Fixed bug when converting hex to bytes

2020-10-29 16:43:06 +01:00 · 2020-10-29 16:43:06 +01:00 · 2b0002d7cf
commit 2b0002d7cf
parent 3bc287848e
1 changed files with 8 additions and 2 deletions
--- a/src/main/java/Main/Utils.java
+++ b/src/main/java/Main/Utils.java
@ -15,7 +15,13 @@ public class Utils {
        return hexString.toString();
    }

-    static byte[] stringToBytes(String hexString) {
-        return new BigInteger(hexString, 16).toByteArray();
+    static byte[] stringToBytes(String s) {
+        int len = s.length();
+        byte[] data = new byte[len / 2];
+        for (int i = 0; i < len; i += 2) {
+            data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+                    + Character.digit(s.charAt(i+1), 16));
+        }
+        return data;
    }
 }