Rename field_data1 and field_data2.

Rather than pretending that these "generic" variables are used for multiple
things, rename them to reflect their actual usage and use appropriate types
instead of void *.

ok tb@

1 files changed, 5 insertions, 3 deletions

diff --git a/src/lib/libcrypto/ec/ec_local.h b/src/lib/libcrypto/ec/ec_local.h
index 5fc9bfebbb..e1240bf6a8 100644
--- a/src/lib/libcrypto/ec/ec_local.h
+++ b/src/lib/libcrypto/ec/ec_local.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ec_local.h,v 1.1 2022/11/26 16:08:52 tb Exp $ */
+/* $OpenBSD: ec_local.h,v 1.2 2023/03/04 14:38:00 jsing Exp $ */
 /*
  * Originally written by Bodo Moeller for the OpenSSL project.
  */
@@ -251,8 +251,10 @@ struct ec_group_st {
         /* Enables optimized point arithmetics for special case. */
         int a_is_minus3;
 
-        void *field_data1;
-        void *field_data2;
+        /* Montgomery context and values used by EC_GFp_mont_method. */
+        BN_MONT_CTX *mont_ctx;
+        BIGNUM *mont_one;
+
         int (*field_mod_func)(BIGNUM *, const BIGNUM *, const BIGNUM *,
             BN_CTX *);
 } /* EC_GROUP */;