make the bn/mont test compile with opaque DH.

diff --git a/regress/lib/libcrypto/bn/mont/mont.c b/regress/lib/libcrypto/bn/mont/mont.c
index 54626b5..2c311af 100644 (file)
--- a/regress/lib/libcrypto/bn/mont/mont.c
+++ b/regress/lib/libcrypto/bn/mont/mont.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: mont.c,v 1.4 2021/04/04 19:36:09 tb Exp $     */
+/*     $OpenBSD: mont.c,v 1.5 2021/11/26 16:52:07 tb Exp $     */
 
 /*
  * Copyright (c) 2014 Miodrag Vallat.
@@ -35,6 +35,8 @@ int
 main(int argc, char *argv[])
 {
        DH *dh = NULL;
+       BIGNUM *priv_key = NULL;
+       const BIGNUM *pub_key;
        unsigned char *key = NULL;
        unsigned char r[32 + 16 * 8];
        size_t privsz;
@@ -50,16 +52,21 @@ main(int argc, char *argv[])
                        goto err;
 
                /* force private key to be much larger than public one */
-               dh->priv_key = BN_bin2bn(r, privsz, NULL);
-               if (dh->priv_key == NULL)
+               priv_key = BN_bin2bn(r, privsz, NULL);
+               if (priv_key == NULL)
                        goto err;
 
+               if (!DH_set0_key(dh, NULL, priv_key))
+                       goto err;
+               priv_key = NULL;
+
                if (DH_generate_key(dh) == 0)
                        goto err;
                key = malloc(DH_size(dh));
                if (key == NULL)
                        err(1, "malloc");
-               if (DH_compute_key(key, dh->pub_key, dh) == -1)
+               DH_get0_key(dh, &pub_key, NULL);
+               if (DH_compute_key(key, pub_key, dh) == -1)
                        goto err;
 
                free(key);
@@ -73,6 +80,7 @@ main(int argc, char *argv[])
  err:
        ERR_print_errors_fp(stderr);
        free(key);
+       BN_free(priv_key);
        DH_free(dh);
        return 1;
 }