1 files changed, 1 insertions, 0 deletions

diff --git a/lib/basic_rp.cc b/lib/basic_rp.cc
index a0ad130..e65d9fb 100644
--- a/lib/basic_rp.cc
+++ b/lib/basic_rp.cc
@@ -1,20 +1,21 @@
 #include <cassert>
 #include <openssl/sha.h>
 #include <openssl/hmac.h>
 #include <opkele/basic_rp.h>
 #include <opkele/exception.h>
 #include <opkele/uris.h>
 #include <opkele/data.h>
 #include <opkele/util.h>
+#include <opkele/util-internal.h>
 #include <opkele/curl.h>
 
 namespace opkele {
 
     static void dh_get_secret(
             secret_t& secret, const basic_openid_message& om,
             const char *exp_assoc, const char *exp_sess,
             util::dh_t& dh,
             size_t d_len, unsigned char *(*d_fun)(const unsigned char*,size_t,unsigned char*),
             size_t exp_s_len) try {
         if(om.get_field("assoc_type")!=exp_assoc || om.get_field("session_type")!=exp_sess)
             throw bad_input(OPKELE_CP_ "Unexpected associate response");