From 6585e5ad764ee2414d9b01f30784b6549bc8f58e Mon Sep 17 00:00:00 2001
From: Othmar Gsenger <otti@anytun.org>
Date: Mon, 30 Jul 2007 19:37:53 +0000
Subject: added keyexchange

---
 .../isakmpd-20041012/regress/rsakeygen/rsakeygen.c | 128 +++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 keyexchange/isakmpd-20041012/regress/rsakeygen/rsakeygen.c

(limited to 'keyexchange/isakmpd-20041012/regress/rsakeygen/rsakeygen.c')

diff --git a/keyexchange/isakmpd-20041012/regress/rsakeygen/rsakeygen.c b/keyexchange/isakmpd-20041012/regress/rsakeygen/rsakeygen.c
new file mode 100644
index 0000000..08548a0
--- /dev/null
+++ b/keyexchange/isakmpd-20041012/regress/rsakeygen/rsakeygen.c
@@ -0,0 +1,128 @@
+/*	$OpenBSD: rsakeygen.c,v 1.19 2004/02/26 15:27:05 hshoexer Exp $	*/
+/*	$EOM: rsakeygen.c,v 1.10 2000/12/21 15:18:53 ho Exp $	*/
+
+/*
+ * Copyright (c) 1998, 1999 Niels Provos.  All rights reserved.
+ * Copyright (c) 1999, 2001 Niklas Hallqvist.  All rights reserved.
+ * Copyright (c) 2001 Håkan Olsson.  All rights reserved.
+ *
+ * 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 above 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+/*
+ * This code was written under funding by Ericsson Radio Systems.
+ */
+
+#include <sys/param.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libcrypto.h"
+#include "log.h"
+#include "math_mp.h"
+
+#define nibble2bin(y) (tolower (y) < 'a' ? (y) - '0' : tolower (y) - 'a' + 10)
+#define hexchar2bin(x) ((nibble2bin ((x)[0]) << 4) + nibble2bin ((x)[1]))
+#define nibble2c(x) ((x) >= 10 ? ('a' - 10 + (x)) : ('0' + (x)))
+
+#define TEST_STRING "!Dies ist ein Test"
+
+int
+main (void)
+{
+  u_int8_t enc[256], dec[256], *asn, *foo;
+  int len;
+  FILE *fd;
+  int erg = 0;
+  RSA *key;
+
+  libcrypto_init ();
+
+  log_debug_cmd (LOG_CRYPTO, 99);
+  memset (dec, '\0', sizeof dec);
+  strlcpy (dec, TEST_STRING, 256);
+
+  key = RSA_generate_key (1024, RSA_F4, NULL, NULL);
+  if (key == NULL)
+    {
+      printf("Failed to generate key\n");
+      return 0;
+    }
+
+  printf ("n: 0x");
+  BN_print_fp (stdout, key->n);
+  printf ("\ne: 0x");
+  BN_print_fp (stdout, key->e);
+  printf ("\n");
+
+  printf ("n: 0x");
+  BN_print_fp (stdout, key->n);
+  printf ("\ne: 0x");
+  BN_print_fp (stdout, key->e);
+  printf ("\nd: 0x");
+  BN_print_fp (stdout, key->d);
+  printf ("\np: 0x");
+  BN_print_fp (stdout, key->p);
+  printf ("\nq: 0x");
+  BN_print_fp (stdout, key->q);
+  printf ("\n");
+
+  printf ("Testing Signing/Verifying: ");
+  /* Sign with Private Key */
+  len = RSA_private_encrypt (strlen (dec) + 1, dec, enc, key,
+			     RSA_PKCS1_PADDING);
+  if (len == -1)
+    printf ("SIGN FAILED ");
+  else
+    {
+      /* Decrypt/Verify with Public Key */
+      erg = RSA_public_decrypt (len, enc, dec, key, RSA_PKCS1_PADDING);
+
+      if (erg == -1 || strcmp (dec, TEST_STRING))
+	printf ("VERIFY FAILED");
+      else
+	printf ("OKAY");
+    }
+
+  printf ("\n");
+
+  len = i2d_RSAPublicKey (key, NULL);
+  foo = asn = malloc (len);
+  len = i2d_RSAPublicKey (key, &foo);
+  fd = fopen ("isakmpd_key.pub", "w");
+  fwrite (asn, len, 1, fd);
+  fclose (fd);
+  free (asn);
+
+  len = i2d_RSAPrivateKey (key, NULL);
+  foo = asn = malloc (len);
+  len = i2d_RSAPrivateKey (key, &foo);
+  fd = fopen ("isakmpd_key", "w");
+  fwrite (asn, len, 1, fd);
+  fclose (fd);
+  free (asn);
+
+  RSA_free (key);
+
+  return 1;
+}
-- 
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