From db6608bd819d10cc2ddb57d18054d62d4ca15596 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sun, 23 Nov 2003 18:21:42 +0000
Subject: add libsec

---
 src/libsec/port/desmodes.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/libsec/port/desmodes.c

(limited to 'src/libsec/port/desmodes.c')

diff --git a/src/libsec/port/desmodes.c b/src/libsec/port/desmodes.c
new file mode 100644
index 00000000..da6d9841
--- /dev/null
+++ b/src/libsec/port/desmodes.c
@@ -0,0 +1,31 @@
+#include "os.h"
+#include <libsec.h>
+
+/*
+ *  these routines use the 64bit format for
+ *  DES keys.
+ */
+
+void
+setupDESstate(DESstate *s, uchar key[8], uchar *ivec)
+{
+	memset(s, 0, sizeof(*s));
+	memmove(s->key, key, sizeof(s->key));
+	des_key_setup(key, s->expanded);
+	if(ivec)
+		memmove(s->ivec, ivec, 8);
+	s->setup = 0xdeadbeef;
+}
+
+void
+setupDES3state(DES3state *s, uchar key[3][8], uchar *ivec)
+{
+	memset(s, 0, sizeof(*s));
+	memmove(s->key, key, sizeof(s->key));
+	des_key_setup(key[0], s->expanded[0]);
+	des_key_setup(key[1], s->expanded[1]);
+	des_key_setup(key[2], s->expanded[2]);
+	if(ivec)
+		memmove(s->ivec, ivec, 8);
+	s->setup = 0xdeadbeef;
+}
-- 
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