diff --git a/prov/src/main/java/org/bouncycastle/jcajce/interfaces/MLDSAPublicKey.java b/prov/src/main/java/org/bouncycastle/jcajce/interfaces/MLDSAPublicKey.java
index 877ffbc608..7b6593af15 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/interfaces/MLDSAPublicKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/interfaces/MLDSAPublicKey.java
@@ -5,4 +5,10 @@
 public interface MLDSAPublicKey
     extends PublicKey, MLDSAKey
 {
+    /**
+     * Return the raw encoded data representing the public key: rho || t1.
+     *
+     * @return the concatenation of rho and t1.
+     */
+    byte[] getPublicData();
 }
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/interfaces/MLKEMPublicKey.java b/prov/src/main/java/org/bouncycastle/jcajce/interfaces/MLKEMPublicKey.java
index 832466c025..1554370d2a 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/interfaces/MLKEMPublicKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/interfaces/MLKEMPublicKey.java
@@ -5,4 +5,10 @@
 public interface MLKEMPublicKey
     extends PublicKey, MLKEMKey
 {
+    /**
+     * Return the raw encoded data representing the public key: t || rho.
+     *
+     * @return the concatenation of t and rho.
+     */
+    byte[] getPublicData();
 }
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/interfaces/SLHDSAPublicKey.java b/prov/src/main/java/org/bouncycastle/jcajce/interfaces/SLHDSAPublicKey.java
index 18ffadb9a1..cb31a97339 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/interfaces/SLHDSAPublicKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/interfaces/SLHDSAPublicKey.java
@@ -5,4 +5,10 @@
 public interface SLHDSAPublicKey
     extends PublicKey, SLHDSAKey
 {
+    /**
+     * Return the raw encoded data representing the public key: seed || root.
+     *
+     * @return the concatenation of the seed and root values.
+     */
+    byte[] getPublicData();
 }
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mldsa/BCMLDSAPrivateKey.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mldsa/BCMLDSAPrivateKey.java
index f1dc16f2d9..1b0911f926 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mldsa/BCMLDSAPrivateKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mldsa/BCMLDSAPrivateKey.java
@@ -13,6 +13,9 @@
 import org.bouncycastle.pqc.crypto.util.PrivateKeyFactory;
 import org.bouncycastle.pqc.jcajce.provider.util.KeyUtil;
 import org.bouncycastle.util.Arrays;
+import org.bouncycastle.util.Fingerprint;
+import org.bouncycastle.util.Strings;
+import org.bouncycastle.util.encoders.Hex;
 
 public class BCMLDSAPrivateKey
     implements MLDSAPrivateKey
@@ -28,7 +31,7 @@ public BCMLDSAPrivateKey(
             MLDSAPrivateKeyParameters params)
     {
         this.params = params;
-        algorithm = MLDSAParameterSpec.fromName(params.getParameters().getName()).getName().toUpperCase();
+        this.algorithm = MLDSAParameterSpec.fromName(params.getParameters().getName()).getName().toUpperCase();
     }
 
     public BCMLDSAPrivateKey(PrivateKeyInfo keyInfo)
@@ -79,7 +82,7 @@ public int hashCode()
     }
 
     /**
-     * @return name of the algorithm - "ML-DSA"
+     * @return name of the algorithm
      */
     public final String getAlgorithm()
     {
@@ -111,6 +114,26 @@ public String getFormat()
         return "PKCS#8";
     }
 
+    public String toString()
+    {
+        StringBuilder buf = new StringBuilder();
+        String nl = Strings.lineSeparator();
+        byte[] keyBytes = params.getPublicKey();
+
+        // -DM Hex.toHexString
+        buf.append(getAlgorithm())
+            .append(" ")
+            .append("Private Key").append(" [")
+            .append(new Fingerprint(keyBytes).toString())
+            .append("]")
+            .append(nl)
+            .append("    public data: ")
+            .append(Hex.toHexString(keyBytes))
+            .append(nl);
+
+        return buf.toString();
+    }
+
     MLDSAPrivateKeyParameters getKeyParams()
     {
         return params;
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mldsa/BCMLDSAPublicKey.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mldsa/BCMLDSAPublicKey.java
index a259a32a64..69e2edd393 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mldsa/BCMLDSAPublicKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mldsa/BCMLDSAPublicKey.java
@@ -12,6 +12,9 @@
 import org.bouncycastle.pqc.crypto.util.PublicKeyFactory;
 import org.bouncycastle.pqc.crypto.util.SubjectPublicKeyInfoFactory;
 import org.bouncycastle.util.Arrays;
+import org.bouncycastle.util.Fingerprint;
+import org.bouncycastle.util.Strings;
+import org.bouncycastle.util.encoders.Hex;
 
 public class BCMLDSAPublicKey
     implements MLDSAPublicKey
@@ -74,6 +77,11 @@ public final String getAlgorithm()
         return MLDSAParameterSpec.fromName(params.getParameters().getName()).getName();
     }
 
+    public byte[] getPublicData()
+    {
+        return params.getEncoded();
+    }
+
     public byte[] getEncoded()
     {
         try
@@ -98,6 +106,26 @@ public MLDSAParameterSpec getParameterSpec()
         return MLDSAParameterSpec.fromName(params.getParameters().getName());
     }
 
+    public String toString()
+    {
+        StringBuilder buf = new StringBuilder();
+        String nl = Strings.lineSeparator();
+        byte[] keyBytes = params.getEncoded();
+
+        // -DM Hex.toHexString
+        buf.append(getAlgorithm())
+            .append(" ")
+            .append("Public Key").append(" [")
+            .append(new Fingerprint(keyBytes).toString())
+            .append("]")
+            .append(nl)
+            .append("    public data: ")
+            .append(Hex.toHexString(keyBytes))
+            .append(nl);
+
+        return buf.toString();
+    }
+
     CipherParameters getKeyParams()
     {
         return params;
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mlkem/BCMLKEMPrivateKey.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mlkem/BCMLKEMPrivateKey.java
index 186687f340..687e575b47 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mlkem/BCMLKEMPrivateKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mlkem/BCMLKEMPrivateKey.java
@@ -1,5 +1,9 @@
 package org.bouncycastle.jcajce.provider.asymmetric.mlkem;
 
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+
 import org.bouncycastle.asn1.ASN1Set;
 import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
 import org.bouncycastle.jcajce.interfaces.MLKEMPrivateKey;
@@ -9,10 +13,9 @@
 import org.bouncycastle.pqc.crypto.util.PrivateKeyFactory;
 import org.bouncycastle.pqc.crypto.util.PrivateKeyInfoFactory;
 import org.bouncycastle.util.Arrays;
-
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
+import org.bouncycastle.util.Fingerprint;
+import org.bouncycastle.util.Strings;
+import org.bouncycastle.util.encoders.Hex;
 
 public class BCMLKEMPrivateKey
     implements MLKEMPrivateKey
@@ -41,7 +44,7 @@ private void init(PrivateKeyInfo keyInfo)
     {
         this.attributes = keyInfo.getAttributes();;
         this.params = (MLKEMPrivateKeyParameters)PrivateKeyFactory.createKey(keyInfo);
-        this.algorithm = params.getParameters().getName();
+        this.algorithm = MLKEMParameterSpec.fromName(params.getParameters().getName()).getName().toUpperCase();
     }
 
     /**
@@ -78,11 +81,10 @@ public int hashCode()
     public final String getAlgorithm()
     {
         return algorithm;
-//        return MLKEMParameterSpec.fromName(params.getParameters().getName()).getName().toUpperCase();
     }
+
     public byte[] getEncoded()
     {
-
         try
         {
             PrivateKeyInfo pki = PrivateKeyInfoFactory.createPrivateKeyInfo(params, attributes);
@@ -110,7 +112,27 @@ public String getFormat()
         return "PKCS#8";
     }
 
-    public MLKEMPrivateKeyParameters getKeyParams()
+    public String toString()
+    {
+        StringBuilder buf = new StringBuilder();
+        String nl = Strings.lineSeparator();
+        byte[] keyBytes = params.getPublicKey();
+
+        // -DM Hex.toHexString
+        buf.append(getAlgorithm())
+            .append(" ")
+            .append("Private Key").append(" [")
+            .append(new Fingerprint(keyBytes).toString())
+            .append("]")
+            .append(nl)
+            .append("    public data: ")
+            .append(Hex.toHexString(keyBytes))
+            .append(nl);
+
+        return buf.toString();
+    }
+
+    MLKEMPrivateKeyParameters getKeyParams()
     {
         return params;
     }
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mlkem/BCMLKEMPublicKey.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mlkem/BCMLKEMPublicKey.java
index c8e0b747b5..22de2720bd 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mlkem/BCMLKEMPublicKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/mlkem/BCMLKEMPublicKey.java
@@ -1,5 +1,9 @@
 package org.bouncycastle.jcajce.provider.asymmetric.mlkem;
 
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+
 import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
 import org.bouncycastle.jcajce.interfaces.MLKEMPublicKey;
 import org.bouncycastle.jcajce.spec.MLKEMParameterSpec;
@@ -7,10 +11,9 @@
 import org.bouncycastle.pqc.crypto.util.PublicKeyFactory;
 import org.bouncycastle.pqc.crypto.util.SubjectPublicKeyInfoFactory;
 import org.bouncycastle.util.Arrays;
-
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
+import org.bouncycastle.util.Fingerprint;
+import org.bouncycastle.util.Strings;
+import org.bouncycastle.util.encoders.Hex;
 
 public class BCMLKEMPublicKey
     implements MLKEMPublicKey
@@ -20,7 +23,6 @@ public class BCMLKEMPublicKey
     private transient MLKEMPublicKeyParameters params;
 
     private transient String algorithm;
-    private transient byte[] encoding;
 
     public BCMLKEMPublicKey(
             MLKEMPublicKeyParameters params)
@@ -38,13 +40,13 @@ private void init(SubjectPublicKeyInfo keyInfo)
         throws IOException
     {
         this.params = (MLKEMPublicKeyParameters)PublicKeyFactory.createKey(keyInfo);
-        this.algorithm = params.getParameters().getName();
+        this.algorithm = MLKEMParameterSpec.fromName(params.getParameters().getName()).getName().toUpperCase();
     }
 
     private void init(MLKEMPublicKeyParameters params)
     {
         this.params = params;
-        this.algorithm = params.getParameters().getName();
+        this.algorithm = MLKEMParameterSpec.fromName(params.getParameters().getName()).getName().toUpperCase();
     }
     /**
      * Compare this ML-KEM public key with another object.
@@ -82,6 +84,11 @@ public final String getAlgorithm()
         return algorithm;
     }
 
+    public byte[] getPublicData()
+    {
+        return params.getEncoded();
+    }
+
     public byte[] getEncoded()
     {
         try
@@ -106,7 +113,27 @@ public MLKEMParameterSpec getParameterSpec()
         return MLKEMParameterSpec.fromName(params.getParameters().getName());
     }
 
-    public MLKEMPublicKeyParameters getKeyParams()
+    public String toString()
+    {
+        StringBuilder buf = new StringBuilder();
+        String nl = Strings.lineSeparator();
+        byte[] keyBytes = params.getEncoded();
+
+        // -DM Hex.toHexString
+        buf.append(getAlgorithm())
+            .append(" ")
+            .append("Public Key").append(" [")
+            .append(new Fingerprint(keyBytes).toString())
+            .append("]")
+            .append(nl)
+            .append("    public data: ")
+            .append(Hex.toHexString(keyBytes))
+            .append(nl);
+
+        return buf.toString();
+    }
+
+    MLKEMPublicKeyParameters getKeyParams()
     {
         return params;
     }
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/slhdsa/BCSLHDSAPrivateKey.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/slhdsa/BCSLHDSAPrivateKey.java
index c179d068c3..a0cc8ca28e 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/slhdsa/BCSLHDSAPrivateKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/slhdsa/BCSLHDSAPrivateKey.java
@@ -14,7 +14,9 @@
 import org.bouncycastle.pqc.crypto.util.PrivateKeyFactory;
 import org.bouncycastle.pqc.crypto.util.PrivateKeyInfoFactory;
 import org.bouncycastle.util.Arrays;
+import org.bouncycastle.util.Fingerprint;
 import org.bouncycastle.util.Strings;
+import org.bouncycastle.util.encoders.Hex;
 
 public class BCSLHDSAPrivateKey
     implements SLHDSAPrivateKey
@@ -72,7 +74,7 @@ public int hashCode()
     }
 
     /**
-     * @return name of the algorithm - "SLH-DSA"
+     * @return name of the algorithm - "SLH-DSA..."
      */
     public final String getAlgorithm()
     {
@@ -109,6 +111,26 @@ public String getFormat()
         return "PKCS#8";
     }
 
+    public String toString()
+    {
+        StringBuilder buf = new StringBuilder();
+        String nl = Strings.lineSeparator();
+        byte[] keyBytes = params.getPublicKey();
+
+        // -DM Hex.toHexString
+        buf.append(getAlgorithm())
+            .append(" ")
+            .append("Private Key").append(" [")
+            .append(new Fingerprint(keyBytes).toString())
+            .append("]")
+            .append(nl)
+            .append("    public data: ")
+            .append(Hex.toHexString(keyBytes))
+            .append(nl);
+
+        return buf.toString();
+    }
+
     SLHDSAPrivateKeyParameters getKeyParams()
     {
         return params;
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/slhdsa/BCSLHDSAPublicKey.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/slhdsa/BCSLHDSAPublicKey.java
index f603e33775..4be92e066c 100644
--- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/slhdsa/BCSLHDSAPublicKey.java
+++ b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/slhdsa/BCSLHDSAPublicKey.java
@@ -12,7 +12,9 @@
 import org.bouncycastle.pqc.crypto.util.PublicKeyFactory;
 import org.bouncycastle.pqc.crypto.util.SubjectPublicKeyInfoFactory;
 import org.bouncycastle.util.Arrays;
+import org.bouncycastle.util.Fingerprint;
 import org.bouncycastle.util.Strings;
+import org.bouncycastle.util.encoders.Hex;
 
 public class BCSLHDSAPublicKey
     implements SLHDSAPublicKey
@@ -75,6 +77,11 @@ public final String getAlgorithm()
         return "SLH-DSA" + "-" + Strings.toUpperCase(params.getParameters().getName());
     }
 
+    public byte[] getPublicData()
+    {
+        return params.getEncoded();
+    }
+
     public byte[] getEncoded()
     {
         try
@@ -99,6 +106,26 @@ public SLHDSAParameterSpec getParameterSpec()
         return SLHDSAParameterSpec.fromName(params.getParameters().getName());
     }
 
+    public String toString()
+    {
+        StringBuilder buf = new StringBuilder();
+        String nl = Strings.lineSeparator();
+        byte[] keyBytes = params.getEncoded();
+
+        // -DM Hex.toHexString
+        buf.append(getAlgorithm())
+            .append(" ")
+            .append("Public Key").append(" [")
+            .append(new Fingerprint(keyBytes).toString())
+            .append("]")
+            .append(nl)
+            .append("    public data: ")
+            .append(Hex.toHexString(keyBytes))
+            .append(nl);
+
+        return buf.toString();
+    }
+    
     CipherParameters getKeyParams()
     {
         return params;