Implement listIdentities and trust commands

[signal-cli] / src / main / java / org / asamk / signal / Hex.java

diff --git a/src/main/java/org/asamk/signal/Hex.java b/src/main/java/org/asamk/signal/Hex.java
index 43d77cc5b26c3c0ffcaa5c35cb6d692921e09cf9..696ca62b9aa4407d1266399787f81d80cea5e136 100644 (file)
--- a/src/main/java/org/asamk/signal/Hex.java
+++ b/src/main/java/org/asamk/signal/Hex.java
@@ -19,4 +19,13 @@ public class Hex {
         buf.append(HEX_DIGITS[b & 0xf]);
         buf.append(" ");
     }
+
+    public static byte[] toByteArray(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;
+    }
 }