From b893f279a938d2809eea9efaace5d56bce945861 Mon Sep 17 00:00:00 2001
From: Linus Yang <laokongzi@gmail.com>
Date: Tue, 12 Nov 2013 12:30:26 +0800
Subject: [PATCH] Add some notes about PolarSSL in README.md

---
 README.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 9d5ccdca..bb9747cd 100644
--- a/README.md
+++ b/README.md
@@ -69,9 +69,14 @@ no more than 5% on a low-end router (Buffalo WHR-G300N V2 with a 400MHz MIPS CPU
 Installation
 ------------
 
-__Note__: Default crypto library is OpenSSL. To build against PolarSSL,
+#### Notes about PolarSSL
+
+* Default crypto library is OpenSSL. To build against PolarSSL,
 specify `--with-crypto-library=polarssl` and  `--with-polarssl=/path/to/polarssl`
 when running `./configure`.
+* PolarSSL __1.2.5 or newer__ is required. Currently, PolarSSL does __NOT__ support 
+CAST5-CFB, DES-CFB, IDEA-CFB, RC2-CFB and SEED-CFB.
+* RC4 is only support by PolarSSL __1.3.0 or above__.
 
 ### Linux