1 files changed, 118 insertions, 0 deletions

diff --git a/src/lib/libcrypto/des/rand_key.c b/src/lib/libcrypto/des/rand_key.c
new file mode 100644
index 0000000000..8c30bd029a
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+++ b/src/lib/libcrypto/des/rand_key.c
@@ -0,0 +1,118 @@
+/* crypto/des/rand_key.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * 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 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include "des_locl.h"
+#include <time.h>
+
+static int seed=0;
+static des_cblock init;
+
+void des_random_seed(key)
+des_cblock key;
+        {
+        memcpy(init,key,sizeof(des_cblock));
+        seed=1;
+        }
+
+void des_random_key(ret)
+unsigned char *ret;
+        {
+        des_key_schedule ks;
+        static DES_LONG c=0;
+        static unsigned short pid=0;
+        static des_cblock data={0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef};
+        des_cblock key;
+        unsigned char *p;
+        DES_LONG t;
+        int i;
+
+#ifdef MSDOS
+        pid=1;
+#else
+        if (!pid) pid=getpid();
+#endif
+        p=key;
+        if (seed)
+                {
+                for (i=0; i<8; i++)
+                        {
+                        data[i] ^= init[i];
+                        init[i]=0;
+                        }
+                seed=0;
+                }
+        t=(DES_LONG)time(NULL);
+        l2c(t,p);
+        t=(DES_LONG)((pid)|((c++)<<16));
+        l2c(t,p);
+
+        des_set_odd_parity((des_cblock *)data);
+        des_set_key((des_cblock *)data,ks);
+        des_cbc_cksum((des_cblock *)key,(des_cblock *)key,
+                (long)sizeof(key),ks,(des_cblock *)data);
+
+        des_set_odd_parity((des_cblock *)key);
+        des_set_key((des_cblock *)key,ks);
+        des_cbc_cksum((des_cblock *)key,(des_cblock *)data,
+                (long)sizeof(key),ks,(des_cblock *)key);
+
+        memcpy(ret,data,sizeof(key));
+        memset(key,0,sizeof(key));
+        memset(ks,0,sizeof(ks));
+        t=0;
+        }