barrett reduction?

benchmark/index.js

@@ -1,6 +1,6 @@
 import { run, mark, utils } from 'micro-bmark';
 import * as sm from 'sm-crypto'
-import * as smV2 from 'sm-crypto-v2'
+import * as smV2 from '../dist/index.js'
 
 const msg = 'Hello world~!'
 const longMsg = msg.repeat(10000)

src/sm2/asn1.ts

@@ -3,7 +3,7 @@
 import * as utils from './curves/utils';
 import { ONE } from './bn';
 import { utf8ToHex } from './utils';
-import JSBI from 'jsbi';
+import JSBI from './curves/jsbi';
 
 export function bigintToValue(bigint: JSBI) {
   let h = bigint.toString(16)

src/sm2/bn.ts

@@ -1,4 +1,4 @@
-import JSBI from 'jsbi';
+import JSBI from './curves/jsbi';
 
 export const ZERO = JSBI.BigInt(0);
 export const ONE = JSBI.BigInt(1);

src/sm2/curves/curve.ts

@@ -2,7 +2,7 @@
 // Abelian group utilities
 import { IField, validateField, nLength } from './modular.js';
 import { validateObject } from './utils.js';
-import JSBI from 'jsbi';
+import JSBI from './jsbi.js';
 const _0n = JSBI.BigInt(0);
 const _1n = JSBI.BigInt(1);
 const _2n = JSBI.BigInt(2);