--- ngx_http_auth_digest_module.c.orig  2015-05-08 00:15:48.000000000 +0300
+++ ngx_http_auth_digest_module.c       2015-05-08 00:16:03.000000000 +0300
@@ -403,11 +403,11 @@
   if (http_method.data==NULL) return NGX_HTTP_INTERNAL_SERVER_ERROR;
   p = ngx_cpymem(http_method.data, r->method_name.data, r->method_end - r->method_name.data+1);

-  ha2_key.len = http_method.len + r->uri.len + 1;
+  ha2_key.len = http_method.len + r->unparsed_uri.len + 1;
   ha2_key.data = ngx_pcalloc(r->pool, ha2_key.len);
   if (ha2_key.data==NULL) return NGX_HTTP_INTERNAL_SERVER_ERROR;
   p = ngx_cpymem(ha2_key.data, http_method.data, http_method.len-1); *p++ = ':';
-  p = ngx_cpymem(p, r->uri.data, r->uri.len);
+  p = ngx_cpymem(p, r->unparsed_uri.data, r->unparsed_uri.len);

   HA2.len = 33;
   HA2.data = ngx_pcalloc(r->pool, HA2.len);
@@ -487,11 +487,11 @@
     // recalculate the digest with a modified HA2 value (for rspauth) and emit the
     // Authentication-Info header
     ngx_memset(ha2_key.data, 0, ha2_key.len);
-    p = ngx_sprintf(ha2_key.data, ":%s", r->uri.data);
+    p = ngx_sprintf(ha2_key.data, ":%s", r->unparsed_uri.data);

     ngx_memset(HA2.data, 0, HA2.len);
     ngx_md5_init(&md5);
-    ngx_md5_update(&md5, ha2_key.data, r->uri.len);
+    ngx_md5_update(&md5, ha2_key.data, r->unparsed_uri.len);
     ngx_md5_final(hash, &md5);
     ngx_hex_dump(HA2.data, hash, 16);