Make curve names case-inspecific

Author: str4d

src/net/i2p/crypto/eddsa/spec/EdDSANamedCurveTable.java

@@ -12,6 +12,7 @@
 package net.i2p.crypto.eddsa.spec;
 
 import java.util.Hashtable;
+import java.util.Locale;
 
 import net.i2p.crypto.eddsa.Utils;
 import net.i2p.crypto.eddsa.math.Curve;
@@ -48,15 +49,15 @@ public class EdDSANamedCurveTable {
     private static final Hashtable<String, EdDSANamedCurveSpec> curves = new Hashtable<String, EdDSANamedCurveSpec>();
 
     public static void defineCurve(String name, EdDSANamedCurveSpec curve) {
-        curves.put(name, curve);
+        curves.put(name.toLowerCase(Locale.ENGLISH), curve);
     }
 
     static void defineCurveAlias(String name, String alias) {
-        EdDSANamedCurveSpec curve = curves.get(name);
+        EdDSANamedCurveSpec curve = curves.get(name.toLowerCase(Locale.ENGLISH));
         if (curve == null) {
             throw new IllegalStateException();
         }
-        curves.put(alias, curve);
+        curves.put(alias.toLowerCase(Locale.ENGLISH), curve);
     }
 
     static {
@@ -67,6 +68,6 @@ static void defineCurveAlias(String name, String alias) {
     }
 
     public static EdDSANamedCurveSpec getByName(String name) {
-        return curves.get(name);
+        return curves.get(name.toLowerCase(Locale.ENGLISH));
     }
 }

test/net/i2p/crypto/eddsa/spec/EdDSANamedCurveTableTest.java

@@ -0,0 +1,36 @@
+/**
+ * EdDSA-Java by str4d
+ *
+ * To the extent possible under law, the person who associated CC0 with
+ * EdDSA-Java has waived all copyright and related or neighboring rights
+ * to EdDSA-Java.
+ *
+ * You should have received a copy of the CC0 legalcode along with this
+ * work. If not, see <https://creativecommons.org/publicdomain/zero/1.0/>.
+ *
+ */
+package net.i2p.crypto.eddsa.spec;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+/**
+ * @author str4d
+ *
+ */
+public class EdDSANamedCurveTableTest {
+    /**
+     * Ensure curve names are case-inspecific
+     */
+    @Test
+    public void curveNamesAreCaseInspecific() {
+        EdDSANamedCurveSpec mixed = EdDSANamedCurveTable.getByName("Ed25519");
+        EdDSANamedCurveSpec lower = EdDSANamedCurveTable.getByName("ed25519");
+        EdDSANamedCurveSpec upper = EdDSANamedCurveTable.getByName("ED25519");
+
+        assertThat(lower, is(equalTo(mixed)));
+        assertThat(upper, is(equalTo(mixed)));
+    }
+}