Updated Base85 operations for latest CyberChef version

src/core/lib/Base85.mjs

@@ -0,0 +1,45 @@
+/**
+ * Base85 resources.
+ *
+ * @author PenguinGeorge [george@penguingeorge.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+/**
+ * Base85 alphabet options.
+ */
+export const ALPHABET_OPTIONS = [
+    {
+        name: "Standard",
+        value: "!&quot;#$%&&apos;()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[&bsol;]^_`abcdefghijklmnopqrstu",
+    },
+    {
+        name: "Z85 (ZeroMQ)",
+        value: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-:+=^!/*?&<>()[]{}@%$#",
+    },
+    {
+        name: "IPv6",
+        value: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|~}",
+    }
+];
+
+
+/**
+ * Returns the name of the alphabet, when given the alphabet.
+ *
+ * @param {string} alphabet
+ * @returns {string}
+ */
+export function alphabetName(alphabet) {
+    alphabet = alphabet.replace("'", "&apos;");
+    alphabet = alphabet.replace("\"", "&quot;");
+    alphabet = alphabet.replace("\\", "&bsol;");
+    let name;
+
+    ALPHABET_OPTIONS.forEach(function(a) {
+        if (escape(alphabet) === escape(a.value)) name = a.name;
+    });
+
+    return name;
+}