refactor(types): Strengthen Type Safety in Signal Handling & Core Utilities (#1764)

* refactor(types): Strengthen Type Safety in Signal Handling & Core Utilities

* chore: revert typescript and move types to libsignal

* chore: update libsignal dependency resolution and checksum

* fix: a minor regression

* chore: update libsignal resolution and checksum

src/Signal/Group/group_cipher.ts

@@ -1,4 +1,3 @@
-/* @ts-ignore */
 import { decrypt, encrypt } from 'libsignal/src/crypto'
 import { SenderKeyMessage } from './sender-key-message'
 import { SenderKeyName } from './sender-key-name'

src/Signal/Group/keyhelper.ts

@@ -1,5 +1,4 @@
 import * as nodeCrypto from 'crypto'
-/* @ts-ignore */
 import { generateKeyPair } from 'libsignal/src/curve'
 
 type KeyPairType = ReturnType<typeof generateKeyPair>

src/Signal/Group/sender-chain-key.ts

@@ -1,4 +1,3 @@
-/* @ts-ignore */
 import { calculateMAC } from 'libsignal/src/crypto'
 import { SenderMessageKey } from './sender-message-key'
 
@@ -8,7 +7,7 @@ export class SenderChainKey {
 	private readonly iteration: number
 	private readonly chainKey: Buffer
 
-	constructor(iteration: number, chainKey: any) {
+	constructor(iteration: number, chainKey: Uint8Array | Buffer) {
 		this.iteration = iteration
 		if (Buffer.isBuffer(chainKey)) {
 			// backported from @MartinSchere's PR

src/Signal/Group/sender-key-message.ts

@@ -1,4 +1,3 @@
-/* @ts-ignore */
 import { calculateSignature, verifySignature } from 'libsignal/src/curve'
 import { proto } from '../../../WAProto/index.js'
 import { CiphertextMessage } from './ciphertext-message'

src/Signal/Group/sender-message-key.ts

@@ -1,4 +1,3 @@
-/* @ts-ignore */
 import { deriveSecrets } from 'libsignal/src/crypto'
 
 export class SenderMessageKey {