3 files changed, 33 insertions, 0 deletions

diff --git a/src/index.html b/src/index.html
index ae39c11..4e685a5 100644
--- a/src/index.html
+++ b/src/index.html
@@ -966,6 +966,7 @@
         <script src="js/jingtum-util.js"></script>
         <script src="js/casinocoin-util.js"></script>
         <script src="js/eos-util.js"></script>
+        <script src="js/fio-util.js"></script>
         <script src="js/sjcl-bip39.js"></script>
         <script src="js/wordlist_english.js"></script>
         <script src="js/wordlist_japanese.js"></script>
diff --git a/src/js/fio-util.js b/src/js/fio-util.js
new file mode 100644
index 0000000..35cb1ba
--- /dev/null
+++ b/src/js/fio-util.js
@@ -0,0 +1,19 @@
+function FIObufferToPublic(pubBuf) {
+  const Buffer = libs.buffer.Buffer;
+  const FIO_PUBLIC_PREFIX = "FIO";
+
+  let checksum = libs.createHash("rmd160").update(pubBuf).digest("hex").slice(0, 8);
+  pubBuf = Buffer.concat([pubBuf, Buffer.from(checksum, "hex")]);
+  return FIO_PUBLIC_PREFIX.concat(libs.bs58.encode(pubBuf));
+}
+
+function FIObufferToPrivate(privBuf) {
+  const Buffer = libs.buffer.Buffer;
+  const FIO_PRIVATE_PREFIX = "80";
+
+  privBuf = Buffer.concat([Buffer.from(FIO_PRIVATE_PREFIX, "hex"), privBuf]);
+  let tmp = libs.createHash("sha256").update(privBuf).digest();
+  let checksum = libs.createHash("sha256").update(tmp).digest("hex").slice(0, 8);
+  privBuf = Buffer.concat([privBuf, Buffer.from(checksum, "hex")]);
+  return libs.bs58.encode(privBuf);
+}
\ No newline at end of file
diff --git a/src/js/index.js b/src/js/index.js
index 32825b2..e8072e4 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -1241,6 +1241,12 @@
                     privkey = eosUtil.bufferToPrivate(keyPair.d.toBuffer(32));
                 }
 
+                if (networks[DOM.network.val()].name == "FIO - Foundation for Interwallet Operability") {
+                    address = ""
+                    pubkey = FIObufferToPublic(keyPair.getPublicKeyBuffer());
+                    privkey = FIObufferToPrivate(keyPair.d.toBuffer(32));
+                }
+
                 //Groestlcoin Addresses are different
                 if(isGRS()) {
 
@@ -2499,6 +2505,13 @@
             },
         },
         {
+            name: "FIO - Foundation for Interwallet Operability",
+            onSelect: function() {
+                network = libs.bitcoin.networks.bitcoin;
+                setHdCoin(235);
+            },
+        },  
+        {
             name: "FIX - FIX",
             onSelect: function() {
                 network = libs.bitcoin.networks.fix;