From cee30fc5602eb4964f0ed5fe88e6ecb6328a4070 Mon Sep 17 00:00:00 2001
From: tb <tb@openbsd.org>
Date: Tue, 20 Feb 2018 17:45:44 +0000
Subject: [PATCH] Provide DSA_{clear,set,test}_flags()

ok jsing
---
 lib/libcrypto/Symbols.list  |  3 +++
 lib/libcrypto/dsa/dsa.h     |  5 ++++-
 lib/libcrypto/dsa/dsa_lib.c | 20 +++++++++++++++++++-
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/lib/libcrypto/Symbols.list b/lib/libcrypto/Symbols.list
index a6137ca95da..0cb1c381065 100644
--- a/lib/libcrypto/Symbols.list
+++ b/lib/libcrypto/Symbols.list
@@ -800,6 +800,7 @@ DSA_OpenSSL
 DSA_SIG_free
 DSA_SIG_it
 DSA_SIG_new
+DSA_clear_flags
 DSA_do_sign
 DSA_do_verify
 DSA_dup_DH
@@ -820,10 +821,12 @@ DSA_set0_key
 DSA_set0_pqg
 DSA_set_default_method
 DSA_set_ex_data
+DSA_set_flags
 DSA_set_method
 DSA_sign
 DSA_sign_setup
 DSA_size
+DSA_test_flags
 DSA_up_ref
 DSA_verify
 DSAparams_dup
diff --git a/lib/libcrypto/dsa/dsa.h b/lib/libcrypto/dsa/dsa.h
index 20db7f91c17..6d618113fdb 100644
--- a/lib/libcrypto/dsa/dsa.h
+++ b/lib/libcrypto/dsa/dsa.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: dsa.h,v 1.26 2018/02/18 14:58:12 tb Exp $ */
+/* $OpenBSD: dsa.h,v 1.27 2018/02/20 17:45:44 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -262,6 +262,9 @@ void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q,
 int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
 void DSA_get0_key(const DSA *d, const BIGNUM **pub_key, const BIGNUM **priv_key);
 int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
+void DSA_clear_flags(DSA *d, int flags);
+int DSA_test_flags(const DSA *d, int flags);
+void DSA_set_flags(DSA *d, int flags);
 
 #define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \
 	EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
diff --git a/lib/libcrypto/dsa/dsa_lib.c b/lib/libcrypto/dsa/dsa_lib.c
index 772c939d314..a43b142b6ec 100644
--- a/lib/libcrypto/dsa/dsa_lib.c
+++ b/lib/libcrypto/dsa/dsa_lib.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: dsa_lib.c,v 1.26 2018/02/18 14:58:12 tb Exp $ */
+/* $OpenBSD: dsa_lib.c,v 1.27 2018/02/20 17:45:44 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -364,3 +364,21 @@ DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key)
 
 	return 1;
 }
+
+void
+DSA_clear_flags(DSA *d, int flags)
+{
+	d->flags &= ~flags;
+}
+
+int
+DSA_test_flags(const DSA *d, int flags)
+{
+	return d->flags & flags;
+}
+
+void
+DSA_set_flags(DSA *d, int flags)
+{
+	d->flags |= flags;
+}
-- 
2.20.1