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/rijndael-ppc9le.c

@@ -0,0 +1,119 @@
+/* Rijndael (AES) for GnuPG - PowerPC Vector Crypto AES implementation
+ * Copyright (C) 2019 Shawn Landden <shawn@git.icu>
+ * Copyright (C) 2019-2020 Jussi Kivilinna <jussi.kivilinna@iki.fi>
+ *
+ * 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/>.
+ *
+ * Alternatively, this code may be used in OpenSSL from The OpenSSL Project,
+ * and Cryptogams by Andy Polyakov, and if made part of a release of either
+ * or both projects, is thereafter dual-licensed under the license said project
+ * is released under.
+ */
+
+#include <config.h>
+
+#include "rijndael-internal.h"
+#include "cipher-internal.h"
+#include "bufhelp.h"
+
+#ifdef USE_PPC_CRYPTO_WITH_PPC9LE
+
+#include "rijndael-ppc-common.h"
+
+
+#ifdef HAVE_GCC_ATTRIBUTE_OPTIMIZE
+# define FUNC_ATTR_OPT __attribute__((optimize("-O2")))
+#else
+# define FUNC_ATTR_OPT
+#endif
+
+#if defined(__clang__) && defined(HAVE_CLANG_ATTRIBUTE_PPC_TARGET)
+# define PPC_OPT_ATTR __attribute__((target("arch=pwr9"))) FUNC_ATTR_OPT
+#elif defined(HAVE_GCC_ATTRIBUTE_PPC_TARGET)
+# define PPC_OPT_ATTR __attribute__((target("cpu=power9"))) FUNC_ATTR_OPT
+#else
+# define PPC_OPT_ATTR FUNC_ATTR_OPT
+#endif
+
+
+static ASM_FUNC_ATTR_INLINE block
+asm_load_be_const(void)
+{
+  static const block vec_dummy = { 0 };
+  return vec_dummy;
+}
+
+static ASM_FUNC_ATTR_INLINE block
+asm_be_swap(block vec, block be_bswap_const)
+{
+  (void)be_bswap_const;
+  return vec;
+}
+
+static ASM_FUNC_ATTR_INLINE block
+asm_load_be_noswap(unsigned long offset, const void *ptr)
+{
+  block vec;
+#if __GNUC__ >= 4
+  if (__builtin_constant_p (offset) && offset == 0)
+    __asm__ volatile ("lxvb16x %x0,0,%1\n\t"
+		      : "=wa" (vec)
+		      : "r" ((uintptr_t)ptr)
+		      : "memory");
+  else
+#endif
+    __asm__ volatile ("lxvb16x %x0,%1,%2\n\t"
+		      : "=wa" (vec)
+		      : "r" (offset), "r" ((uintptr_t)ptr)
+		      : "memory", "r0");
+  return vec;
+}
+
+static ASM_FUNC_ATTR_INLINE void
+asm_store_be_noswap(block vec, unsigned long offset, void *ptr)
+{
+#if __GNUC__ >= 4
+  if (__builtin_constant_p (offset) && offset == 0)
+    __asm__ volatile ("stxvb16x %x0,0,%1\n\t"
+		      :
+		      : "wa" (vec), "r" ((uintptr_t)ptr)
+		      : "memory");
+  else
+#endif
+    __asm__ volatile ("stxvb16x %x0,%1,%2\n\t"
+		      :
+		      : "wa" (vec), "r" (offset), "r" ((uintptr_t)ptr)
+		      : "memory", "r0");
+}
+
+
+#define GCRY_AES_PPC9LE 1
+#define ENCRYPT_BLOCK_FUNC	_gcry_aes_ppc9le_encrypt
+#define DECRYPT_BLOCK_FUNC	_gcry_aes_ppc9le_decrypt
+#define ECB_CRYPT_FUNC		_gcry_aes_ppc9le_ecb_crypt
+#define CFB_ENC_FUNC		_gcry_aes_ppc9le_cfb_enc
+#define CFB_DEC_FUNC		_gcry_aes_ppc9le_cfb_dec
+#define CBC_ENC_FUNC		_gcry_aes_ppc9le_cbc_enc
+#define CBC_DEC_FUNC		_gcry_aes_ppc9le_cbc_dec
+#define CTR_ENC_FUNC		_gcry_aes_ppc9le_ctr_enc
+#define OCB_CRYPT_FUNC		_gcry_aes_ppc9le_ocb_crypt
+#define OCB_AUTH_FUNC		_gcry_aes_ppc9le_ocb_auth
+#define XTS_CRYPT_FUNC		_gcry_aes_ppc9le_xts_crypt
+#define CTR32LE_ENC_FUNC	_gcry_aes_ppc9le_ctr32le_enc
+
+#include <rijndael-ppc-functions.h>
+
+#endif /* USE_PPC_CRYPTO */