::new(PaseMgrInternal {
-            state: PaseSessionState::Disabled,
+            state: PaseMgrState::Disabled,
         })))
     }
 
@@ -72,13 +72,13 @@ impl PaseMgr {
         let name = format!("{:016X}", name);
         let mdns = Mdns::get()?
             .publish_service(&name, mdns::ServiceMode::Commissionable(discriminator))?;
-        s.state = PaseSessionState::Enabled(PAKE::new(verifier), mdns);
+        s.state = PaseMgrState::Enabled(PAKE::new(verifier), mdns);
         Ok(())
     }
 
     pub fn disable_pase_session(&mut self) {
         let mut s = self.0.lock().unwrap();
-        s.state = PaseSessionState::Disabled;
+        s.state = PaseMgrState::Disabled;
     }
 
     /// If the PASE Session is enabled, execute the closure,
@@ -88,7 +88,7 @@ impl PaseMgr {
         F: FnOnce(&mut PAKE, &mut ProtoCtx) -> Result<(), Error>,
     {
         let mut s = self.0.lock().unwrap();
-        if let PaseSessionState::Enabled(pake, _) = &mut s.state {
+        if let PaseMgrState::Enabled(pake, _) = &mut s.state {
             f(pake, ctx)
         } else {
             error!("PASE Not enabled");
@@ -190,7 +190,7 @@ impl Default for PakeState {
 }
 
 pub struct PAKE {
-    verifier: VerifierData,
+    pub verifier: VerifierData,
     state: PakeState,
 }
 
diff --git a/matter/tests/common/im_engine.rs b/matter/tests/common/im_engine.rs
index ddd8b30..e9bedf0 100644
--- a/matter/tests/common/im_engine.rs
+++ b/matter/tests/common/im_engine.rs
@@ -29,6 +29,7 @@ use matter::{
     error::Error,
     fabric::FabricMgr,
     interaction_model::{core::OpCode, InteractionModel},
+    secure_channel::pake::PaseMgr,
     tlv::{TLVWriter, TagType, ToTLV},
     transport::packet::Packet,
     transport::proto_demux::HandleProto,
@@ -97,12 +98,20 @@ impl ImEngine {
         let dev_att = Box::new(DummyDevAtt {});
         let fabric_mgr = Arc::new(FabricMgr::new().unwrap());
         let acl_mgr = Arc::new(AclMgr::new_with(false).unwrap());
+        let pase_mgr = PaseMgr::new();
         acl_mgr.erase_all();
         let mut default_acl = AclEntry::new(1, Privilege::ADMIN, AuthMode::Case);
         // Only allow the standard peer node id of the IM Engine
         default_acl.add_subject(IM_ENGINE_PEER_ID).unwrap();
         acl_mgr.add(default_acl).unwrap();
-        let dm = DataModel::new(dev_det, dev_att, fabric_mgr.clone(), acl_mgr.clone()).unwrap();
+        let dm = DataModel::new(
+            dev_det,
+            dev_att,
+            fabric_mgr.clone(),
+            acl_mgr.clone(),
+            pase_mgr,
+        )
+        .unwrap();
 
         {
             let mut d = dm.node.write().unwrap();