diff --git a/pgpainless-core/src/main/java/org/pgpainless/key/generation/type/xdh/XDHSpec.java b/pgpainless-core/src/main/java/org/pgpainless/key/generation/type/xdh/XDHSpec.java
deleted file mode 100644
index ccbd2038..00000000
--- a/pgpainless-core/src/main/java/org/pgpainless/key/generation/type/xdh/XDHSpec.java
+++ /dev/null
@@ -1,34 +0,0 @@
-// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
-//
-// SPDX-License-Identifier: Apache-2.0
-
-package org.pgpainless.key.generation.type.xdh;
-
-import javax.annotation.Nonnull;
-
-public enum XDHSpec {
-    _X25519("X25519", "curve25519", 256),
-    ;
-
-    final String name;
-    final String curveName;
-    final int bitStrength;
-
-    XDHSpec(@Nonnull String name, @Nonnull String curveName, int bitStrength) {
-        this.name = name;
-        this.curveName = curveName;
-        this.bitStrength = bitStrength;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public String getCurveName() {
-        return curveName;
-    }
-
-    public int getBitStrength() {
-        return bitStrength;
-    }
-}
diff --git a/pgpainless-core/src/main/kotlin/org/pgpainless/key/generation/type/xdh/XDHSpec.kt b/pgpainless-core/src/main/kotlin/org/pgpainless/key/generation/type/xdh/XDHSpec.kt
new file mode 100644
index 00000000..9486365f
--- /dev/null
+++ b/pgpainless-core/src/main/kotlin/org/pgpainless/key/generation/type/xdh/XDHSpec.kt
@@ -0,0 +1,15 @@
+// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package org.pgpainless.key.generation.type.xdh
+
+enum class XDHSpec(
+        val algorithmName: String,
+        val curveName: String,
+        val bitStrength: Int) {
+    _X25519("X25519", "curve25519", 256),
+    ;
+
+    fun getName() = algorithmName
+}
\ No newline at end of file