libgcrypt: Import libgcrypt 1.11

We currently use an old version of libgcrypt which results in us having
fewer ciphers and missing on many other improvements.

Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

grub-core/lib/libgcrypt/cipher/sha1.h

@@ -0,0 +1,47 @@
+/* sha1.h - SHA-1 context definition
+ * Copyright (C) 1998, 2001, 2002, 2003, 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/>.
+ */
+#ifndef GCRY_SHA1_H
+#define GCRY_SHA1_H
+
+#include "hash-common.h"
+
+
+/* SHA1_USE_S390X_CRYPTO indicates whether to enable zSeries code. */
+#undef SHA1_USE_S390X_CRYPTO
+#if defined(HAVE_GCC_INLINE_ASM_S390X)
+# define SHA1_USE_S390X_CRYPTO 1
+#endif /* SHA1_USE_S390X_CRYPTO */
+
+
+/* We need this here for direct use by random-csprng.c. */
+typedef struct
+{
+  gcry_md_block_ctx_t bctx;
+  u32          h0,h1,h2,h3,h4;
+#ifdef SHA1_USE_S390X_CRYPTO
+  u32          final_len_msb, final_len_lsb; /* needs to be right after h4. */
+  int          use_s390x_crypto;
+#endif
+} SHA1_CONTEXT;
+
+
+void _gcry_sha1_mixblock_init (SHA1_CONTEXT *hd);
+unsigned int _gcry_sha1_mixblock (SHA1_CONTEXT *hd, void *blockof64byte);
+
+#endif /*GCRY_SHA1_H*/