sm4bs

README

sm4bs

实验性项目，通过比特切片等技术来实现sm4，验证性能。

目前性能如下：

64组：

goos: windows
goarch: amd64
pkg: github.com/emmansun/sm4bs
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkXorRK64-6   	38663529	        29.36 ns/op	       0 B/op	       0 allocs/op
BenchmarkSbox64-6   	67601062	        17.83 ns/op	       0 B/op	       0 allocs/op
BenchmarkTao64-6   	14010654	        82.90 ns/op	       0 B/op	       0 allocs/op
BenchmarkL64-6   	54585649	        22.99 ns/op	       0 B/op	       0 allocs/op
BenchmarkBS64TransposeAvx-6   	 4376485	       274.2 ns/op	       0 B/op	       0 allocs/op
BenchmarkBS64TransposeRevAvx-6   	 4492495	       267.5 ns/op	       0 B/op	       0 allocs/op
BenchmarkEncrypt64Blocks-6   	  298386	      4686 ns/op	 218.54 MB/s	    1536 B/op	       2 allocs/op

128组：

goos: windows
goarch: amd64
pkg: github.com/emmansun/sm4bs
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkXor32-6   	84093679	        13.37 ns/op
BenchmarkXorRK-6   	37912296	        31.48 ns/op
BenchmarkL128-6   	52159624	        22.68 ns/op	       0 B/op	       0 allocs/op
BenchmarkSbox128-6   	68027982	        17.27 ns/op	       0 B/op	       0 allocs/op
BenchmarkTao128-6   	14089119	        86.37 ns/op	       0 B/op	       0 allocs/op
BenchmarkBS128TransposeAvx-6   	 2279635	       511.7 ns/op	       0 B/op	       0 allocs/op
BenchmarkBS128TransposeRevAvx-6   	 2365981	       511.2 ns/op	       0 B/op	       0 allocs/op
BenchmarkEncrypt128Blocks-6   	  205614	      5557 ns/op	 368.55 MB/s	    3072 B/op	       2 allocs/op

256组：

goos: windows
goarch: amd64
pkg: github.com/emmansun/sm4bs
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkSbox256-6   	68508790	        17.99 ns/op	       0 B/op	       0 allocs/op
BenchmarkTao256-6   	13837366	        88.67 ns/op	       0 B/op	       0 allocs/op
BenchmarkL256-6   	50736309	        22.45 ns/op	       0 B/op	       0 allocs/op
BenchmarkXorRK256-6   	35646387	        34.23 ns/op	       0 B/op	       0 allocs/op
BenchmarkXor32x256-6   	54216703	        21.92 ns/op	       0 B/op	       0 allocs/op
BenchmarkBS256TransposeAvx-6   	 1000000	      1046 ns/op	       0 B/op	       0 allocs/op
BenchmarkBS256TransposeRevAvx-6   	 1000000	      1020 ns/op	       0 B/op	       0 allocs/op
BenchmarkEncrypt256Blocks-6   	  167295	      6869 ns/op	 596.28 MB/s	    6144 B/op	       2 allocs/op

AES-NI + AVX2方案：

goos: windows
goarch: amd64
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkAESNIEncrypt64Blocks-6   	  613549	      2019 ns/op	 507.24 MB/s	       0 B/op	       0 allocs/op
BenchmarkAESNIEncrypt64Blocks-6   	  293706	      3952 ns/op	 518.16 MB/s	       0 B/op	       0 allocs/op
BenchmarkAESNIEncrypt64Blocks-6   	  149754	      7921 ns/op	 517.10 MB/s	       0 B/op	       0 allocs/op

Detail：

• 128/256组：https://github.com/emmansun/sm4bs/issues/1

Reference:

• https://github.com/emmansun/gmsm/discussions/116

Documentation

Index

• Constants
• Variables

Constants

const BS128_BITBYTES = 16

const BS128_BYTEBYTES = 8 * 16

const BS256_BITBYTES = 32

const BS256_BYTEBYTES = 8 * 32

const BS64_BITBYTES = 8

const BS64_BYTEBYTES = 8 * 8

const BSBlockSize = (BlockSize * WordSize) / 8 // bit slicing block size in bytes

const BlockSize = 128

BlockSize the sm4 block size in bits.

const WordSize = 64

Variables

var BS128 bs128

var BS256 bs256

var BS64 bs64