diff --git a/examples/onoff_light/src/main.rs b/examples/onoff_light/src/main.rs
index aadf5f7..50ae775 100644
--- a/examples/onoff_light/src/main.rs
+++ b/examples/onoff_light/src/main.rs
@@ -39,7 +39,7 @@ fn main() {
     };
     let dev_att = Box::new(dev_att::HardCodedDevAtt::new());
 
-    let mut matter = core::Matter::new(&dev_info, dev_att, &comm_data).unwrap();
+    let mut matter = core::Matter::new(&dev_info, dev_att, comm_data).unwrap();
     let dm = matter.get_data_model();
     {
         let mut node = dm.node.write().unwrap();
diff --git a/matter/src/core.rs b/matter/src/core.rs
index 35b8648..41cf08c 100644
--- a/matter/src/core.rs
+++ b/matter/src/core.rs
@@ -26,7 +26,7 @@ use crate::{
     interaction_model::InteractionModel,
     mdns::Mdns,
     pairing::print_pairing_code_and_qr,
-    secure_channel::core::SecureChannel,
+    secure_channel::{core::SecureChannel, pake::PaseMgr, spake2p::VerifierData},
     transport,
 };
 use std::sync::Arc;
@@ -56,17 +56,12 @@ impl Matter {
     pub fn new(
         dev_det: &BasicInfoConfig,
         dev_att: Box<dyn DevAttDataFetcher>,
-        dev_comm: &CommissioningData,
+        dev_comm: CommissioningData,
     ) -> Result<Box<Matter>, Error> {
         let mdns = Mdns::get()?;
-        mdns.set_values(
-            dev_det.vid,
-            dev_det.pid,
-            dev_comm.discriminator,
-            &dev_det.device_name,
-        );
+        mdns.set_values(dev_det.vid, dev_det.pid, &dev_det.device_name);
 
-        print_pairing_code_and_qr(dev_det, dev_comm);
+        print_pairing_code_and_qr(dev_det, &dev_comm);
 
         let fabric_mgr = Arc::new(FabricMgr::new()?);
         let acl_mgr = Arc::new(AclMgr::new()?);
diff --git a/matter/src/fabric.rs b/matter/src/fabric.rs
index 1e91617..bb729ae 100644
--- a/matter/src/fabric.rs
+++ b/matter/src/fabric.rs
@@ -381,7 +381,7 @@ impl FabricMgr {
     pub fn set_label(&self, index: u8, label: String) -> Result<(), Error> {
         let index = index as usize;
         let mut mgr = self.inner.write()?;
-        if label != "" {
+        if !label.is_empty() {
             for i in 1..MAX_SUPPORTED_FABRICS {
                 if let Some(fabric) = &mgr.fabrics[i] {
                     if fabric.label == label {
diff --git a/matter/src/mdns.rs b/matter/src/mdns.rs
index 6f66db5..53d7a35 100644
--- a/matter/src/mdns.rs
+++ b/matter/src/mdns.rs
@@ -30,8 +30,6 @@ pub struct MdnsInner {
     vid: u16,
     /// Product ID
     pid: u16,
-    /// Discriminator
-    discriminator: u16,
     /// Device name
     device_name: String,
 }
@@ -75,11 +73,10 @@ impl Mdns {
     /// Set mDNS service specific values
     /// Values like vid, pid, discriminator etc
     // TODO: More things like device-type etc can be added here
-    pub fn set_values(&self, vid: u16, pid: u16, discriminator: u16, device_name: &str) {
+    pub fn set_values(&self, vid: u16, pid: u16, device_name: &str) {
         let mut inner = self.inner.lock().unwrap();
         inner.vid = vid;
         inner.pid = pid;
-        inner.discriminator = discriminator;
         inner.device_name = device_name.chars().take(32).collect();
     }
 
@@ -92,12 +89,12 @@ impl Mdns {
             ServiceMode::Commissioned => {
                 sys_publish_service(name, "_matter._tcp", MATTER_PORT, &[])
             }
-            ServiceMode::Commissionable => {
+            ServiceMode::Commissionable(discriminator) => {
                 let inner = self.inner.lock().unwrap();
-                let short = compute_short_discriminator(inner.discriminator);
-                let serv_type = format!("_matterc._udp,_S{},_L{}", short, inner.discriminator);
+                let short = compute_short_discriminator(discriminator);
+                let serv_type = format!("_matterc._udp,_S{},_L{}", short, discriminator);
 
-                let str_discriminator = format!("{}", inner.discriminator);
+                let str_discriminator = format!("{}", discriminator);
                 let txt_kvs = [
                     ["D", &str_discriminator],
                     ["CM", "1"],
diff --git a/matter/src/pairing.rs b/matter/src/pairing.rs
index 070fb0e..a5e8487 100644
--- a/matter/src/pairing.rs
+++ b/matter/src/pairing.rs
@@ -23,7 +23,7 @@ use verhoeff::Verhoeff;
 
 use crate::{
     codec::base38, data_model::cluster_basic_information::BasicInfoConfig, error::Error,
-    CommissioningData,
+    secure_channel::spake2p::VerifierOption, CommissioningData,
 };
 
 const LONG_BITS: usize = 12;
@@ -130,10 +130,15 @@ fn compute_pairing_code(comm_data: &CommissioningData) -> String {
 
     let CommissioningData {
         discriminator,
-        passwd,
+        verifier,
         ..
     } = comm_data;
 
+    let passwd = match verifier.data {
+        VerifierOption::Password(pwd) => pwd,
+        VerifierOption::Verifier(_) => todo!(),
+    };
+
     let mut digits = String::new();
     digits.push_str(&((VID_PID_PRESENT << 2) | (discriminator >> 10) as u8).to_string());
     digits.push_str(&format!(
@@ -233,6 +238,11 @@ fn generate_bit_set(
         return Err(Error::BufferTooSmall);
     };
 
+    let passwd = match payload.comm_data.verifier.data {
+        VerifierOption::Password(pwd) => pwd,
+        VerifierOption::Verifier(_) => todo!(),
+    };
+
     const VERSION: u64 = 0;
     populate_bits(
         bits,
@@ -285,7 +295,7 @@ fn generate_bit_set(
     populate_bits(
         bits,
         &mut offset,
-        payload.comm_data.passwd as u64,
+        passwd as u64,
         SETUP_PINCODE_FIELD_LENGTH_IN_BITS,
         total_payload_size_in_bits,
     )?;
@@ -306,22 +316,22 @@ fn generate_bit_set(
 
 #[cfg(test)]
 mod tests {
+    use crate::secure_channel::spake2p::VerifierData;
+
     use super::*;
 
     #[test]
     fn can_compute_pairing_code() {
         let comm_data = CommissioningData {
-            passwd: 123456,
+            verifier: VerifierData::new_with_pw(123456),
             discriminator: 250,
-            ..Default::default()
         };
         let pairing_code = compute_pairing_code(&comm_data);
         assert_eq!(pairing_code, "00876800071");
 
         let comm_data = CommissioningData {
-            passwd: 34567890,
+            verifier: VerifierData::new_with_pw(34567890),
             discriminator: 2976,
-            ..Default::default()
         };
         let pairing_code = compute_pairing_code(&comm_data);
         assert_eq!(pairing_code, "26318621095");
@@ -332,9 +342,8 @@ mod tests {
         const QR_CODE: &str = "MT:YNJV7VSC00CMVH7SR00";
 
         let comm_data = CommissioningData {
-            passwd: 34567890,
+            verifier: VerifierData::new_with_pw(34567890),
             discriminator: 2976,
-            ..Default::default()
         };
         let dev_det = BasicInfoConfig {
             vid: 9050,
diff --git a/matter/src/secure_channel/crypto_mbedtls.rs b/matter/src/secure_channel/crypto_mbedtls.rs
index 7231f63..7ac4c5a 100644
--- a/matter/src/secure_channel/crypto_mbedtls.rs
+++ b/matter/src/secure_channel/crypto_mbedtls.rs
@@ -115,7 +115,7 @@ impl CryptoSpake2 for CryptoMbedTLS {
     }
 
     fn set_L(&mut self, l: &[u8]) -> Result<(), Error> {
-        self.L = EcPoint::from_binary(&mut self.group, l)?;
+        self.L = EcPoint::from_binary(&self.group, l)?;
         Ok(())
     }
 
diff --git a/matter/tests/common/im_engine.rs b/matter/tests/common/im_engine.rs
index 923d499..b1a69de 100644
--- a/matter/tests/common/im_engine.rs
+++ b/matter/tests/common/im_engine.rs
@@ -106,14 +106,7 @@ impl ImEngine {
         // 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(),
-            pase_mgr,
-        )
-        .unwrap();
+        let dm = DataModel::new(&dev_det, dev_att, fabric_mgr, acl_mgr.clone(), pase_mgr).unwrap();
 
         {
             let mut d = dm.node.write().unwrap();