In DH_set0_pqg() also set dh->length if q is set to match what OpenSSL do.

ok inoguchi jsing

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libcrypto/dh/dh_lib.c b/src/lib/libcrypto/dh/dh_lib.c
index 446bc65aa2..a66ed1f5bf 100644
--- a/src/lib/libcrypto/dh/dh_lib.c
+++ b/src/lib/libcrypto/dh/dh_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dh_lib.c,v 1.32 2018/05/02 15:48:38 tb Exp $ */
+/* $OpenBSD: dh_lib.c,v 1.33 2021/11/23 09:53:45 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -273,6 +273,7 @@ DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
         if (q != NULL) {
                 BN_free(dh->q);
                 dh->q = q;
+                dh->length = BN_num_bits(dh->q);
         }
         if (g != NULL) {
                 BN_free(dh->g);