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Josh Perez 2022-07-20 20:07:09 -04:00 • committed by GitHub
parent 9986d10947
commit e321e1fea8
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42 changed files with 2403 additions and 102 deletions
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19
ts/Crypto.ts
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@ -1,9 +1,8 @@
// Copyright 2020-2021 Signal Messenger, LLC
// Copyright 2020-2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { Buffer } from 'buffer';
import pProps from 'p-props';
import { chunk } from 'lodash';
import Long from 'long';
import { HKDF } from '@signalapp/libsignal-client';
@ -15,6 +14,8 @@ import { ProfileDecryptError } from './types/errors';
import { UUID, UUID_BYTE_SIZE } from './types/UUID';
import type { UUIDStringType } from './types/UUID';
export { uuidToBytes } from './util/uuidToBytes';
export { HashType, CipherType };
const PROFILE_IV_LENGTH = 12; // bytes
@ -448,20 +449,6 @@ export async function encryptCdsDiscoveryRequest(
};
}
export function uuidToBytes(uuid: string): Uint8Array {
if (uuid.length !== 36) {
log.warn(
'uuidToBytes: received a string of invalid length. ' +
'Returning an empty Uint8Array'
);
return new Uint8Array(0);
}
return Uint8Array.from(
chunk(uuid.replace(/-/g, ''), 2).map(pair => parseInt(pair.join(''), 16))
);
}
export function bytesToUuid(bytes: Uint8Array): undefined | UUIDStringType {
if (bytes.byteLength !== UUID_BYTE_SIZE) {
log.warn(