From: Niels Möller <nisse@lysator.liu.se>
Date: Fri, 18 Feb 2022 20:12:49 +0000 (+0100)
Subject: New function block16_zero.
X-Git-Tag: nettle_3.8_release_20220602~26
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bdf820df0b90f210222ef56a27f95e0710c36c92;p=thirdparty%2Fnettle.git

New function block16_zero.
---

diff --git a/ChangeLog b/ChangeLog
index bfaa5e96..4ec5b49a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2022-02-18  Niels Möller  <nisse@lysator.liu.se>
+
+	* block-internal.h (block16_zero): New function.
+
 2022-02-17  Niels Möller  <nisse@lysator.liu.se>
 
 	* gcm.c: Require that GCM_TABLE_BITS == 8. Delete old code for
diff --git a/block-internal.h b/block-internal.h
index 88e19be3..d7b0c315 100644
--- a/block-internal.h
+++ b/block-internal.h
@@ -42,6 +42,13 @@
 #include "nettle-types.h"
 #include "memxor.h"
 
+static inline void
+block16_zero (union nettle_block16 *r)
+{
+  static const union nettle_block16 zero_block;
+  *r = zero_block;
+}
+
 static inline void
 block16_xor (union nettle_block16 *r,
 	     const union nettle_block16 *x)