Remove a 16 year old confusing lie

The mod member of BN_BLINDING hasn't been /* just a reference */ since
the branch prediction mitigations in OpenSSL bd31fb21 from March 2007.

diff --git a/lib/libcrypto/bn/bn_blind.c b/lib/libcrypto/bn/bn_blind.c
index 7332df2..20b82fc 100644 (file)
--- a/lib/libcrypto/bn/bn_blind.c
+++ b/lib/libcrypto/bn/bn_blind.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bn_blind.c,v 1.24 2023/07/28 10:05:16 tb Exp $ */
+/* $OpenBSD: bn_blind.c,v 1.25 2023/08/02 08:02:56 tb Exp $ */
 /* ====================================================================
  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  *
@@ -123,7 +123,7 @@ struct bn_blinding_st {
        BIGNUM *A;
        BIGNUM *Ai;
        BIGNUM *e;
-       BIGNUM *mod; /* just a reference */
+       BIGNUM *mod;
        CRYPTO_THREADID tid;
        int counter;
        unsigned long flags;