BSD 4_4_Lite2 development

Work on file usr/src/kerberosIV/des/weak_key.c
Work on file Domestic/src/kerberosIV/des/weak_key.c

Synthesized-from: CSRG/cd3/4.4BSD-Lite2

diff --git a/Domestic/src/kerberosIV/des/weak_key.c b/Domestic/src/kerberosIV/des/weak_key.c
new file mode 100644 (file)
index 0000000..8ba178d
--- /dev/null
+++ b/Domestic/src/kerberosIV/des/weak_key.c
@@ -0,0 +1,74 @@
+/*
+ * $Source: /mit/kerberos/src/lib/des/RCS/weak_key.c,v $
+ * $Author: jtkohl $
+ *
+ * Copyright 1989 by the Massachusetts Institute of Technology.
+ *
+ * For copying and distribution information, please see the file
+ * <mit-copyright.h>.
+ *
+ * Under U.S. law, this software may not be exported outside the US
+ * without license from the U.S. Commerce department.
+ *
+ * These routines form the library interface to the DES facilities.
+ *
+ * Originally written 8/85 by Steve Miller, MIT Project Athena.
+ */
+
+#ifndef        lint
+static char rcsid_weak_key_c[] =
+"$Header: weak_key.c,v 4.3 89/01/22 12:16:41 jtkohl Exp $";
+#endif lint
+
+#include <des.h>
+#include "des_internal.h"
+
+/*
+ * The following are the weak DES keys:
+ */
+static des_cblock weak[16] = {
+    /* weak keys */
+    {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},
+    {0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe},
+    {0x1f,0x1f,0x1f,0x1f,0x0e,0x0e,0x0e,0x0e},
+    {0xe0,0xe0,0xe0,0xe0,0xf1,0xf1,0xf1,0xf1},
+
+    /* semi-weak */
+    {0x01,0xfe,0x01,0xfe,0x01,0xfe,0x01,0xfe},
+    {0xfe,0x01,0xfe,0x01,0xfe,0x01,0xfe,0x01},
+
+    {0x1f,0xe0,0x1f,0xe0,0x0e,0xf1,0x0e,0xf1},
+    {0xe0,0x1f,0xe0,0x1f,0xf1,0x0e,0xf1,0x0e},
+
+    {0x01,0xe0,0x01,0xe0,0x01,0xf1,0x01,0xf1},
+    {0xe0,0x01,0xe0,0x01,0xf1,0x01,0xf1,0x01},
+
+    {0x1f,0xfe,0x1f,0xfe,0x0e,0xfe,0x0e,0xfe},
+    {0xfe,0x1f,0xfe,0x1f,0xfe,0x0e,0xfe,0x0e},
+
+    {0x01,0x1f,0x01,0x1f,0x01,0x0e,0x01,0x0e},
+    {0x1f,0x01,0x1f,0x01,0x0e,0x01,0x0e,0x01},
+
+    {0xe0,0xfe,0xe0,0xfe,0xf1,0xfe,0xf1,0xfe},
+    {0xfe,0xe0,0xfe,0xe0,0xfe,0xf1,0xfe,0xf1}
+};
+
+/*
+ * des_is_weak_key: returns true iff key is a [semi-]weak des key.
+ *
+ * Requires: key has correct odd parity.
+ */
+int
+des_is_weak_key(key)
+     des_cblock key;
+{
+    int i;
+    des_cblock *weak_p = weak;
+
+    for (i = 0; i < (sizeof(weak)/sizeof(des_cblock)); i++) {
+       if (!bcmp((char *)weak_p++,(char *)key,sizeof(des_cblock)))
+           return 1;
+    }
+
+    return 0;
+}

diff --git a/usr/src/kerberosIV/des/weak_key.c b/usr/src/kerberosIV/des/weak_key.c
new file mode 100644 (file)
index 0000000..8ba178d
--- /dev/null
+++ b/usr/src/kerberosIV/des/weak_key.c
@@ -0,0 +1,74 @@
+/*
+ * $Source: /mit/kerberos/src/lib/des/RCS/weak_key.c,v $
+ * $Author: jtkohl $
+ *
+ * Copyright 1989 by the Massachusetts Institute of Technology.
+ *
+ * For copying and distribution information, please see the file
+ * <mit-copyright.h>.
+ *
+ * Under U.S. law, this software may not be exported outside the US
+ * without license from the U.S. Commerce department.
+ *
+ * These routines form the library interface to the DES facilities.
+ *
+ * Originally written 8/85 by Steve Miller, MIT Project Athena.
+ */
+
+#ifndef        lint
+static char rcsid_weak_key_c[] =
+"$Header: weak_key.c,v 4.3 89/01/22 12:16:41 jtkohl Exp $";
+#endif lint
+
+#include <des.h>
+#include "des_internal.h"
+
+/*
+ * The following are the weak DES keys:
+ */
+static des_cblock weak[16] = {
+    /* weak keys */
+    {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},
+    {0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe},
+    {0x1f,0x1f,0x1f,0x1f,0x0e,0x0e,0x0e,0x0e},
+    {0xe0,0xe0,0xe0,0xe0,0xf1,0xf1,0xf1,0xf1},
+
+    /* semi-weak */
+    {0x01,0xfe,0x01,0xfe,0x01,0xfe,0x01,0xfe},
+    {0xfe,0x01,0xfe,0x01,0xfe,0x01,0xfe,0x01},
+
+    {0x1f,0xe0,0x1f,0xe0,0x0e,0xf1,0x0e,0xf1},
+    {0xe0,0x1f,0xe0,0x1f,0xf1,0x0e,0xf1,0x0e},
+
+    {0x01,0xe0,0x01,0xe0,0x01,0xf1,0x01,0xf1},
+    {0xe0,0x01,0xe0,0x01,0xf1,0x01,0xf1,0x01},
+
+    {0x1f,0xfe,0x1f,0xfe,0x0e,0xfe,0x0e,0xfe},
+    {0xfe,0x1f,0xfe,0x1f,0xfe,0x0e,0xfe,0x0e},
+
+    {0x01,0x1f,0x01,0x1f,0x01,0x0e,0x01,0x0e},
+    {0x1f,0x01,0x1f,0x01,0x0e,0x01,0x0e,0x01},
+
+    {0xe0,0xfe,0xe0,0xfe,0xf1,0xfe,0xf1,0xfe},
+    {0xfe,0xe0,0xfe,0xe0,0xfe,0xf1,0xfe,0xf1}
+};
+
+/*
+ * des_is_weak_key: returns true iff key is a [semi-]weak des key.
+ *
+ * Requires: key has correct odd parity.
+ */
+int
+des_is_weak_key(key)
+     des_cblock key;
+{
+    int i;
+    des_cblock *weak_p = weak;
+
+    for (i = 0; i < (sizeof(weak)/sizeof(des_cblock)); i++) {
+       if (!bcmp((char *)weak_p++,(char *)key,sizeof(des_cblock)))
+           return 1;
+    }
+
+    return 0;
+}