rm js-sha256

Author: 45930

package-lock.json

@@ -115,9 +115,9 @@
     "typescript": "^5.4.5"
   },
   "dependencies": {
+    "@noble/hashes": "^1.3.2",
     "blakejs": "1.2.1",
     "cachedir": "^2.4.0",
-    "js-sha256": "^0.9.0",
     "libsodium-wrappers-sumo": "^0.7.15",
     "reflect-metadata": "^0.1.13",
     "stacktrace-js": "^2.0.2",

package.json

@@ -4,7 +4,7 @@ import { Provable } from '../provable.js';
 import { assert } from './common.js';
 import { Field3, ForeignField, split, weakBound } from './foreign-field.js';
 import { l, l2, l2Mask, multiRangeCheck } from './range-check.js';
-import { sha256 } from 'js-sha256';
+import { sha256 } from '@noble/hashes/sha256';
 import { bigIntToBytes, bytesToBigInt } from '../../../bindings/crypto/bigint-helpers.js';
 import {
   CurveAffine,
@@ -626,12 +626,12 @@ function getPointTable(Curve: CurveAffine, P: Point, windowSize: number, table?:
 function initialAggregator(Curve: CurveAffine) {
   // hash that identifies the curve
   let h = sha256.create();
-  h.update('initial-aggregator');
-  h.update(bigIntToBytes(Curve.modulus));
-  h.update(bigIntToBytes(Curve.order));
-  h.update(bigIntToBytes(Curve.a));
-  h.update(bigIntToBytes(Curve.b));
-  let bytes = h.array();
+  h.update(new TextEncoder().encode('initial-aggregator'));
+  h.update(new Uint8Array(bigIntToBytes(Curve.modulus)));
+  h.update(new Uint8Array(bigIntToBytes(Curve.order)));
+  h.update(new Uint8Array(bigIntToBytes(Curve.a)));
+  h.update(new Uint8Array(bigIntToBytes(Curve.b)));
+  let bytes = h.digest();
 
   // bytes represent a 256-bit number
   // use that as x coordinate

src/lib/provable/gadgets/elliptic-curve.ts

@@ -1,6 +1,6 @@
 import { versionBytes } from '../../bindings/crypto/constants.js';
 import { Binable, withVersionNumber } from '../../bindings/lib/binable.js';
-import { sha256 } from 'js-sha256';
+import { sha256 } from '@noble/hashes/sha256';
 import { changeBase } from '../../bindings/crypto/bigint-helpers.js';
 
 export { toBase58Check, fromBase58Check, base58, withBase58, fieldEncodings, Base58, alphabet };
@@ -62,11 +62,12 @@ function fromBase58(base58: string) {
 }
 
 function computeChecksum(input: number[] | Uint8Array) {
+  let inputBytes = input instanceof Uint8Array ? input : new Uint8Array(input);
   let hash1 = sha256.create();
-  hash1.update(input);
+  hash1.update(inputBytes);
   let hash2 = sha256.create();
-  hash2.update(hash1.array());
-  return hash2.array().slice(0, 4);
+  hash2.update(hash1.digest());
+  return Array.from(hash2.digest().slice(0, 4));
 }
 
 type Base58<T> = {