1 files changed, 67 insertions, 0 deletions
diff --git a/gnulib-tests/test-md5-buffer.c b/gnulib-tests/test-md5-buffer.c
new file mode 100644
index 0000000..c181daa
--- /dev/null
+++ b/gnulib-tests/test-md5-buffer.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2005, 2009-2022 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 of the License, 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/>.  */
+
+/* Written by Simon Josefsson. */
+
+#include <config.h>
+
+#include "md5.h"
+
+#include <stdio.h>
+#include <string.h>
+
+int
+main (void)
+{
+  /* Test vectors from RFC 1321. */
+
+  const char *in1 = "abc";
+  const char *out1 =
+    "\x90\x01\x50\x98\x3C\xD2\x4F\xB0\xD6\x96\x3F\x7D\x28\xE1\x7F\x72";
+  const char *in2 = "message digest";
+  const char *out2 =
+    "\xF9\x6B\x69\x7D\x7C\xB7\x93\x8D\x52\x5A\x2F\x31\xAA\xF1\x61\xD0";
+  char buf[MD5_DIGEST_SIZE];
+
+  if (memcmp (md5_buffer (in1, strlen (in1), buf), out1, MD5_DIGEST_SIZE) != 0)
+    {
+      size_t i;
+      printf ("expected:\n");
+      for (i = 0; i < MD5_DIGEST_SIZE; i++)
+        printf ("%02x ", out1[i] & 0xFFu);
+      printf ("\ncomputed:\n");
+      for (i = 0; i < MD5_DIGEST_SIZE; i++)
+        printf ("%02x ", buf[i] & 0xFFu);
+      printf ("\n");
+      return 1;
+    }
+
+  if (memcmp (md5_buffer (in2, strlen (in2), buf), out2, MD5_DIGEST_SIZE) != 0)
+    {
+      size_t i;
+      printf ("expected:\n");
+      for (i = 0; i < MD5_DIGEST_SIZE; i++)
+        printf ("%02x ", out2[i] & 0xFFu);
+      printf ("\ncomputed:\n");
+      for (i = 0; i < MD5_DIGEST_SIZE; i++)
+        printf ("%02x ", buf[i] & 0xFFu);
+      printf ("\n");
+      return 1;
+    }
+
+  return 0;
+}