refactor signatures (iCalender/LCA)

Author: BJNFNE

db/Binary/bin.LCA.1.sg

@@ -1,13 +1,17 @@
 // Detect It Easy: detection rule file
 // Author: BJNFNE <[email protected]>
 
-// https://zenhax.com/viewtopic.php@t=17622.html
+// http://zenhax.com/viewtopic.php@t=17622.html
 meta("format", "LCA");
 
 function detect() {
     if (Binary.compare("4C 45 47 4F")) {
-        sVersion = "VRT v5.10";
-        bDetected = true;
+        var vcaFile = Binary.getString(85, 12).trim();
+
+        if (/^[A-Z0-9/.]{12}$/.test(vcaFile)) {
+            if (X.isVerbose()) sOptions = vcaFile;
+            bDetected = true;
+        }
     }
 
     return result();

db/Binary/bin.iCalender.1.sg

@@ -0,0 +1,17 @@
+// Detect It Easy: detection rule file
+// Author: BJNFNE <[email protected]>
+
+meta("format", "iCalendar (.ICS)");
+
+function detect() {
+    if (Binary.compare("42 45 47 49 4E 3A 56 43 41 4C 45 4E 44 41 52")) {
+        var utf = Binary.getString(33, 5).trim();
+
+        if (/^[A-Z0-9/-]{5}$/.test(utf)) {
+            if (X.isVerbose()) sOptions = utf;
+            bDetected = true;
+        }
+    }
+
+    return result();
+}