1 files changed, 1 insertions, 6 deletions

diff --git a/lib/params.cc b/lib/params.cc
index 14f1a53..03867d5 100644
--- a/lib/params.cc
+++ b/lib/params.cc
@@ -1,12 +1,11 @@
 #include <opkele/types.h>
 #include <opkele/exception.h>
 #include <opkele/util.h>
 #include <openssl/sha.h>
 #include <openssl/hmac.h>
-#include <mimetic/mimetic.h>
 
 namespace opkele {
     using namespace std;
 
     bool params_t::has_param(const string& n) const {
         return find(n)!=end();
@@ -57,17 +56,13 @@ namespace opkele {
         unsigned int md_len = 0;
         unsigned char *md = HMAC(
                 EVP_sha1(),
                 &(secret.front()),secret.size(),
                 (const unsigned char *)kv.data(),kv.length(),
                 0,&md_len);
-        mimetic::Base64::Encoder b(0);
-        sig.erase();
-        mimetic::encode(
-                md,md+md_len, b,
-                back_insert_iterator<string>(sig) );
+        sig = util::encode_base64(md,md_len);
     }
 
     string params_t::append_query(const string& url,const char *prefix) const {
         string rv = url;
         bool p = true;
         if(rv.find('?')==string::npos) {