Update to FreeBSD head 2016-08-23

Git mirror commit 9fe7c416e6abb28b1398fd3e5687099846800cfd.

1 files changed, 138 insertions, 0 deletions

diff --git a/freebsd/sys/opencrypto/xform_null.c b/freebsd/sys/opencrypto/xform_null.c
new file mode 100644
index 00000000..6dcf3ffd
--- /dev/null
+++ b/freebsd/sys/opencrypto/xform_null.c
@@ -0,0 +1,138 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*	$OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $	*/
+/*-
+ * The authors of this code are John Ioannidis (ji@tla.org),
+ * Angelos D. Keromytis (kermit@csd.uch.gr),
+ * Niels Provos (provos@physnet.uni-hamburg.de) and
+ * Damien Miller (djm@mindrot.org).
+ *
+ * This code was written by John Ioannidis for BSD/OS in Athens, Greece,
+ * in November 1995.
+ *
+ * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
+ * by Angelos D. Keromytis.
+ *
+ * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
+ * and Niels Provos.
+ *
+ * Additional features in 1999 by Angelos D. Keromytis.
+ *
+ * AES XTS implementation in 2008 by Damien Miller
+ *
+ * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
+ * Angelos D. Keromytis and Niels Provos.
+ *
+ * Copyright (C) 2001, Angelos D. Keromytis.
+ *
+ * Copyright (C) 2008, Damien Miller
+ * Copyright (c) 2014 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * Portions of this software were developed by John-Mark Gurney
+ * under sponsorship of the FreeBSD Foundation and
+ * Rubicon Communications, LLC (Netgate).
+ *
+ * Permission to use, copy, and modify this software with or without fee
+ * is hereby granted, provided that this entire notice is included in
+ * all copies of any software which is or includes a copy or
+ * modification of this software.
+ * You may use this code under the GNU public license if you so wish. Please
+ * contribute changes back to the authors under this freer than GPL license
+ * so that we may further the use of strong encryption without limitations to
+ * all.
+ *
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
+ * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
+ * PURPOSE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <opencrypto/xform_auth.h>
+#include <opencrypto/xform_enc.h>
+
+static	int null_setkey(u_int8_t **, u_int8_t *, int);
+static	void null_encrypt(caddr_t, u_int8_t *);
+static	void null_decrypt(caddr_t, u_int8_t *);
+static	void null_zerokey(u_int8_t **);
+
+static	void null_init(void *);
+static	void null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len);
+static	int null_update(void *, const u_int8_t *, u_int16_t);
+static	void null_final(u_int8_t *, void *);
+
+/* Encryption instances */
+struct enc_xform enc_xform_null = {
+	CRYPTO_NULL_CBC, "NULL",
+	/* NB: blocksize of 4 is to generate a properly aligned ESP header */
+	NULL_BLOCK_LEN, 0, NULL_MIN_KEY, NULL_MAX_KEY, 
+	null_encrypt,
+	null_decrypt,
+	null_setkey,
+	null_zerokey,
+	NULL,
+};
+
+/* Authentication instances */
+struct auth_hash auth_hash_null = {	/* NB: context isn't used */
+	CRYPTO_NULL_HMAC, "NULL-HMAC",
+	NULL_HMAC_KEY_LEN, NULL_HASH_LEN, sizeof(int), NULL_HMAC_BLOCK_LEN,
+	null_init, null_reinit, null_reinit, null_update, null_final
+};
+
+/*
+ * Encryption wrapper routines.
+ */
+static void
+null_encrypt(caddr_t key, u_int8_t *blk)
+{
+}
+
+static void
+null_decrypt(caddr_t key, u_int8_t *blk)
+{
+}
+
+static int
+null_setkey(u_int8_t **sched, u_int8_t *key, int len)
+{
+	*sched = NULL;
+	return 0;
+}
+
+static void
+null_zerokey(u_int8_t **sched)
+{
+	*sched = NULL;
+}
+
+/*
+ * And now for auth.
+ */
+
+static void
+null_init(void *ctx)
+{
+}
+
+static void
+null_reinit(void *ctx, const u_int8_t *buf, u_int16_t len)
+{
+}
+
+static int
+null_update(void *ctx, const u_int8_t *buf, u_int16_t len)
+{
+	return 0;
+}
+
+static void
+null_final(u_int8_t *buf, void *ctx)
+{
+	if (buf != (u_int8_t *) 0)
+		bzero(buf, 12);
+}