fibjs
diff --git a/‎fibjs/src/crypto/bbs/Proof.h
Lines changed: 1 addition & 1 deletion b/‎fibjs/src/crypto/bbs/Proof.h
Lines changed: 1 addition & 1 deletion
diff --git a/‎fibjs/src/crypto/bbs/encode.h
Lines changed: 3 additions & 3 deletions b/‎fibjs/src/crypto/bbs/encode.h
Lines changed: 3 additions & 3 deletions
@@ -10,6 +10,7 @@
 #include "defs.h"
 #include <exlib/include/utils.h>
 #include <blst/include/bbs.h>
+#include <memory>
 
 namespace fibjs {
 
 
@@ -20,7 +20,7 @@ class Proof {
         Buffer* buf = Buffer::Cast(sig);
 
         decoder dec(buf->data(), buf->length());
-        ssize_t sz = dec.decode(&abar, &bbar, &c, &r2hat, &r3hat);
+        intptr_t sz = dec.decode(&abar, &bbar, &c, &r2hat, &r3hat);
         if (sz < 0)
             return false;
 
 
@@ -238,16 +238,16 @@ class decoder {
 
 public:
     template <typename... Ts>
-    ssize_t decode(Ts&&... ts)
+    intptr_t decode(Ts&&... ts)
     {
         size_t sz = (codec_impl::codec_length(*ts) + ...);
         if (sz > m_size)
-            return m_size - sz;
+            return (intptr_t)m_size - (intptr_t)sz;
 
         (codec_impl::decode_one(m_data, ts), ...);
         m_size -= sz;
 
-        return m_size;
+        return (intptr_t)m_size;
     }
 
 private: