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weierstrass: remove most private utils

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Paul Miller 2023-01-25 07:21:48 +00:00
parent f250f355e8
commit c46914f1bc
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2 changed files with 3 additions and 13 deletions
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10
src/abstract/weierstrass.ts
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@ -641,12 +641,7 @@ export type CurveFn = {
ProjectivePoint: ProjConstructor<bigint>; ProjectivePoint: ProjConstructor<bigint>;
Signature: SignatureConstructor; Signature: SignatureConstructor;
utils: { utils: {
_bigintToBytes: (num: bigint) => Uint8Array;
_bigintToString: (num: bigint) => string;
_normalizePrivateKey: (key: PrivKey) => bigint; _normalizePrivateKey: (key: PrivKey) => bigint;
_isWithinCurveOrder: (num: bigint) => boolean;
_isValidFieldElement: (num: bigint) => boolean;
_weierstrassEquation: (x: bigint) => bigint;
isValidPrivateKey(privateKey: PrivKey): boolean; isValidPrivateKey(privateKey: PrivKey): boolean;
hashToPrivateKey: (hash: Hex) => Uint8Array; hashToPrivateKey: (hash: Hex) => Uint8Array;
randomPrivateKey: () => Uint8Array; randomPrivateKey: () => Uint8Array;
@ -884,12 +879,7 @@ export function weierstrass(curveDef: CurveType): CurveFn {
return false; return false;
} }
}, },
_bigintToBytes: numToField,
_bigintToString: numToFieldStr,
_normalizePrivateKey: normalizePrivateKey, _normalizePrivateKey: normalizePrivateKey,
_isWithinCurveOrder: isWithinCurveOrder,
_isValidFieldElement: isValidFieldElement,
_weierstrassEquation: weierstrassEquation,
/** /**
* Converts some bytes to a valid private key. Needs at least (nBitLength+64) bytes. * Converts some bytes to a valid private key. Needs at least (nBitLength+64) bytes.

6
test/secp256k1.test.js
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@ -1,6 +1,7 @@
import * as fc from 'fast-check'; import * as fc from 'fast-check';
import { secp256k1, schnorr } from '../lib/esm/secp256k1.js'; import { secp256k1, schnorr } from '../lib/esm/secp256k1.js';
import { Fp } from '../lib/esm/abstract/modular.js'; import { Fp } from '../lib/esm/abstract/modular.js';
import { bytesToNumberBE, numberToBytesBE } from '../lib/esm/abstract/utils.js';
import { readFileSync } from 'fs'; import { readFileSync } from 'fs';
import { default as ecdsa } from './vectors/ecdsa.json' assert { type: 'json' }; import { default as ecdsa } from './vectors/ecdsa.json' assert { type: 'json' };
import { default as ecdh } from './vectors/ecdh.json' assert { type: 'json' }; import { default as ecdh } from './vectors/ecdh.json' assert { type: 'json' };
@ -464,12 +465,11 @@ describe('secp256k1', () => {
privateAdd: (privateKey, tweak) => { privateAdd: (privateKey, tweak) => {
const p = normal(privateKey); const p = normal(privateKey);
const t = normal(tweak); const t = normal(tweak);
return secp.utils._bigintToBytes(Fn.create(p + t)); return numberToBytesBE(Fn.create(p + t), 32);
}, },
privateNegate: (privateKey) => { privateNegate: (privateKey) => {
const p = normal(privateKey); return numberToBytesBE(Fn.negate(normal(privateKey)), 32);
return secp.utils._bigintToBytes(Fn.negate(p));
}, },
pointAddScalar: (p, tweak, isCompressed) => { pointAddScalar: (p, tweak, isCompressed) => {