Dependency upgrade + lib_um_crypto_rust (#78)

Co-authored-by: 鲁树人 <lu.shuren@um-react.app>
Co-committed-by: 鲁树人 <lu.shuren@um-react.app>
This commit is contained in:
鲁树人
2024-09-24 22:19:30 +00:00
committed by 鲁树人
parent c5bc436ab2
commit 58c96f264b
65 changed files with 4160 additions and 4025 deletions

View File

@@ -0,0 +1,37 @@
import type { DecryptCommandOptions } from '~/decrypt-worker/types.ts';
import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers.ts';
import { QingTingFM } from '@unlock-music/crypto';
import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
import { unhex } from '~/util/hex.ts';
export class QignTingFMDecipher implements DecipherInstance {
cipherName = 'QingTingFM (Android, qta)';
async decrypt(buffer: Uint8Array, opts: DecryptCommandOptions): Promise<DecipherResult | DecipherOK> {
const key = unhex(opts.qingTingAndroidKey || '');
const iv = QingTingFM.getFileIV(opts.fileName);
if (key.byteLength !== 16 || iv.byteLength !== 16) {
return {
status: Status.FAILED,
message: 'device key or iv invalid',
};
}
const qtfm = new QingTingFM(key, iv);
const audioBuffer = new Uint8Array(buffer);
for (const [block, i] of chunkBuffer(audioBuffer)) {
qtfm.decrypt(block, i);
}
return {
cipherName: this.cipherName,
status: Status.OK,
data: audioBuffer,
};
}
public static make() {
return new QignTingFMDecipher();
}
}