initial code for dumping imessages in a reasonable format

dump-imessages/iphone-dataprotection/ramdisk_tools/bsdcrypto/key_wrap.h

@@ -0,0 +1,40 @@
+/*	$OpenBSD: key_wrap.h,v 1.1 2008/08/12 15:43:00 damien Exp $	*/
+
+/*-
+ * Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _KEY_WRAP_H_
+#define _KEY_WRAP_H_
+
+typedef unsigned char	u_int8_t;
+
+typedef struct _aes_key_wrap_ctx {
+	rijndael_ctx	ctx;
+} aes_key_wrap_ctx;
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+void	aes_key_wrap_set_key(aes_key_wrap_ctx *, const u_int8_t *, size_t);
+void	aes_key_wrap_set_key_wrap_only(aes_key_wrap_ctx *, const u_int8_t *,
+	    size_t);
+void	aes_key_wrap(aes_key_wrap_ctx *, const u_int8_t *, size_t, u_int8_t *);
+int	aes_key_unwrap(aes_key_wrap_ctx *, const u_int8_t *, u_int8_t *,
+	    size_t);
+__END_DECLS
+
+#endif /* _KEY_WRAP_H_ */