Update liboqs library to latest version

core/src/main/java/net/ivpn/core/rest/data/session/SessionNewRequestBody.java

@@ -36,6 +36,9 @@ public class SessionNewRequestBody {
     @SerializedName("kem_public_key1")
     @Expose
     private String kemPublicKey;
+    @SerializedName("kem_library_version")
+    @Expose
+    private String kemLibraryVersion;
     @SerializedName("app_name")
     @Expose
     private String appName;
@@ -56,6 +59,7 @@ public SessionNewRequestBody(String username, String wgPublicKey, String kemPubl
         this.username = username;
         this.wgPublicKey = wgPublicKey;
         this.kemPublicKey = kemPublicKey;
+        this.kemLibraryVersion = "0.10.0";
         this.appName = "IVPN for Android";
         this.force = force;
     }
@@ -64,6 +68,7 @@ public SessionNewRequestBody(String username, String wgPublicKey, String kemPubl
         this.username = username;
         this.wgPublicKey = wgPublicKey;
         this.kemPublicKey = kemPublicKey;
+        this.kemLibraryVersion = "0.10.0";
         this.appName = "IVPN for Android";
         this.force = force;
         this.tfaToken = tfaToken;

core/src/main/java/net/ivpn/core/rest/data/wireguard/AddWireGuardPublicKeyRequestBody.java

@@ -39,18 +39,23 @@ public class AddWireGuardPublicKeyRequestBody {
     @SerializedName("kem_public_key1")
     @Expose
     private String kemPublicKey;
+    @SerializedName("kem_library_version")
+    @Expose
+    private String kemLibraryVersion;
 
     public AddWireGuardPublicKeyRequestBody(String sessionToken, String publicKey, String connectedPublicKey, String kemPublicKey) {
         this.sessionToken = sessionToken;
         this.publicKey = publicKey;
         this.connectedPublicKey = connectedPublicKey;
         this.kemPublicKey = kemPublicKey;
+        this.kemLibraryVersion = "0.10.0";
     }
 
     public AddWireGuardPublicKeyRequestBody(String sessionToken, String publicKey, String kemPublicKey) {
         this.sessionToken = sessionToken;
         this.publicKey = publicKey;
         this.kemPublicKey = kemPublicKey;
+        this.kemLibraryVersion = "0.10.0";
     }
 
     public String getSessionToken() {

liboqs-android/jni/jni/KeyEncapsulation.c

@@ -47,7 +47,6 @@ JNIEXPORT jobject JNICALL Java_net_ivpn_liboqs_KeyEncapsulation_get_1KEM_1detail
 
     // Call back constructor to allocate a new instance, with an int argument
     jobject _nativeKED = (*env)->NewObject(env, cls, constructor_meth_id_, obj);
-    // We need to pass obj (superclass) additionally to run on android: https://stackoverflow.com/questions/25363027/jni-getmethodid-not-working-for-constructor-of-inner-class
 
     OQS_KEM *kem = (OQS_KEM *) getHandle(env, obj, "native_kem_handle_");
 

liboqs-android/jni/jni/Rand.c

@@ -41,24 +41,3 @@ JNIEXPORT jint JNICALL Java_net_ivpn_liboqs_Rand_randombytes_1switch_1algorithm_
     (*env)->ReleaseStringUTFChars(env, jstr, alg_name_native);
     return (rv_ == OQS_SUCCESS) ? 0 : -1;
 }
-
-/*
- * Class:     org_openquantumsafe_Rand
- * Method:    randombytes_nist_kat_init
- * Signature: ([B[BJ)V
- */
-JNIEXPORT void JNICALL Java_net_ivpn_liboqs_Rand_randombytes_1nist_1kat_1init
-  (JNIEnv *env, jclass cls, jbyteArray jentropy_input, jbyteArray jpers_str, jlong pers_str_len)
-{
-    jbyte *entropy_input_native = (*env)->GetByteArrayElements(env, jentropy_input, 0);
-
-    if (pers_str_len == 0) {
-        OQS_randombytes_nist_kat_init_256bit((uint8_t*) entropy_input_native, NULL);
-    } else {
-        jbyte *pers_str_native = (*env)->GetByteArrayElements(env, jpers_str, 0);
-        OQS_randombytes_nist_kat_init_256bit((uint8_t*) entropy_input_native, (uint8_t*) pers_str_native);
-        (*env)->ReleaseByteArrayElements(env, jpers_str, pers_str_native, JNI_ABORT);
-    }
-
-    (*env)->ReleaseByteArrayElements(env, jentropy_input, entropy_input_native, JNI_ABORT);
-}

liboqs-android/src/main/java/net/ivpn/liboqs/Common.java

@@ -1,7 +1,10 @@
 package net.ivpn.liboqs;
 
-import android.os.Build;
-
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.nio.file.Files;
 import java.util.Arrays;
 
 public class Common {
@@ -25,10 +28,33 @@ public static boolean isLinux() {
     }
 
     public static void loadNativeLibrary() {
-        System.err.println("---------------------------");
-        System.err.println("Loading liboqs for: " + Build.CPU_ABI);
-        System.err.println("---------------------------");
-        System.loadLibrary("oqs-jni");
+        // If the library is in the java library path, load it directly. (e.g., -Djava.library.path=src/main/resources)
+        try {
+            System.loadLibrary("oqs-jni");
+        // Otherwise load the library from the liboqs-java.jar
+        } catch (UnsatisfiedLinkError e) {
+            String libName = "llliboqs-jni.so";
+            if (Common.isLinux()) {
+                libName = "liboqs-jni.so";
+            } else if (Common.isMac()) {
+                libName = "liboqs-jni.jnilib";
+            } else if (Common.isWindows()) {
+                libName = "oqs-jni.dll";
+            }
+            URL url = KEMs.class.getResource("/" + libName);
+            File tmpDir;
+            try {
+                tmpDir = Files.createTempDirectory("oqs-native-lib").toFile();
+                tmpDir.deleteOnExit();
+                File nativeLibTmpFile = new File(tmpDir, libName);
+                nativeLibTmpFile.deleteOnExit();
+                InputStream in = url.openStream();
+                Files.copy(in, nativeLibTmpFile.toPath());
+                System.load(nativeLibTmpFile.getAbsolutePath());
+            } catch (IOException ioException) {
+                ioException.printStackTrace();
+            }
+        }
     }
 
     public static <E, T extends Iterable<E>> void print_list(T list) {

liboqs-android/src/main/java/net/ivpn/liboqs/KEMs.java

@@ -15,17 +15,17 @@ public class KEMs {
     /**
      * The single KEMs class instance.
      */
-    private static KEMs single_instance = null;
+    private static KEMs single_instance = null; 
 
     private KEMs() {}
 
     /**
      * \brief Make sure that at most one instance is generated.
      * \return Singleton instance
      */
-    public static synchronized KEMs get_instance() {
+    public static synchronized KEMs get_instance() { 
         if (single_instance == null) {
-            single_instance = new KEMs();
+            single_instance = new KEMs(); 
         }
         return single_instance; 
     }

liboqs-android/src/main/java/net/ivpn/liboqs/Rand.java

@@ -36,39 +36,4 @@ public static void randombytes_switch_algorithm(String alg_name)
             throw new RuntimeException("Cannot switch rand algorithm");
         }
     }
-
-    /**
-    * \brief Wrapper for OQS_API void OQS_randombytes_nist_kat_init(
-    *                                   const uint8_t *entropy_input,
-    *                                   const uint8_t *personalization_string,
-    *                                   int security_strength);
-    *
-    * \param Entropy input seed, must be exactly 48 bytes long
-    * \param Entropy seed length
-    * \param Optional personalization string, which, if non-empty, must be at
-    * least 48 byte[] long
-    * \param personalization string length
-    */
-    private static native void randombytes_nist_kat_init(byte[] entropy_input,
-                                            byte[] personalization_string,
-                                            long personalization_string_len);
-
-    public static void randombytes_nist_kat_init(byte[] entropy_input) {
-        randombytes_nist_kat_init(entropy_input, null);
-    }
-
-    public static void randombytes_nist_kat_init(byte[] entropy_input,
-                                            byte[] personalization_string) {
-        if (entropy_input.length != 48) {
-            throw new RuntimeException("The entropy source must be exactly 48 byte[] long");
-        }
-        if (personalization_string == null) {
-            randombytes_nist_kat_init(entropy_input, null, 0);
-            return;
-        }
-        if (personalization_string.length < 48) {
-            throw new RuntimeException("The personalization string must be either empty or at least 48 byte[] long");
-        }
-        randombytes_nist_kat_init(entropy_input, personalization_string, personalization_string.length);
-    }
 }

liboqs-android/src/main/java/net/ivpn/liboqs/Sigs.java

@@ -15,17 +15,17 @@ public class Sigs {
     /**
      * The single Sigs class instance.
      */
-    private static Sigs single_instance = null;
+    private static Sigs single_instance = null; 
 
     private Sigs() {}
 
     /**
      * \brief Make sure that at most one instance is generated.
      * \return Singleton instance
      */
-    public static synchronized Sigs get_instance() {
+    public static synchronized Sigs get_instance() { 
         if (single_instance == null) {
-            single_instance = new Sigs();
+            single_instance = new Sigs(); 
         }
         return single_instance; 
     }