From dd44f6bdff37fbd15a135da4d6a5b0fcf1ef2957 Mon Sep 17 00:00:00 2001 From: Matt Horsnell Date: Wed, 11 Apr 2018 14:08:45 +0100 Subject: arch-arm: AArch32 Crypto SHA This patch implements the AArch32 secure hashing instructions from the Crypto extension. Change-Id: Iaba8424ab71800228a9aff039d93f5c35ee7d8e5 Signed-off-by: Giacomo Travaglini Reviewed-by: Andreas Sandberg Reviewed-on: https://gem5-review.googlesource.com/c/13247 Maintainer: Andreas Sandberg --- src/arch/arm/insts/crypto.hh | 110 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 src/arch/arm/insts/crypto.hh (limited to 'src/arch/arm/insts/crypto.hh') diff --git a/src/arch/arm/insts/crypto.hh b/src/arch/arm/insts/crypto.hh new file mode 100644 index 000000000..c89ace04a --- /dev/null +++ b/src/arch/arm/insts/crypto.hh @@ -0,0 +1,110 @@ +/* + * Copyright (c) 2018 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Matt Horsnell + * Prakash Ramrakhyani + */ + +#ifndef __ARCH_ARM_INSTS_CRYPTO_HH__ +#define __ARCH_ARM_INSTS_CRYPTO_HH__ + +namespace ArmISA { + +class Crypto +{ + enum SHAOp : uint8_t + { + CHOOSE = 0, + PARITY, + MAJORITY + }; + + uint32_t ror(uint32_t x, uint8_t shift) + { + return (x >> shift) | (x << (32 - shift)); + } + + uint32_t choose(uint32_t X, uint32_t Y, uint32_t Z) + { + return (((Y ^ Z) & X) ^ Z); + } + + uint32_t parity(uint32_t X, uint32_t Y, uint32_t Z) + { + return (X ^ Y ^ Z); + } + + uint32_t majority(uint32_t X, uint32_t Y, uint32_t Z) + { + return ((X & Y) | ((X | Y) & Z)); + } + + uint32_t sigma0(uint32_t X) + { + return ror(X,2) ^ ror(X,13) ^ ror(X,22); + } + + uint32_t sigma1(uint32_t X) + { + return ror(X,6) ^ ror(X,11) ^ ror(X,25); + } + + void sha256Op(uint32_t *X, uint32_t *Y, uint32_t *Z); + void sha1Op(uint8_t *output, uint8_t *input, uint8_t *input2, SHAOp op); + void _sha1Op(uint32_t *X, uint32_t *Y, uint32_t *Z, SHAOp op); + + void load2Reg(uint32_t *X, uint32_t *Y, uint8_t *output, uint8_t *input); + void load3Reg(uint32_t *X, uint32_t *Y, uint32_t *Z, + uint8_t *output, uint8_t *input, uint8_t *input2); + void store1Reg(uint8_t *output, uint32_t *X); + + public: + void sha256H(uint8_t *output, uint8_t *input, uint8_t *input2); + void sha256H2(uint8_t *output, uint8_t *input, uint8_t *input2); + void sha256Su0(uint8_t *output, uint8_t *input); + void sha256Su1(uint8_t *output, uint8_t *input, uint8_t *input2); + + void sha1C(uint8_t *output, uint8_t *input, uint8_t *input2); + void sha1P(uint8_t *output, uint8_t *input, uint8_t *input2); + void sha1M(uint8_t *output, uint8_t *input, uint8_t *input2); + void sha1H(uint8_t *output, uint8_t *input); + void sha1Su0(uint8_t *output, uint8_t *input, uint8_t *input2); + void sha1Su1(uint8_t *output, uint8_t *input); +}; + +} // namespace ArmISA + +#endif //__ARCH_ARM_INSTS_CRYPTO_HH__ -- cgit v1.2.3