Add comments and LICENSE

src/extensions/extension_data/key_share.rs

@@ -109,8 +109,8 @@ mod tests {
     fn test_parse_empty() {
         setup();
         let buffer = [
-            0x00, 0x17, // Secp256r1
-            0x00, 0x00, // key_exchange length = 0 bytes
+            0x00, 0x17,
+            0x00, 0x00,
         ];
         let result = KeyShareEntry::parse(&mut ParseBuffer::new(&buffer)).unwrap();
 
@@ -122,8 +122,8 @@ mod tests {
     fn test_parse() {
         setup();
         let buffer = [
-            0x00, 0x17, // Secp256r1
-            0x00, 0x02, // key_exchange length = 2 bytes
+            0x00, 0x17,
+            0x00, 0x02,
             0xAA, 0xBB,
         ];
         let result = KeyShareEntry::parse(&mut ParseBuffer::new(&buffer)).unwrap();