Using @nobles/hashes

package.json

@@ -57,7 +57,7 @@
     "whatwg-fetch": "^3.6.19"
   },
   "dependencies": {
-    "blake3": "^2.1.7",
+    "@noble/hashes": "^1.3.2",
     "buffer": "^6.0.3",
     "ecdsa-secp256r1": "^1.3.3",
     "libsodium-wrappers-sumo": "^0.7.9",

src/keri/core/diger.ts

@@ -1,4 +1,4 @@
-import { createHash } from 'blake3';
+import { blake3 } from '@noble/hashes/blake3';
 
 import { Matter, MatterArgs, MtrDex } from './matter';
 
@@ -25,8 +25,9 @@ export class Diger extends Matter {
             }
 
             if (code === MtrDex.Blake3_256) {
-                const hasher = createHash();
-                const dig = hasher.update(ser).digest('');
+                const dig = Buffer.from(
+                    blake3.create({ dkLen: 32 }).update(ser).digest()
+                );
                 super({ raw: dig, code: code });
             } else {
                 throw new Error(`Unsupported code = ${code} for digester.`);
@@ -74,8 +75,9 @@ export class Diger extends Matter {
     }
 
     blake3_256(ser: Uint8Array, dig: any) {
-        const hasher = createHash();
-        const digest = hasher.update(ser).digest('');
+        const digest = Buffer.from(
+            blake3.create({ dkLen: 32 }).update(ser).digest()
+        );
         return digest.toString() === dig.toString();
     }
 }

src/keri/core/prefixer.ts

@@ -4,7 +4,7 @@ import { Dict, Ilks } from './core';
 import { sizeify } from './serder';
 import { Verfer } from './verfer';
 
-import { createHash } from 'blake3';
+import { blake3 } from '@noble/hashes/blake3';
 
 const Dummy: string = '#';
 
@@ -148,8 +148,9 @@ export class Prefixer extends Matter {
         kd['i'] = ''.padStart(Matter.Sizes.get(MtrDex.Blake3_256)!.fs!, Dummy);
         kd['d'] = ked['i'];
         const [raw] = sizeify(ked);
-        const hasher = createHash();
-        const dig = hasher.update(raw).digest('');
+        const dig = Buffer.from(
+            blake3.create({ dkLen: 32 }).update(raw).digest()
+        );
         return [dig, MtrDex.Blake3_256];
     }
 

src/keri/core/saider.ts

@@ -3,7 +3,7 @@ import { deversify, Dict, Serials } from './core';
 import { EmptyMaterialError } from './kering';
 import { dumps, sizeify } from './serder';
 
-import { createHash } from 'blake3';
+import { blake3 } from '@noble/hashes/blake3';
 
 const Dummy = '#';
 
@@ -74,8 +74,7 @@ export class Saider extends Matter {
         _digest_size: number,
         _length: number
     ) {
-        const hasher = createHash();
-        return hasher.update(ser).digest('');
+        return Buffer.from(blake3.create({ dkLen: 32 }).update(ser).digest());
     }
 
     private static _derive(

src/ready.ts

@@ -2,10 +2,6 @@ import _sodium from 'libsodium-wrappers-sumo';
 
 export const ready: () => Promise<void> = async () => {
     try {
-        const b3 = await import('blake3/browser-async');
-        await b3.default(
-            'https://cdn.jsdelivr.net/npm/[email protected]/dist/wasm/web/blake3_js_bg.wasm'
-        );
         await _sodium.ready;
     } catch (e) {
         await _sodium.ready;

test/core/diger.test.ts

@@ -1,7 +1,6 @@
 import { Matter } from '../../src/keri/core/matter';
-
-import { createHash } from 'blake3';
 import { strict as assert } from 'assert';
+import { blake3 } from '@noble/hashes/blake3';
 
 import { Diger } from '../../src/keri/core/diger';
 import { MtrDex } from '../../src/keri/core/matter';
@@ -14,8 +13,9 @@ describe('Diger', () => {
             'abcdefghijklmnopqrstuvwxyz0123456789',
             'binary'
         );
-        const hasher = createHash();
-        const digest = hasher.update(ser).digest('');
+        const digest = Buffer.from(
+            blake3.create({ dkLen: 32 }).update(ser).digest()
+        );
 
         let diger = new Diger({ raw: digest });
         assert.deepStrictEqual(diger.code, MtrDex.Blake3_256);