Cypher_Stack/RandomWOW
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Removed unused AES key expansion code

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tevador 2019-03-29 08:57:47 +01:00
parent 25e6a8abb5
commit 1c9ad90a96
3 changed files with 0 additions and 25 deletions
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1
README.md
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@ -83,7 +83,6 @@ The following people have contributed to the design of RandomX:
RandomX uses some source code from the following 3rd party repositories: RandomX uses some source code from the following 3rd party repositories:
* Argon2d, Blake2b hashing functions: https://github.com/P-H-C/phc-winner-argon2 * Argon2d, Blake2b hashing functions: https://github.com/P-H-C/phc-winner-argon2
* Software AES implementation https://github.com/fireice-uk/xmr-stak
## Donations ## Donations
XMR: XMR:

22
src/softAes.cpp
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@ -17,9 +17,6 @@ You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>. along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/ */
// Parts of this file are originally copyright (c) xmr-stak
// Parts of this file are originally copyright (c) 2014-2017, The Monero Project
#include "softAes.h" #include "softAes.h"
alignas(16) const uint8_t sbox[256] = { alignas(16) const uint8_t sbox[256] = {
@ -321,25 +318,6 @@ alignas(16) const uint32_t lutDec3[256] = {
0x397101a8, 0x08deb30c, 0xd89ce4b4, 0x6490c156, 0x7b6184cb, 0xd570b632, 0x48745c6c, 0xd04257b8, 0x397101a8, 0x08deb30c, 0xd89ce4b4, 0x6490c156, 0x7b6184cb, 0xd570b632, 0x48745c6c, 0xd04257b8,
}; };
static inline uint32_t subw(uint32_t w) {
return (sbox[w >> 24] << 24) |
(sbox[(w >> 16) & 0xff] << 16) |
(sbox[(w >> 8) & 0xff] << 8) |
sbox[w & 0xff];
}
#if defined(__clang__) || defined(__arm__) || defined(__aarch64__) || defined(__powerpc__)
static inline uint32_t _rotr(uint32_t value, uint32_t amount) {
return (value >> amount) | (value << (-amount & 31));
}
#endif
__m128i soft_aeskeygenassist(__m128i key, uint8_t rcon) {
uint32_t X1 = subw(_mm_cvtsi128_si32(_mm_shuffle_epi32(key, 0x55)));
uint32_t X3 = subw(_mm_cvtsi128_si32(_mm_shuffle_epi32(key, 0xFF)));
return _mm_set_epi32(_rotr(X3, 8) ^ rcon, X3, _rotr(X1, 8) ^ rcon, X1);
}
__m128i soft_aesenc(__m128i in, __m128i key) { __m128i soft_aesenc(__m128i in, __m128i key) {
uint32_t s0, s1, s2, s3; uint32_t s0, s1, s2, s3;

2
src/softAes.h
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@ -21,8 +21,6 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#include <stdint.h> #include <stdint.h>
#include "intrinPortable.h" #include "intrinPortable.h"
__m128i soft_aeskeygenassist(__m128i key, uint8_t rcon);
__m128i soft_aesenc(__m128i in, __m128i key); __m128i soft_aesenc(__m128i in, __m128i key);
__m128i soft_aesdec(__m128i in, __m128i key); __m128i soft_aesdec(__m128i in, __m128i key);