Update README for PBKDF2

Author: cjthompson

README.md

@@ -182,7 +182,21 @@ const salt = RNSimpleCrypto.utils.randomBytes(8);
 const iterations = 4096;
 const keyInBytes = 32;
 const hash = "SHA1";
-const passwordKey = await Pbkdf2.hash(
+const passwordKey = await RNSimpleCrypto.PBKDF2.hash(
+  password,
+  salt,
+  iterations,
+  keyInBytes,
+  hash
+);
+console.log("PBKDF2 passwordKey", passwordKey);
+
+const password = messageArrayBuffer;
+const salt = RNSimpleCrypto.utils.randomBytes(8);
+const iterations = 10000;
+const keyInBytes = 32;
+const hash = "SHA256";
+const passwordKey = await RNSimpleCrypto.PBKDF2.hash(
   password,
   salt,
   iterations,

index.js

@@ -123,15 +123,15 @@ const PBKDF2 = {
       saltToHash = convertUtf8ToArrayBuffer(salt);
     }
 
-    const hashHex = await NativeModules.Pbkdf2.hash(
+    const digest = await NativeModules.Pbkdf2.hash(
       convertArrayBufferToBase64(passwordToHash),
       convertArrayBufferToBase64(saltToHash),
       iterations,
       keyLength,
       algorithm
     );
 
-    return convertBase64ToArrayBuffer(hashHex);
+    return convertBase64ToArrayBuffer(digest);
   }
 };