Crypto: Adding tests for reuse nonce query for JAVA/JCA.

java/ql/test/experimental/query-tests/quantum/NonceReuse/NonceReuse.expected

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+| Test.java:48:47:48:52 | Nonce | Reuse with nonce $@ | Test.java:57:47:57:52 | Nonce | Nonce |
+| Test.java:57:47:57:52 | Nonce | Reuse with nonce $@ | Test.java:48:47:48:52 | Nonce | Nonce |
+| Test.java:85:48:85:54 | Nonce | Reuse with nonce $@ | Test.java:91:49:91:55 | Nonce | Nonce |
+| Test.java:91:49:91:55 | Nonce | Reuse with nonce $@ | Test.java:85:48:85:54 | Nonce | Nonce |

java/ql/test/experimental/query-tests/quantum/NonceReuse/NonceReuse.qlref

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+experimental/quantum/Analysis/ReusedNonce.ql

java/ql/test/experimental/query-tests/quantum/NonceReuse/Test.java

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+package com.example.crypto.artifacts;
+import javax.crypto.Cipher;
+import javax.crypto.KeyGenerator;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.GCMParameterSpec;
+import java.security.*;
+import java.util.Base64;
+import java.util.random.*;
+import java.util.Properties;
+import java.util.Random;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.Arrays;
+
+public class Test {
+
+    public static SecretKey generateAESKey()throws Exception  {
+        KeyGenerator keyGen = KeyGenerator.getInstance("AES");
+        keyGen.init(256);
+        return keyGen.generateKey();
+    }
+
+   
+    private static byte[] getRandomWrapper1()throws Exception  {
+        byte[] val = new byte[16];
+        new SecureRandom().nextBytes(val);
+        return val;
+    }
+
+    private static byte[] getRandomWrapper2A()throws Exception  {
+        byte[] val;
+        val =  getRandomWrapper1();
+        funcA1(val);
+        return val;
+    }
+
+    private static byte[] getRandomWrapper2b()throws Exception  {
+        byte[] val;
+        val =  getRandomWrapper1();
+        return val;
+    }
+
+    private static void funcA1(byte[] iv)throws Exception {
+        IvParameterSpec ivSpec = new IvParameterSpec(iv);
+        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+        SecretKey key = generateAESKey();
+        cipher.init(Cipher.ENCRYPT_MODE, key, ivSpec); // BAD: Reuse of `iv` in funcB1
+        byte[] ciphertext = cipher.doFinal("Simple Test Data".getBytes());
+    }
+
+    private static void funcB1()throws Exception {
+        byte[] iv = getRandomWrapper2A();
+        IvParameterSpec ivSpec = new IvParameterSpec(iv);
+        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+        SecretKey key = generateAESKey();
+        cipher.init(Cipher.ENCRYPT_MODE, key, ivSpec); // BAD: Reuse of `iv` in funcA1
+        byte[] ciphertext = cipher.doFinal("Simple Test Data".getBytes());
+    }
+
+    private static void funcA2()throws Exception {
+        byte[] iv = getRandomWrapper2b();
+        IvParameterSpec ivSpec = new IvParameterSpec(iv);
+        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+        SecretKey key = generateAESKey();
+        cipher.init(Cipher.ENCRYPT_MODE, key, ivSpec); // GOOD
+        byte[] ciphertext = cipher.doFinal("Simple Test Data".getBytes());
+    }
+
+    private static void funcB2()throws Exception {
+        byte[] iv = getRandomWrapper2b();
+        IvParameterSpec ivSpec = new IvParameterSpec(iv);
+        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+        SecretKey key = generateAESKey();
+        cipher.init(Cipher.ENCRYPT_MODE, key, ivSpec); // GOOD
+        byte[] ciphertext = cipher.doFinal("Simple Test Data".getBytes());
+    }
+
+
+    private static void funcA3() throws Exception {
+        byte[] iv = getRandomWrapper2b();
+        IvParameterSpec ivSpec1 = new IvParameterSpec(iv);
+        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+        SecretKey key1 = generateAESKey();
+        cipher.init(Cipher.ENCRYPT_MODE, key1, ivSpec1); // BAD: reuse of `iv` below
+        byte[] ciphertext = cipher.doFinal("Simple Test Data".getBytes());
+
+        IvParameterSpec ivSpec2 = new IvParameterSpec(iv);
+        Cipher cipher2 = Cipher.getInstance("AES/CBC/PKCS5Padding");
+        SecretKey key2 = generateAESKey();
+        cipher2.init(Cipher.ENCRYPT_MODE, key2, ivSpec2); // BAD: Reuse of `iv` above
+        byte[] ciphertext2 = cipher2.doFinal("Simple Test Data".getBytes());
+    }
+
+
+
+
+    public static void main(String[] args) {
+        try{
+            funcA2();
+            funcB1();
+            funcB2();
+        }
+        catch(Exception e) {
+            e.printStackTrace();
+        }
+    }
+}