Replace bech32 and old chacha with noble and scure packages

package.json

@@ -53,6 +53,7 @@
     "@babel/preset-typescript": "7.22.15",
     "@ethersproject/address": "5.7.0",
     "@greymass/eosio": "^0.7.0",
+    "@jest/globals": "^29.7.0",
     "@semantic-release/changelog": "6.0.3",
     "@semantic-release/git": "10.0.1",
     "@tonomy/antelope-did": "^0.1.5",
@@ -69,6 +70,7 @@
     "eslint-plugin-jest": "27.2.3",
     "eslint-plugin-prettier": "5.0.0",
     "jest": "29.6.4",
+    "jest-config": "^29.7.0",
     "jsontokens": "4.0.1",
     "jsonwebtoken": "9.0.2",
     "jwk-to-pem": "2.0.5",
@@ -86,10 +88,10 @@
     "webpack-cli": "5.1.4"
   },
   "dependencies": {
+    "@noble/ciphers": "^0.3.0",
     "@noble/curves": "^1.0.0",
     "@noble/hashes": "^1.3.0",
-    "@stablelib/xchacha20poly1305": "^1.0.1",
-    "bech32": "^2.0.0",
+    "@scure/base": "^1.1.3",
     "canonicalize": "^2.0.0",
     "did-resolver": "^4.1.0",
     "multiformats": "^12.0.0",

src/blockchains/cosmos.ts

@@ -1,5 +1,5 @@
 import { secp256k1 } from '@noble/curves/secp256k1'
-import { bech32 } from 'bech32'
+import { bech32 } from '@scure/base'
 import { sha256, ripemd160 } from '../Digest.js'
 
 export function publicKeyToAddress(publicKey: string, prefix: string): string {

src/encryption/xc20pDir.ts

@@ -1,17 +1,17 @@
 import type { Decrypter, Encrypter, EncryptionResult, ProtectedHeader } from './types.js'
 import { bytesToBase64url, encodeBase64url } from '../util.js'
 import { fromString } from 'uint8arrays/from-string'
-import { XChaCha20Poly1305 } from '@stablelib/xchacha20poly1305'
+import { xchacha20poly1305 } from '@noble/ciphers/chacha'
 import { randomBytes } from '@noble/hashes/utils'
 
 export function xc20pEncrypter(key: Uint8Array): (cleartext: Uint8Array, aad?: Uint8Array) => EncryptionResult {
-  const cipher = new XChaCha20Poly1305(key)
   return (cleartext: Uint8Array, aad?: Uint8Array) => {
-    const iv = randomBytes(cipher.nonceLength)
-    const sealed = cipher.seal(iv, cleartext, aad)
+    const iv = randomBytes(24)
+    const cipher = xchacha20poly1305(key, iv, aad)
+    const sealed = cipher.encrypt(cleartext)
     return {
-      ciphertext: sealed.subarray(0, sealed.length - cipher.tagLength),
-      tag: sealed.subarray(sealed.length - cipher.tagLength),
+      ciphertext: sealed.subarray(0, sealed.length - 16),
+      tag: sealed.subarray(sealed.length - 16),
       iv,
     }
   }
@@ -39,10 +39,12 @@ export function xc20pDirEncrypter(key: Uint8Array): Encrypter {
 }
 
 export function xc20pDirDecrypter(key: Uint8Array): Decrypter {
-  const cipher = new XChaCha20Poly1305(key)
-
   async function decrypt(sealed: Uint8Array, iv: Uint8Array, aad?: Uint8Array): Promise<Uint8Array | null> {
-    return cipher.open(iv, sealed, aad)
+    try {
+      return xchacha20poly1305(key, iv, aad).decrypt(sealed)
+    } catch (error) {
+      return null
+    }
   }
 
   return { alg: 'dir', enc: 'XC20P', decrypt }