1 files changed, 64 insertions, 0 deletions

diff --git a/sys/crypto/intake.h b/sys/crypto/intake.h
new file mode 100644
index 000000000000..bdded3a767f2
--- /dev/null
+++ b/sys/crypto/intake.h
@@ -0,0 +1,64 @@
+/*-
+ * Copyright (c) 2016 Eric McCorkle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _INTAKE_H_
+#define _INTAKE_H_
+
+#include  <sys/param.h>
+
+/*
+ * This file provides an interface for providing keys to the kernel
+ * during boot time.
+ */
+
+#define MAX_KEY_BITS	4096
+#define	MAX_KEY_BYTES	(MAX_KEY_BITS / NBBY)
+
+#define KEYBUF_SENTINEL	0xcee54b5d	/* KEYS4BSD */
+
+enum {
+        KEYBUF_TYPE_NONE,
+        KEYBUF_TYPE_GELI
+};
+
+struct keybuf_ent {
+        unsigned int ke_type;
+        char ke_data[MAX_KEY_BYTES];
+};
+
+struct keybuf {
+        unsigned int kb_nents;
+        struct keybuf_ent kb_ents[];
+};
+
+#ifdef _KERNEL
+/* Get the key intake buffer */
+extern struct keybuf* get_keybuf(void);
+#endif
+
+#endif