gmsm/README.md

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# GM-Standards SM2/SM3/SM4 for Go
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[![Build Status](https://travis-ci.org/emmansun/gmsm.svg?branch=main)](https://travis-ci.org/emmansun/gmsm) [![Documentation](https://godoc.org/github.com/emmansun/gmsm?status.svg)](https://godoc.org/github.com/emmansun/gmsm) [![Release](https://img.shields.io/github/release/emmansun/gmsm/all.svg)](https://github.com/emmansun/gmsm/releases)
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This is a **SM2 sm2p256v1** implementation whose performance is similar like golang native NIST P256 under **amd64** .
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For implementation detail, please refer https://github.com/emmansun/gmsm/wiki
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**SM2 encryption Benchmark**
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P-256/SM2(No tuning)
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goos: windows
goarch: amd64
pkg: gmsm/sm2
BenchmarkLessThan32-6 210 5665861 ns/op 0.01 MB/s 2601864 B/op 27725 allocs/op
PASS
ok gmsm/sm2 5.629s
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P-256/SM2(with P256/SM2 curve pure golang implementation)
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goos: windows
goarch: amd64
pkg: gmsm/sm2
BenchmarkLessThan32_P256SM2-6 1027 1169516 ns/op 3874 B/op 74 allocs/op
PASS
ok gmsm/sm2 1.564s
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P-256/SM2(with P256/SM2 amd64 curve implementation, i think there are still improvement space for p256Sqr function)
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm2
BenchmarkLessThan32_P256SM2-6 10447 115618 ns/op 2357 B/op 46 allocs/op
PASS
ok github.com/emmansun/gmsm/sm2 2.199s
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P-256 (SM2 based on NIST P-256 curve)
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goos: windows
goarch: amd64
pkg: gmsm/sm2
BenchmarkMoreThan32-6 13656 86252 ns/op 3141 B/op 50 allocs/op
PASS
ok gmsm/sm2 4.139s
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**SM3 hash Benchmark**
Pure golang version
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm3
BenchmarkHash8K-6 27097 41112 ns/op 199.26 MB/s 0 B/op 0 allocs/op
PASS
ok github.com/emmansun/gmsm/sm3 3.463s
ASM (non-AVX2) version
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm3
BenchmarkHash8K-6 35080 33235 ns/op 246.49 MB/s 0 B/op 0 allocs/op
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PASS
ok github.com/emmansun/gmsm/sm3 3.102s