Make {ECDH,ECDSA}_set_method() always fail

They will be removed in the next major bump. No port uses them. They use
code that is in the way of upcoming surgery. Only libtls used the ECDSA
version, but thankfully op cleaned that up.

ok jsing

1 files changed, 2 insertions, 14 deletions

diff --git a/src/lib/libcrypto/ecdh/ech_lib.c b/src/lib/libcrypto/ecdh/ech_lib.c
index 15d7737c39..90e14e1108 100644
--- a/src/lib/libcrypto/ecdh/ech_lib.c
+++ b/src/lib/libcrypto/ecdh/ech_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ech_lib.c,v 1.16 2023/04/25 19:26:45 tb Exp $ */
+/* $OpenBSD: ech_lib.c,v 1.17 2023/06/25 18:24:33 tb Exp $ */
 /* ====================================================================
  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
  *
@@ -103,19 +103,7 @@ ECDH_get_default_method(void)
 int
 ECDH_set_method(EC_KEY *eckey, const ECDH_METHOD *meth)
 {
-        ECDH_DATA *ecdh;
-
-        ecdh = ecdh_check(eckey);
-
-        if (ecdh == NULL)
-                return 0;
-
-#ifndef OPENSSL_NO_ENGINE
-        ENGINE_finish(ecdh->engine);
-        ecdh->engine = NULL;
-#endif
-        ecdh->meth = meth;
-        return 1;
+        return 0;
 }
 
 static ECDH_DATA *