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crypto: improve older Node version and browser compatibility

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This commit is contained in:
Rajeh Taher
2025-03-06 21:01:26 +02:00
parent 7c052c6621
commit f92291bb8e
4 changed files with 10 additions and 7 deletions
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11
src/Utils/crypto.ts
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@@ -3,6 +3,9 @@ import * as libsignal from 'libsignal'
import { KEY_BUNDLE_TYPE } from '../Defaults'
import { KeyPair } from '../Types'
// insure browser & node compatibility
const { subtle } = globalThis.crypto
/** prefix version byte to the pub keys, required for some curve crypto functions */
export const generateSignalPubKey = (pubKey: Uint8Array | Buffer) => (
pubKey.length === 33
@@ -138,7 +141,7 @@ export async function hkdf(
: new Uint8Array(0)
// Import the input key material
const importedKey = await crypto.subtle.importKey(
const importedKey = await subtle.importKey(
'raw',
inputKeyMaterial,
{ name: 'HKDF' },
@@ -147,7 +150,7 @@ export async function hkdf(
)
// Derive bits using HKDF
const derivedBits = await crypto.subtle.deriveBits(
const derivedBits = await subtle.deriveBits(
{
name: 'HKDF',
hash: 'SHA-256',
@@ -169,7 +172,7 @@ export async function derivePairingCodeKey(pairingCode: string, salt: Buffer): P
const saltBuffer = salt instanceof Uint8Array ? salt : new Uint8Array(salt)
// Import the pairing code as key material
const keyMaterial = await crypto.subtle.importKey(
const keyMaterial = await subtle.importKey(
'raw',
pairingCodeBuffer,
{ name: 'PBKDF2' },
@@ -179,7 +182,7 @@ export async function derivePairingCodeKey(pairingCode: string, salt: Buffer): P
// Derive bits using PBKDF2 with the same parameters
// 2 << 16 = 131,072 iterations
const derivedBits = await crypto.subtle.deriveBits(
const derivedBits = await subtle.deriveBits(
{
name: 'PBKDF2',
salt: saltBuffer,