diff testprof/ecc_test.c @ 280:59400faa4b44 libtomcrypt-orig libtomcrypt-1.05

Re-import libtomcrypt 1.05 for cleaner propagating. From crypt-1.05.tar.bz2, SHA1 of 88250202bb51570dc64f7e8f1c943cda9479258f
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 12:58:00 +0000
parents
children d5faf4814ddb
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testprof/ecc_test.c	Wed Mar 08 12:58:00 2006 +0000
@@ -0,0 +1,137 @@
+#include <tomcrypt_test.h>
+
+#ifdef MECC
+
+static int sizes[] = {
+#ifdef ECC192
+24,
+#endif
+#ifdef ECC224
+28,
+#endif
+#ifdef ECC256
+32,
+#endif
+#ifdef ECC384
+48,
+#endif
+#ifdef ECC512
+65
+#endif
+};
+
+int ecc_tests (void)
+{
+  unsigned char buf[4][4096];
+  unsigned long x, y, z, s;
+  int           stat, stat2;
+  ecc_key usera, userb, pubKey, privKey;
+	
+  DO(ecc_test ());
+
+  for (s = 0; s < (int)(sizeof(sizes)/sizeof(sizes[0])); s++) {
+     /* make up two keys */
+     DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &usera));
+     DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &userb));
+
+     /* make the shared secret */
+     x = 4096;
+     DO(ecc_shared_secret (&usera, &userb, buf[0], &x));
+
+     y = 4096;
+     DO(ecc_shared_secret (&userb, &usera, buf[1], &y));
+
+     if (y != x) {
+       fprintf(stderr, "ecc Shared keys are not same size.");
+       return 1;
+     }
+
+     if (memcmp (buf[0], buf[1], x)) {
+       fprintf(stderr, "ecc Shared keys not same contents.");
+       return 1;
+     }
+
+     /* now export userb */
+     y = 4096;
+     DO(ecc_export (buf[1], &y, PK_PUBLIC, &userb));
+     ecc_free (&userb);
+
+     /* import and make the shared secret again */
+     DO(ecc_import (buf[1], y, &userb));
+
+     z = 4096;
+     DO(ecc_shared_secret (&usera, &userb, buf[2], &z));
+
+     if (z != x) {
+       fprintf(stderr, "failed.  Size don't match?");
+       return 1;
+     }
+     if (memcmp (buf[0], buf[2], x)) {
+       fprintf(stderr, "Failed.  Contents didn't match.");
+       return 1;
+     }
+     ecc_free (&usera);
+     ecc_free (&userb);
+
+     /* test encrypt_key */
+     DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &usera));
+
+     /* export key */
+     x = sizeof(buf[0]);
+     DO(ecc_export(buf[0], &x, PK_PUBLIC, &usera));
+     DO(ecc_import(buf[0], x, &pubKey));
+     x = sizeof(buf[0]);
+     DO(ecc_export(buf[0], &x, PK_PRIVATE, &usera));
+     DO(ecc_import(buf[0], x, &privKey));
+
+     for (x = 0; x < 32; x++) {
+        buf[0][x] = x;
+     }
+     y = sizeof (buf[1]);
+     DO(ecc_encrypt_key (buf[0], 32, buf[1], &y, &yarrow_prng, find_prng ("yarrow"), find_hash ("sha256"), &pubKey));
+     zeromem (buf[0], sizeof (buf[0]));
+     x = sizeof (buf[0]);
+     DO(ecc_decrypt_key (buf[1], y, buf[0], &x, &privKey));
+     if (x != 32) {
+       fprintf(stderr, "Failed (length)");
+       return 1;
+     }
+     for (x = 0; x < 32; x++) {
+        if (buf[0][x] != x) {
+           fprintf(stderr, "Failed (contents)");
+           return 1;
+        }
+     }
+     /* test sign_hash */
+     for (x = 0; x < 16; x++) {
+        buf[0][x] = x;
+     }
+     x = sizeof (buf[1]);
+     DO(ecc_sign_hash (buf[0], 16, buf[1], &x, &yarrow_prng, find_prng ("yarrow"), &privKey));
+     DO(ecc_verify_hash (buf[1], x, buf[0], 16, &stat, &pubKey));
+     buf[0][0] ^= 1;
+     DO(ecc_verify_hash (buf[1], x, buf[0], 16, &stat2, &privKey));
+     if (!(stat == 1 && stat2 == 0)) { 
+        fprintf(stderr, "ecc_verify_hash failed %d, %d, ", stat, stat2);
+        return 1;
+     }
+     ecc_free (&usera); 
+     ecc_free (&pubKey);
+     ecc_free (&privKey);
+  }
+  return 0;
+}
+
+#else
+
+int ecc_tests(void)
+{
+   fprintf(stderr, "NOP");
+   return 0;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/testprof/ecc_test.c,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2005/06/14 19:43:29 $ */