1 files changed, 30 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/crypto/params/DHKeyGenerationParameters.java b/core/src/main/java/org/bouncycastle/crypto/params/DHKeyGenerationParameters.java
new file mode 100644
index 00000000..34c730eb
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/crypto/params/DHKeyGenerationParameters.java
@@ -0,0 +1,30 @@
+package org.bouncycastle.crypto.params;
+
+import java.security.SecureRandom;
+
+import org.bouncycastle.crypto.KeyGenerationParameters;
+
+public class DHKeyGenerationParameters
+    extends KeyGenerationParameters
+{
+    private DHParameters    params;
+
+    public DHKeyGenerationParameters(
+        SecureRandom    random,
+        DHParameters    params)
+    {
+        super(random, getStrength(params));
+
+        this.params = params;
+    }
+
+    public DHParameters getParameters()
+    {
+        return params;
+    }
+
+    static int getStrength(DHParameters params)
+    {
+        return params.getL() != 0 ? params.getL() : params.getP().bitLength();
+    }
+}