From b151bf815fdb9df5e2d13bef825e816ffb9c2872 Mon Sep 17 00:00:00 2001
From: BreakWa11 <mmgac001@gmail.com>
Date: Tue, 22 Dec 2015 19:39:39 +0800
Subject: [PATCH] fix "chacha20-ietf"

---
 shadowsocks/crypto/sodium.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shadowsocks/crypto/sodium.py b/shadowsocks/crypto/sodium.py
index ad1f48f..c4b5c1c 100644
--- a/shadowsocks/crypto/sodium.py
+++ b/shadowsocks/crypto/sodium.py
@@ -56,7 +56,7 @@ def load_libsodium():
         libsodium.crypto_stream_chacha20_ietf_xor_ic.restype = c_int
         libsodium.crypto_stream_chacha20_ietf_xor_ic.argtypes = (c_void_p, c_char_p,
                                                         c_ulonglong,
-                                                        c_char_p, c_ulonglong,
+                                                        c_char_p, c_ulong,
                                                         c_char_p)
     except:
         pass