From faa10f0f6a1fff0b9a99fffb9bc30cee33b17212 Mon Sep 17 00:00:00 2001
From: justmoon <justmoon@members.fsf.org>
Date: Sat, 7 Apr 2012 02:02:21 +0200
Subject: [PATCH] Compressed pubkey output is confirmed working, remove TODO,
 add comments.

---
 src/ecdsa.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ecdsa.js b/src/ecdsa.js
index f5775c2..cc7aea4 100644
--- a/src/ecdsa.js
+++ b/src/ecdsa.js
@@ -24,12 +24,17 @@ ECPointFp.prototype.getEncoded = function (compressed) {
 
   if (compressed) {
     if (y.isEven()) {
+      // Compressed even pubkey
+      // M = 02 || X
       enc.unshift(0x02);
     } else {
+      // Compressed uneven pubkey
+      // M = 03 || X
       enc.unshift(0x03);
     }
-    // TODO: Implement
   } else {
+    // Uncompressed pubkey
+    // M = 04 || X || Y
     enc.unshift(0x04);
     enc = enc.concat(integerToBytes(y, 32));
   }