Merge pull request #62 from functionland/updated_wnfs_1.7.2

Updated wnfs 1.7.2

Author: ehsan6sha

android/build.gradle

@@ -63,7 +63,7 @@ dependencies {
     //noinspection GradleDynamicVersion
     implementation "com.facebook.react:react-native:+"  // From node_modules
     implementation 'com.github.functionland:fula-build-aar:1.13.0' // From jitpack.io
-    implementation 'com.github.functionland:wnfs-build-aar:v1.4.1' // From jitpack.io
+    implementation 'com.github.functionland:wnfs-android:v1.7.3' // From jitpack.io
     implementation 'commons-io:commons-io:20030203.000550'
     implementation 'commons-codec:commons-codec:1.15'
     // implementation files('mobile.aar')

android/src/main/java/land/fx/fula/Cryptography.java

@@ -23,11 +23,13 @@
 import javax.crypto.spec.GCMParameterSpec;
 
 public class Cryptography {
-  public static String encryptMsg(String message, SecretKey secret)
+  public static String encryptMsg(String message, SecretKey secret, byte[] iv)
     throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException {
     Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
-    byte[] iv = new byte[12]; // Ensure this is randomly generated for each encryption.
-    new SecureRandom().nextBytes(iv);
+    if (iv == null || iv.length == 0) {
+      iv = new byte[12]; // Ensure this is randomly generated for each encryption.
+      new SecureRandom().nextBytes(iv);
+    }
     GCMParameterSpec spec = new GCMParameterSpec(128, iv);
     cipher.init(Cipher.ENCRYPT_MODE, secret, spec);
     byte[] cipherText = cipher.doFinal(message.getBytes(StandardCharsets.UTF_8));