BSD 4_4_Lite2 development

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

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

diff --git a/Domestic/src/kerberosIV/des/random_key.c b/Domestic/src/kerberosIV/des/random_key.c
new file mode 100644 (file)
index 0000000..3baeafe
--- /dev/null
+++ b/Domestic/src/kerberosIV/des/random_key.c
@@ -0,0 +1,103 @@
+/*
+ * $Source: /mit/kerberos/src/lib/des/RCS/random_key.c,v $
+ * $Author: jtkohl $
+ *
+ * Copyright 1988 by the Massachusetts Institute of Technology.
+ *
+ * For copying and distribution information, please see the file
+ * <mit-copyright.h>.
+ *
+ * These routines perform encryption and decryption using the DES
+ * private key algorithm, or else a subset of it-- fewer inner loops.
+ * ( AUTH_DES_ITER defaults to 16, may be less)
+ *
+ * Under U.S. law, this software may not be exported outside the US
+ * without license from the U.S. Commerce department.
+ *
+ * The key schedule is passed as an arg, as well as the cleartext or
+ * ciphertext.  The cleartext and ciphertext should be in host order.
+ *
+ * These routines form the library interface to the des facilities.
+ *
+ * spm 8/85    MIT project athena
+ */
+
+#ifndef        lint
+static char rcsid_random_key_c[] =
+"$Header: random_key.c,v 4.8 89/01/21 16:50:39 jtkohl Exp $";
+#endif lint
+
+#include <mit-copyright.h>
+#include <stdio.h>
+
+#include <des.h>
+#include "des_internal.h"
+
+#ifdef BSDUNIX
+#include <sys/time.h>
+#endif
+
+extern int des_debug;
+extern int des_debug_print();
+
+/* random_key */
+int
+des_random_key(key)
+    des_cblock *key;
+{
+    /*
+     * create a random des key; should force odd parity per byte;
+     * parity is bits 8,16,...64 in des order, implies 0, 8, 16, ...
+     * vax order
+     */
+
+    register unsigned int temp;
+    register int odd;
+    register unsigned char *c = (unsigned char *) key;
+    unsigned long *k = (unsigned long *) key;
+    static long p = 0;
+    static long n = 0;
+    long gethostid(), random();
+
+    int i,j;
+
+#ifdef BSDUNIX
+    static struct timeval time;
+
+    if (!p) {
+       p = getpid();
+       p ^= gethostid();
+    }
+
+    (void) gettimeofday(&time,(struct timezone *)0);
+    /* randomize start */
+    srandom(time.tv_usec ^ time.tv_sec ^ p ^ n++);
+
+    *k++ = random();
+    *k = random();
+
+    /* make each byte parity odd */
+    for (i = 0; i <= 7; i++) {
+       odd = 0;
+       temp = (unsigned int) *c;
+       /* ignore bit 0, lsb,  it will be parity (on vax) */
+       /* should do this with a table lookup */
+       for (j = 0; j <= 6; j++) {
+           temp = temp >> 1;
+           odd ^= temp & 01;
+       }
+       /* set odd parity in lsb */
+       if (!odd)
+           *c |= 1;
+       else
+           *c &= ~1;
+       c++;
+    }
+
+    /* **** */
+#else
+    dont know how to do random numbers for this machine;
+#endif
+
+    return 0;
+}

diff --git a/usr/src/kerberosIV/des/random_key.c b/usr/src/kerberosIV/des/random_key.c
new file mode 100644 (file)
index 0000000..3baeafe
--- /dev/null
+++ b/usr/src/kerberosIV/des/random_key.c
@@ -0,0 +1,103 @@
+/*
+ * $Source: /mit/kerberos/src/lib/des/RCS/random_key.c,v $
+ * $Author: jtkohl $
+ *
+ * Copyright 1988 by the Massachusetts Institute of Technology.
+ *
+ * For copying and distribution information, please see the file
+ * <mit-copyright.h>.
+ *
+ * These routines perform encryption and decryption using the DES
+ * private key algorithm, or else a subset of it-- fewer inner loops.
+ * ( AUTH_DES_ITER defaults to 16, may be less)
+ *
+ * Under U.S. law, this software may not be exported outside the US
+ * without license from the U.S. Commerce department.
+ *
+ * The key schedule is passed as an arg, as well as the cleartext or
+ * ciphertext.  The cleartext and ciphertext should be in host order.
+ *
+ * These routines form the library interface to the des facilities.
+ *
+ * spm 8/85    MIT project athena
+ */
+
+#ifndef        lint
+static char rcsid_random_key_c[] =
+"$Header: random_key.c,v 4.8 89/01/21 16:50:39 jtkohl Exp $";
+#endif lint
+
+#include <mit-copyright.h>
+#include <stdio.h>
+
+#include <des.h>
+#include "des_internal.h"
+
+#ifdef BSDUNIX
+#include <sys/time.h>
+#endif
+
+extern int des_debug;
+extern int des_debug_print();
+
+/* random_key */
+int
+des_random_key(key)
+    des_cblock *key;
+{
+    /*
+     * create a random des key; should force odd parity per byte;
+     * parity is bits 8,16,...64 in des order, implies 0, 8, 16, ...
+     * vax order
+     */
+
+    register unsigned int temp;
+    register int odd;
+    register unsigned char *c = (unsigned char *) key;
+    unsigned long *k = (unsigned long *) key;
+    static long p = 0;
+    static long n = 0;
+    long gethostid(), random();
+
+    int i,j;
+
+#ifdef BSDUNIX
+    static struct timeval time;
+
+    if (!p) {
+       p = getpid();
+       p ^= gethostid();
+    }
+
+    (void) gettimeofday(&time,(struct timezone *)0);
+    /* randomize start */
+    srandom(time.tv_usec ^ time.tv_sec ^ p ^ n++);
+
+    *k++ = random();
+    *k = random();
+
+    /* make each byte parity odd */
+    for (i = 0; i <= 7; i++) {
+       odd = 0;
+       temp = (unsigned int) *c;
+       /* ignore bit 0, lsb,  it will be parity (on vax) */
+       /* should do this with a table lookup */
+       for (j = 0; j <= 6; j++) {
+           temp = temp >> 1;
+           odd ^= temp & 01;
+       }
+       /* set odd parity in lsb */
+       if (!odd)
+           *c |= 1;
+       else
+           *c &= ~1;
+       c++;
+    }
+
+    /* **** */
+#else
+    dont know how to do random numbers for this machine;
+#endif
+
+    return 0;
+}