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SM9 current supported functions:

  • Keys generation密钥生成
  • Sign/Verify (数字签名算法)
  • Key Exchange (密钥交换协议)
  • Wrap/Unwrap Key (密钥封装机制)
  • Encryption/Decryption (公钥加密算法)

Reference

  • Information security technology—Identity-based cryptographic algorithms SM9—Part 1General《GB/T 38635.1-2020 信息安全技术 SM9标识密码算法 第1部分总则》
  • Information security technology—Identity-based cryptographic algorithms SM9—Part 2Algorithms《GB/T 38635.2-2020 信息安全技术 SM9标识密码算法 第2部分算法》
  • Information security technology—SM9 cryptographic algorithm application specification《GB/T 41389-2022 信息安全技术 SM9密码算法使用规范》

您可以从国家标准全文公开系统在线阅读这些标准。

SM9 current performance (for reference only):

SM9 Sign/Verify/Enc/Dec Benchmark

goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm9
cpu: Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
BenchmarkSign-8          	    3492	    319540 ns/op	   19752 B/op	     545 allocs/op
BenchmarkVerify-8        	     806	   1475192 ns/op	  161320 B/op	    3894 allocs/op
BenchmarkEncrypt-8       	    3351	    357549 ns/op	   20971 B/op	     551 allocs/op
BenchmarkDecrypt-8       	    1052	   1135588 ns/op	  142868 B/op	    3356 allocs/op
BenchmarkDecryptASN1-8   	    1063	   1129712 ns/op	  142888 B/op	    3358 allocs/op

SM9 Generate User Sign/Encrypt Private Key Benchmark

goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm9
cpu: Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
BenchmarkGenerateSignPrivKey-8      	   18608	     65422 ns/op	     944 B/op	      14 allocs/op
BenchmarkGenerateEncryptPrivKey-8   	    8486	    151201 ns/op	    1072 B/op	      14 allocs/op