fix a bug

9 years ago · 3930cfc726
1 changed files with 1 additions and 1 deletions
--- a/shadowsocks/obfsplugin/verify.py
+++ b/shadowsocks/obfsplugin/verify.py
@ -295,7 +295,7 @@ class verify_sha1(verify_base):
        ret = b''
        if not self.has_sent_header:
            datalen = self.get_head_size(buf, 30)
-            ret += self.pack_auth_data(buf[datalen:])
+            ret += self.pack_auth_data(buf[:datalen])
            buf = buf[datalen:]
            self.has_sent_header = True
        while len(buf) > self.unit_len: