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authorWerner Koch <wk@gnupg.org>2007-03-13 11:39:11 +0000
committerWerner Koch <wk@gnupg.org>2007-03-13 11:39:11 +0000
commit09c11a3668efb28f1480cf72f90be2b1f44d2adb (patch)
treedcd9589e151b036eddfe8fa16abce379dc744326 /tests/mpitests.c
parenteaba8d58acda66f428870794115cb22c2590ec5e (diff)
downloadlibgcrypt-09c11a3668efb28f1480cf72f90be2b1f44d2adb.tar.gz
Add support for ADM64. From Werner Dittmann.
Cosmetic changes.
Diffstat (limited to 'tests/mpitests.c')
-rw-r--r--tests/mpitests.c181
1 files changed, 181 insertions, 0 deletions
diff --git a/tests/mpitests.c b/tests/mpitests.c
new file mode 100644
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--- /dev/null
+++ b/tests/mpitests.c
@@ -0,0 +1,181 @@
+/* mpitests.c - basic mpi tests
+ * Copyright (C) 2001, 2002, 2003, 2006 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ * USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "../src/gcrypt.h"
+
+
+static int verbose;
+static int debug;
+
+
+/* Set up some test patterns */
+
+/* 48 bytes with value 1: this results in 8 limbs for 64bit limbs, 16limb for 32 bit limbs */
+unsigned char ones[] = {
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01
+};
+
+/* 48 bytes with value 2: this results in 8 limbs for 64bit limbs, 16limb for 32 bit limbs */
+unsigned char twos[] = {
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02
+};
+
+/* 48 bytes with value 3: this results in 8 limbs for 64bit limbs, 16limb for 32 bit limbs */
+unsigned char threes[] = {
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
+};
+
+/* 48 bytes with value 0x80: this results in 8 limbs for 64bit limbs, 16limb for 32 bit limbs */
+unsigned char eighties[] = {
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
+ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80
+};
+
+/* 48 bytes with value 0xff: this results in 8 limbs for 64bit limbs, 16limb for 32 bit limbs */
+unsigned char manyff[] = {
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+};
+
+
+
+static int
+test_add (void)
+{
+ gcry_mpi_t one;
+ gcry_mpi_t two;
+ gcry_mpi_t ff;
+ gcry_mpi_t result;
+ unsigned char* pc;
+
+ gcry_mpi_scan(&one, GCRYMPI_FMT_USG, ones, sizeof(ones), NULL);
+ gcry_mpi_scan(&two, GCRYMPI_FMT_USG, twos, sizeof(twos), NULL);
+ gcry_mpi_scan(&ff, GCRYMPI_FMT_USG, manyff, sizeof(manyff), NULL);
+ result = gcry_mpi_new(0);
+
+ gcry_mpi_add(result, one, two);
+ gcry_mpi_aprint(GCRYMPI_FMT_HEX, &pc, NULL, result);
+ if (verbose)
+ printf("Result of one plus two:\n%s\n", pc);
+ gcry_free(pc);
+
+ gcry_mpi_add(result, ff, one);
+ gcry_mpi_aprint(GCRYMPI_FMT_HEX, &pc, NULL, result);
+ if (verbose)
+ printf("Result of ff plus one:\n%s\n", pc);
+ gcry_free(pc);
+
+ gcry_mpi_release(one);
+ gcry_mpi_release(two);
+ gcry_mpi_release(ff);
+ gcry_mpi_release(result);
+ return 1;
+}
+
+
+static int
+test_sub (void)
+{
+ gcry_mpi_t one;
+ gcry_mpi_t two;
+ gcry_mpi_t result;
+ unsigned char* pc;
+
+ gcry_mpi_scan(&one, GCRYMPI_FMT_USG, ones, sizeof(ones), NULL);
+ gcry_mpi_scan(&two, GCRYMPI_FMT_USG, twos, sizeof(twos), NULL);
+ result = gcry_mpi_new(0);
+ gcry_mpi_sub(result, two, one);
+
+ gcry_mpi_aprint(GCRYMPI_FMT_HEX, &pc, NULL, result);
+ if (verbose)
+ printf("Result of two minus one:\n%s\n", pc);
+ gcry_free(pc);
+
+ gcry_mpi_release(one);
+ gcry_mpi_release(two);
+ gcry_mpi_release(result);
+ return 1;
+}
+
+
+static int
+test_mul (void)
+{
+ gcry_mpi_t two;
+ gcry_mpi_t three;
+ gcry_mpi_t result;
+ unsigned char* pc;
+
+ gcry_mpi_scan(&two, GCRYMPI_FMT_USG, twos, sizeof(twos), NULL);
+ gcry_mpi_scan(&three, GCRYMPI_FMT_USG, threes, sizeof(threes), NULL);
+ result = gcry_mpi_new(0);
+ gcry_mpi_mul(result, two, three);
+
+ gcry_mpi_aprint(GCRYMPI_FMT_HEX, &pc, NULL, result);
+ if (verbose)
+ printf("Result of two mul three:\n%s\n", pc);
+ gcry_free(pc);
+
+ gcry_mpi_release(two);
+ gcry_mpi_release(three);
+ gcry_mpi_release(result);
+ return 1;
+}
+
+
+int
+main (int argc, char* argv[])
+{
+ if (argc > 1 && !strcmp (argv[1], "--verbose"))
+ verbose = 1;
+ else if (argc > 1 && !strcmp (argv[1], "--debug"))
+ verbose = debug = 1;
+
+ if (!gcry_check_version (GCRYPT_VERSION))
+ {
+ fputs ("version mismatch\n", stderr);
+ exit (1);
+ }
+ gcry_control(GCRYCTL_DISABLE_SECMEM);
+
+ test_add ();
+ test_sub ();
+ test_mul ();
+
+ return 0;
+}
+