KEM class modifiers

Author: peterdettman

prov/src/main/jdk17/org/bouncycastle/jcajce/provider/asymmetric/mlkem/MLKEMSpi.java

@@ -13,7 +13,7 @@
 import org.bouncycastle.pqc.crypto.mlkem.MLKEMKeyParameters;
 import org.bouncycastle.pqc.crypto.mlkem.MLKEMParameters;
 
-public class MLKEMSpi
+public abstract class MLKEMSpi
     implements KEMSpi
 {
     private final MLKEMParameters mlkemParameters;

prov/src/main/jdk17/org/bouncycastle/pqc/jcajce/provider/hqc/HQCDecapsulatorSpi.java

@@ -17,7 +17,7 @@
  *  invoke multiple encapsulate and decapsulate methods on the same Encapsulator or Decapsulator object at the same
  *  time. Each invocation of encapsulate will generate a new shared secret and key encapsulation message."
  */
-public class HQCDecapsulatorSpi
+class HQCDecapsulatorSpi
     implements KEMSpi.DecapsulatorSpi
 {
 //    private final BCHQCPrivateKey privateKey;

prov/src/main/jdk17/org/bouncycastle/pqc/jcajce/provider/hqc/HQCEncapsulatorSpi.java

@@ -19,7 +19,7 @@
  *  invoke multiple encapsulate and decapsulate methods on the same Encapsulator or Decapsulator object at the same
  *  time. Each invocation of encapsulate will generate a new shared secret and key encapsulation message."
  */
-public class HQCEncapsulatorSpi
+class HQCEncapsulatorSpi
     implements KEMSpi.EncapsulatorSpi
 {
     private final BCHQCPublicKey publicKey;

prov/src/main/jdk17/org/bouncycastle/pqc/jcajce/provider/hqc/HQCKEMSpi.java

@@ -13,7 +13,7 @@
 import org.bouncycastle.pqc.crypto.hqc.HQCKeyParameters;
 import org.bouncycastle.pqc.crypto.hqc.HQCParameters;
 
-public class HQCKEMSpi
+public abstract class HQCKEMSpi
     implements KEMSpi
 {
     private final HQCParameters hqcParameters;

prov/src/main/jdk17/org/bouncycastle/pqc/jcajce/provider/ntru/NTRUDecapsulatorSpi.java

@@ -17,7 +17,7 @@
  *  invoke multiple encapsulate and decapsulate methods on the same Encapsulator or Decapsulator object at the same
  *  time. Each invocation of encapsulate will generate a new shared secret and key encapsulation message."
  */
-public class NTRUDecapsulatorSpi
+class NTRUDecapsulatorSpi
     implements KEMSpi.DecapsulatorSpi
 {
 //    private final BCNTRUPrivateKey privateKey;

prov/src/main/jdk17/org/bouncycastle/pqc/jcajce/provider/ntru/NTRUEncapsulatorSpi.java

@@ -19,7 +19,7 @@
  *  invoke multiple encapsulate and decapsulate methods on the same Encapsulator or Decapsulator object at the same
  *  time. Each invocation of encapsulate will generate a new shared secret and key encapsulation message."
  */
-public class NTRUEncapsulatorSpi
+class NTRUEncapsulatorSpi
     implements KEMSpi.EncapsulatorSpi
 {
     private final BCNTRUPublicKey publicKey;

prov/src/main/jdk17/org/bouncycastle/pqc/jcajce/provider/ntru/NTRUKEMSpi.java

@@ -13,7 +13,7 @@
 import org.bouncycastle.pqc.crypto.ntru.NTRUKeyParameters;
 import org.bouncycastle.pqc.crypto.ntru.NTRUParameters;
 
-public class NTRUKEMSpi
+public abstract class NTRUKEMSpi
     implements KEMSpi
 {
     private final NTRUParameters ntruParameters;