--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,15 @@
+2005-10-17  Simon Josefsson  <jas@extundo.com>
+
+	* modules/gc-sha1-tests: New file.
+
+	* tests/test-gc-sha1.c: New file.
+
 2005-10-17  Simon Josefsson  <jas@extundo.com>
 
 	* tests/test-rijndael.c: New file.
 
+2005-10-17  Simon Josefsson  <jas@extundo.com>
+
 	* modules/sha1: Depend on stdint instead of md5.
 
 	* modules/md5: Depend on stdint, remove uint32_t.

new file mode 100644
--- /dev/null
+++ b/modules/gc-sha1-tests
@@ -0,0 +1,11 @@
+Files:
+tests/test-gc-sha1.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-gc-sha1
+noinst_PROGRAMS += test-gc-sha1
+test_gc_sha1_SOURCES = test-gc-sha1.c

new file mode 100644
--- /dev/null
+++ b/tests/test-gc-sha1.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2005 Free Software Foundation
+ * 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 2, 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, 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 <string.h>
+#include "gc.h"
+
+int
+main (int argc, char *argv[])
+{
+  Gc_rc rc;
+
+  rc = gc_init ();
+  if (rc != GC_OK)
+    {
+      printf ("gc_init() failed\n");
+      return 1;
+    }
+
+  {
+    char *in = "abcdefgh";
+    size_t inlen = strlen (in);
+    char *expect = "\x42\x5a\xf1\x2a\x07\x43\x50\x2b"
+      "\x32\x2e\x93\xa0\x15\xbc\xf8\x68\xe3\x24\xd5\x6a";
+    char out[20];
+
+    if (gc_sha1 (in, inlen, out) != 0)
+      {
+	printf ("gc_sha1 call failed\n");
+	return 1;
+      }
+
+    if (memcmp (out, expect, 20) != 0)
+      {
+	size_t i;
+	printf ("sha1 missmatch. expected:\n");
+	for (i = 0; i < 16; i++)
+	  printf ("%02x ", expect[i] & 0xFF);
+	printf ("\ncomputed:\n");
+	for (i = 0; i < 16; i++)
+	  printf ("%02x ", out[i] & 0xFF);
+	printf ("\n");
+	return 1;
+      }
+
+    rc = gc_hash_buffer (GC_SHA1, "abcdefgh", 8, out);
+    if (rc != GC_OK)
+      {
+	printf ("gc_hash_buffer(sha1) call failed: %d\n", rc);
+	return 1;
+      }
+
+    if (memcmp (out, expect, 20) != 0)
+      {
+	size_t i;
+	printf ("sha1' missmatch. expected:\n");
+	for (i = 0; i < 16; i++)
+	  printf ("%02x ", expect[i] & 0xFF);
+	printf ("\ncomputed:\n");
+	for (i = 0; i < 16; i++)
+	  printf ("%02x ", out[i] & 0xFF);
+	printf ("\n");
+	return 1;
+      }
+  }
+
+  gc_done ();
+
+  return 0;
+}