8143925: Enhancing CounterMode.crypt() for AES
Summary: Add intrinsic for CounterMode.crypt() to leverage the parallel nature of AES in Counter(CTR) Mode.
Reviewed-by: kvn, ascarpino
Contributed-by: kishor.kharbas@intel.com
/*
* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef CPU_X86_VM_STUBROUTINES_X86_HPP
#define CPU_X86_VM_STUBROUTINES_X86_HPP
// This file holds the platform specific parts of the StubRoutines
// definition. See stubRoutines.hpp for a description on how to
// extend it.
private:
static address _verify_mxcsr_entry;
// shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers
static address _key_shuffle_mask_addr;
//shuffle mask for big-endian 128-bit integers
static address _counter_shuffle_mask_addr;
// masks and table for CRC32
static uint64_t _crc_by128_masks[];
static juint _crc_table[];
// table for CRC32C
static juint* _crc32c_table;
// swap mask for ghash
static address _ghash_long_swap_mask_addr;
static address _ghash_byte_swap_mask_addr;
public:
static address verify_mxcsr_entry() { return _verify_mxcsr_entry; }
static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; }
static address counter_shuffle_mask_addr() { return _counter_shuffle_mask_addr; }
static address crc_by128_masks_addr() { return (address)_crc_by128_masks; }
static address ghash_long_swap_mask_addr() { return _ghash_long_swap_mask_addr; }
static address ghash_byte_swap_mask_addr() { return _ghash_byte_swap_mask_addr; }
static void generate_CRC32C_table(bool is_pclmulqdq_supported);
#endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP