--- /dev/null
+/*
+ * Copyright (C) 2005, 2010-2019 Free Software Foundation, Inc.
+ * Written by Simon Josefsson
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "gc.h"
+
+#include <stdio.h>
+#include <string.h>
+
+int
+main (int argc, char *argv[])
+{
+ Gc_rc rc;
+ gc_hash_handle h;
+
+ rc = gc_init ();
+ if (rc != GC_OK)
+ {
+ printf ("gc_init() failed\n");
+ return 1;
+ }
+
+ {
+ char *in = "abcdefghijklmnopqrstuvwxyz";
+ size_t inlen = strlen (in);
+ char *expect =
+ "\x71\xc4\x80\xdf\x93\xd6\xae\x2f\x1e\xfa\xd1\x44\x7c\x66\xc9\x52"
+ "\x5e\x31\x62\x18\xcf\x51\xfc\x8d\x9e\xd8\x32\xf2\xda\xf1\x8b\x73";
+ char out[32];
+ const char *p;
+
+ if (gc_sha256 (in, inlen, out) != 0)
+ {
+ printf ("gc_sha256 call failed\n");
+ return 1;
+ }
+
+ if (memcmp (out, expect, 32) != 0)
+ {
+ size_t i;
+ printf ("sha256 test1 mismatch. expected:\n");
+ for (i = 0; i < 32; i++)
+ printf ("%02x ", expect[i] & 0xFF);
+ printf ("\ncomputed:\n");
+ for (i = 0; i < 32; i++)
+ printf ("%02x ", out[i] & 0xFF);
+ printf ("\n");
+ return 1;
+ }
+
+ rc = gc_hash_buffer (GC_SHA256, "abcdefghijklmnopqrstuvwxyz", 26, out);
+ if (rc != GC_OK)
+ {
+ printf ("gc_hash_buffer(sha256) call failed: %d\n", rc);
+ return 1;
+ }
+
+ if (memcmp (out, expect, 32) != 0)
+ {
+ size_t i;
+ printf ("sha256 test2 mismatch. expected:\n");
+ for (i = 0; i < 32; i++)
+ printf ("%02x ", expect[i] & 0xFF);
+ printf ("\ncomputed:\n");
+ for (i = 0; i < 32; i++)
+ printf ("%02x ", out[i] & 0xFF);
+ printf ("\n");
+ return 1;
+ }
+
+ if (gc_hash_digest_length (GC_SHA256) != 32)
+ {
+ printf ("gc_hash_digest_length (GC_SHA256) failed\n");
+ return 1;
+ }
+
+ if ((rc = gc_hash_open (GC_SHA256, 0, &h)) != GC_OK)
+ {
+ printf ("gc_hash_open(GC_SHA256) failed (%d)\n", rc);
+ return 1;
+ }
+
+ gc_hash_write (h, inlen, in);
+
+ p = gc_hash_read (h);
+
+ if (!p)
+ {
+ printf ("gc_hash_read failed\n");
+ return 1;
+ }
+
+ if (memcmp (p, expect, 32) != 0)
+ {
+ size_t i;
+ printf ("sha256 test3 mismatch. expected:\n");
+ for (i = 0; i < 32; i++)
+ printf ("%02x ", expect[i] & 0xFF);
+ printf ("\ncomputed:\n");
+ for (i = 0; i < 32; i++)
+ printf ("%02x ", p[i] & 0xFF);
+ printf ("\n");
+ return 1;
+ }
+
+ gc_hash_close (h);
+ }
+
+ gc_done ();
+
+ return 0;
+}