diff --git a/ChangeLog b/ChangeLog
index 893623b45f..c9af7e79cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Thu Jan  4 17:00:06 2007  GOTOU Yuuzou  <gotoyuzo@notwork.org>
+
+	* ext/openssl/ossl_asn1.c (Init_ossl_asn1):
+	  OpenSSL::ASN1::ASN1Data#value,#tag,#tag_class and 
+	  OpenSSL::ASN1::BitString#unused_bits should be public.
+
 Thu Jan 04 13:45:10 2007  Koichi Sasada  <ko1@atdot.net>
 
 	* thread_pthread.ci : fix last changes around PTHREAD_STACK_MIN.
diff --git a/ext/openssl/ossl_asn1.c b/ext/openssl/ossl_asn1.c
index fe8a1e0c35..7ef822aa32 100644
--- a/ext/openssl/ossl_asn1.c
+++ b/ext/openssl/ossl_asn1.c
@@ -1108,9 +1108,9 @@ Init_ossl_asn1()
     }
 
     cASN1Data = rb_define_class_under(mASN1, "ASN1Data", rb_cObject);
-    rb_attr(cASN1Data, rb_intern("value"), 1, 1, Qtrue);
-    rb_attr(cASN1Data, rb_intern("tag"), 1, 1, Qtrue);
-    rb_attr(cASN1Data, rb_intern("tag_class"), 1, 1, Qtrue);
+    rb_attr(cASN1Data, rb_intern("value"), 1, 1, 0);
+    rb_attr(cASN1Data, rb_intern("tag"), 1, 1, 0);
+    rb_attr(cASN1Data, rb_intern("tag_class"), 1, 1, 0);
     rb_define_method(cASN1Data, "initialize", ossl_asn1data_initialize, 3);
     rb_define_method(cASN1Data, "to_der", ossl_asn1data_to_der, 0);
 
@@ -1162,5 +1162,5 @@ do{\
     rb_define_method(cASN1ObjectId, "oid", ossl_asn1obj_get_oid, 0);
     rb_define_alias(cASN1ObjectId, "short_name", "sn");
     rb_define_alias(cASN1ObjectId, "long_name", "ln");
-    rb_attr(cASN1BitString, rb_intern("unused_bits"), 1, 1, Qtrue);
+    rb_attr(cASN1BitString, rb_intern("unused_bits"), 1, 1, 0);
 }