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sm9/bn256: update document

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emmansun 2023-06-24 10:10:08 +08:00
parent 9b4a77482a
commit dbbfa37399
3 changed files with 21 additions and 39 deletions
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50
sm9/README.md
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@ -7,52 +7,26 @@
## SM9 current performance:
**SM9 Sign Benchmark**
**SM9 Sign/Verify/Enc/Dec Benchmark**
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm9
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkSign-6 1344 871597 ns/op 35870 B/op 1013 allocs/op
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 Verify Benchmark**
**SM9 Generate User Sign/Encrypt Private Key Benchmark**
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm9
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkVerify-6 352 3331673 ns/op 237676 B/op 6283 allocs/op
**SM9 Encrypt(XOR) Benchmark**
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm9
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkEncrypt-6 1120 971188 ns/op 38125 B/op 1036 allocs/op
**SM9 Decrypt(XOR) Benchmark**
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm9
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkDecrypt-6 507 2345492 ns/op 202360 B/op 5228 allocs/op
**SM9 Generate User Sign Private Key Benchmark**
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm9
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkGenerateSignPrivKey-6 8078 147638 ns/op 3176 B/op 47 allocs/op
**SM9 Generate User Encrypt Private Key Benchmark**
goos: windows
goarch: amd64
pkg: github.com/emmansun/gmsm/sm9
cpu: Intel(R) Core(TM) i5-9500 CPU @ 3.00GHz
BenchmarkGenerateEncryptPrivKey-6 3445 326796 ns/op 3433 B/op 47 allocs/op
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
To further improve `Verify()/Decrypt()` performance, need to improve `Pair()` method performance.

2
sm9/bn256/README.md
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@ -1,6 +1,6 @@
This part codes mainly refer two projects:
1. [bn256](https://github.com/cloudflare/bn256), 主要是基域运算。这个项目的主要问题在于测试太少。
1. [bn256](https://github.com/cloudflare/bn256), 主要是基域运算。这个项目的主要问题在于测试太少。后续进行了大量改进：增加测试、减少乘法、常量时间运行的ScalarMult实现、优化的Invert/Sqrt实现、直至替换基础域计算实现。
2. [gmssl sm9](https://github.com/guanzhi/GmSSL/blob/develop/src/sm9_alg.c)，主要是2-4-12塔式扩域（现在实现了1-2-4-12扩域以及1-2-6-12扩域，以及相互转换），以及r-ate等。这个项目的主要问题在于性能没有怎么优化。基于性能考虑，后续r-rate还是参考了bn256的op-ate，并结合sm9的特殊性做了适应性改造。
3. [SM9 precompute pairing per master public key level](https://github.com/emmansun/gmsm/discussions/60)。
4. G1, G2曲线倍点运算预计算。

8
sm9/bn256/gfp_decl.go
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@ -12,15 +12,23 @@ import (
var hasBMI2 = cpu.X86.HasBMI2
// Set c = p - a, if c == p, then c = 0
//
// go:noescape
func gfpNeg(c, a *gfP)
// Set c = a + b, if c >= p, then c = c - p
//
//go:noescape
func gfpAdd(c, a, b *gfP)
// Set c = a - b, if c is negative, then c = c + p
//
//go:noescape
func gfpSub(c, a, b *gfP)
// Montgomery multiplication. Sets res = in1 * in2 * R⁻¹ mod p.
//
//go:noescape
func gfpMul(c, a, b *gfP)