EdDSA: Reduce diff between vendored code and upstream

Includes missing license information.

core/java/test/junit/net/i2p/crypto/eddsa/Ed25519TestVectors.java

@@ -1,3 +1,14 @@
+/**
+ * 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;
 
 import java.io.BufferedReader;

core/java/test/junit/net/i2p/crypto/eddsa/EdDSAEngineTest.java

@@ -1,3 +1,14 @@
+/**
+ * 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;
 
 import static org.hamcrest.Matchers.equalTo;

core/java/test/junit/net/i2p/crypto/eddsa/UtilsTest.java

@@ -1,3 +1,14 @@
+/**
+ * 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;
 
 import org.hamcrest.core.IsEqual;
@@ -105,6 +116,11 @@ public class UtilsTest {
         assertThat(Utils.bit(new byte[] {1, 2, 3}, 16), is(1));
     }
 
+    @Test(expected = IllegalArgumentException.class)
+    public void hexToBytesThrowsOnInvalidLengthHexString() {
+        Utils.hexToBytes("bad");
+    }
+
     @Test
     public void hexToBytesReturnsCorrectByteArray() {
         Assert.assertThat(Utils.hexToBytes(hex1), IsEqual.equalTo(bytes1));

core/java/test/junit/net/i2p/crypto/eddsa/math/AbstractFieldElementTest.java

@@ -1,6 +1,16 @@
+/**
+ * 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.math;
 
-import net.i2p.crypto.eddsa.math.*;
 import org.hamcrest.core.*;
 import org.junit.*;
 

core/java/test/junit/net/i2p/crypto/eddsa/math/ConstantsTest.java

@@ -1,3 +1,14 @@
+/**
+ * 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.math;
 
 import static org.hamcrest.Matchers.equalTo;

core/java/test/junit/net/i2p/crypto/eddsa/math/GroupElementTest.java

@@ -1,3 +1,14 @@
+/**
+ * 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.math;
 
 import net.i2p.crypto.eddsa.*;

core/java/test/junit/net/i2p/crypto/eddsa/math/MathUtils.java

@@ -1,3 +1,14 @@
+/**
+ * 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.math;
 
 import net.i2p.crypto.eddsa.Utils;

core/java/test/junit/net/i2p/crypto/eddsa/math/PrecomputationTestVectors.java

@@ -1,3 +1,14 @@
+/**
+ * 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.math;
 
 import java.io.BufferedReader;

core/java/test/junit/net/i2p/crypto/eddsa/math/bigint/BigIntegerFieldElementTest.java

@@ -1,3 +1,14 @@
+/**
+ * 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.math.bigint;
 
 import static org.hamcrest.Matchers.*;

core/java/test/junit/net/i2p/crypto/eddsa/math/bigint/BigIntegerScalarOpsTest.java

@@ -1,5 +1,13 @@
 /**
- * 
+ * 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.math.bigint;
 

core/java/test/junit/net/i2p/crypto/eddsa/math/ed25519/Ed25519FieldElementTest.java

@@ -1,3 +1,14 @@
+/**
+ * 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.math.ed25519;
 
 import net.i2p.crypto.eddsa.math.*;

core/java/test/junit/net/i2p/crypto/eddsa/math/ed25519/Ed25519LittleEndianEncodingTest.java

@@ -1,3 +1,14 @@
+/**
+ * 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.math.ed25519;
 
 import net.i2p.crypto.eddsa.math.*;

core/java/test/junit/net/i2p/crypto/eddsa/math/ed25519/Ed25519ScalarOpsTest.java

@@ -1,5 +1,13 @@
 /**
- * 
+ * 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.math.ed25519;
 

core/java/test/junit/net/i2p/crypto/eddsa/spec/EdDSAPrivateKeySpecTest.java

@@ -1,3 +1,14 @@
+/**
+ * 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.*;
@@ -38,7 +49,7 @@ public class EdDSAPrivateKeySpecTest {
     public void incorrectSeedLengthThrows() {
         exception.expect(IllegalArgumentException.class);
         exception.expectMessage("seed length is wrong");
-        EdDSAPrivateKeySpec key = new EdDSAPrivateKeySpec(new byte[2], ed25519);
+        new EdDSAPrivateKeySpec(new byte[2], ed25519);
     }
 
     /**
@@ -56,6 +67,6 @@ public class EdDSAPrivateKeySpecTest {
     public void incorrectHashLengthThrows() {
         exception.expect(IllegalArgumentException.class);
         exception.expectMessage("hash length is wrong");
-        EdDSAPrivateKeySpec key = new EdDSAPrivateKeySpec(ed25519, new byte[2]);
+        new EdDSAPrivateKeySpec(ed25519, new byte[2]);
     }
 }