Added numeric validation for arguments in Binary and Hex operattions. Fixes #1178

src/core/lib/Hex.mjs

@@ -7,6 +7,7 @@
  */
 
 import Utils from "../Utils.mjs";
+import OperationError from "../errors/OperationError.mjs";
 
 
 /**
@@ -100,6 +101,9 @@ export function toHexFast(data) {
  * fromHex("0a:14:1e", "Colon");
  */
 export function fromHex(data, delim="Auto", byteLen=2) {
+    if (byteLen < 1 || Math.round(byteLen) !== byteLen)
+        throw new OperationError("Byte length must be a positive integer");
+
     if (delim !== "None") {
         const delimRegex = delim === "Auto" ? /[^a-f\d]|(0x)/gi : Utils.regexRep(delim);
         data = data.replace(delimRegex, "");