v0.2.0

1 files changed, 83 insertions, 0 deletions

diff --git a/src/cz/crcs/ectester/common/ec/EC_Key.java b/src/cz/crcs/ectester/common/ec/EC_Key.java
new file mode 100644
index 0000000..a34b0e7
--- /dev/null
+++ b/src/cz/crcs/ectester/common/ec/EC_Key.java
@@ -0,0 +1,83 @@
+package cz.crcs.ectester.common.ec;
+
+import cz.crcs.ectester.applet.EC_Consts;
+
+/**
+ * An abstract-like EC key. Concrete implementations create a public and private keys.
+ *
+ * @author Jan Jancar johny@neuromancer.sk
+ */
+public class EC_Key extends EC_Params {
+
+    private String curve;
+    private String desc;
+
+    private EC_Key(short mask, String curve) {
+        super(mask);
+        this.curve = curve;
+    }
+
+    private EC_Key(short mask, String curve, String desc) {
+        this(mask, curve);
+        this.desc = desc;
+    }
+
+    private EC_Key(String id, short mask, String curve, String desc) {
+        this(mask, curve, desc);
+        this.id = id;
+    }
+
+    public String getCurve() {
+        return curve;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    /**
+     * An EC public key, contains the W parameter.
+     */
+    public static class Public extends EC_Key {
+
+        public Public(String curve) {
+            super(EC_Consts.PARAMETER_W, curve);
+        }
+
+        public Public(String curve, String desc) {
+            super(EC_Consts.PARAMETER_W, curve, desc);
+        }
+
+        public Public(String id, String curve, String desc) {
+            super(id, EC_Consts.PARAMETER_W, curve, desc);
+        }
+
+        @Override
+        public String toString() {
+            return "<" + getId() + "> EC Public key, over " + getCurve() + (getDesc() == null ? "" : ": " + getDesc());
+        }
+    }
+
+    /**
+     * An EC private key, contains the S parameter.
+     */
+    public static class Private extends EC_Key {
+
+        public Private(String curve) {
+            super(EC_Consts.PARAMETER_S, curve);
+        }
+
+        public Private(String curve, String desc) {
+            super(EC_Consts.PARAMETER_S, curve, desc);
+        }
+
+        public Private(String id, String curve, String desc) {
+            super(id, EC_Consts.PARAMETER_S, curve, desc);
+        }
+
+        @Override
+        public String toString() {
+            return "<" + getId() + "> EC Private key, over " + getCurve() + (getDesc() == null ? "" : ": " + getDesc());
+        }
+    }
+}