From 041d1ea37802bf7178a31a53f96c26efa6b8fb7b Mon Sep 17 00:00:00 2001
From: James <james.mckenzie@citrix.com>
Date: Fri, 16 Nov 2012 10:41:01 +0000
Subject: fish
---
grub-core/lib/libgcrypt/cipher/hash-common.c | 94 ++++++++++++++++++++++++++++
1 file changed, 94 insertions(+)
create mode 100644 grub-core/lib/libgcrypt/cipher/hash-common.c
(limited to 'grub-core/lib/libgcrypt/cipher/hash-common.c')
diff --git a/grub-core/lib/libgcrypt/cipher/hash-common.c b/grub-core/lib/libgcrypt/cipher/hash-common.c
new file mode 100644
index 0000000..656e180
--- /dev/null
+++ b/grub-core/lib/libgcrypt/cipher/hash-common.c
@@ -0,0 +1,94 @@
+/* hash-common.c - Common code for hash algorithms
+ * Copyright (C) 2008 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
+#include "g10lib.h"
+#include "hash-common.h"
+
+
+/* Run a selftest for hash algorithm ALGO. If the resulting digest
+ matches EXPECT/EXPECTLEN and everything else is fine as well,
+ return NULL. If an error occurs, return a static text string
+ describing the error.
+
+ DATAMODE controls what will be hashed according to this table:
+
+ 0 - Hash the supplied DATA of DATALEN.
+ 1 - Hash one million times a 'a'. DATA and DATALEN are ignored.
+
+*/
+const char *
+_gcry_hash_selftest_check_one (int algo,
+ int datamode, const void *data, size_t datalen,
+ const void *expect, size_t expectlen)
+{
+ const char *result = NULL;
+ gcry_error_t err = 0;
+ gcry_md_hd_t hd;
+ unsigned char *digest;
+
+ if (_gcry_md_get_algo_dlen (algo) != expectlen)
+ return "digest size does not match expected size";
+
+ err = _gcry_md_open (&hd, algo, 0);
+ if (err)
+ return "gcry_md_open failed";
+
+ switch (datamode)
+ {
+ case 0:
+ _gcry_md_write (hd, data, datalen);
+ break;
+
+ case 1: /* Hash one million times an "a". */
+ {
+ char aaa[1000];
+ int i;
+
+ /* Write in odd size chunks so that we test the buffering. */
+ memset (aaa, 'a', 1000);
+ for (i = 0; i < 1000; i++)
+ _gcry_md_write (hd, aaa, 1000);
+ }
+ break;
+
+ default:
+ result = "invalid DATAMODE";
+ }
+
+ if (!result)
+ {
+ digest = _gcry_md_read (hd, algo);
+
+ if ( memcmp (digest, expect, expectlen) )
+ result = "digest mismatch";
+ }
+
+ _gcry_md_close (hd);
+
+ return result;
+}
+
--
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