feat: add Migu3D Keyless decipher

package.json

@@ -23,7 +23,7 @@
     "@emotion/react": "^11.11.1",
     "@emotion/styled": "^11.11.0",
     "@reduxjs/toolkit": "^2.0.1",
-    "@unlock-music/crypto": "0.0.0-alpha.15",
+    "@unlock-music/crypto": "0.0.0-alpha.16",
     "framer-motion": "^10.16.16",
     "nanoid": "^5.0.4",
     "radash": "^11.0.0",

pnpm-lock.yaml

@@ -39,8 +39,8 @@ importers:
         specifier: ^2.0.1
         version: 2.0.1(react-redux@9.0.4(@types/react@18.2.45)(react@18.2.0)(redux@5.0.0))(react@18.2.0)
       '@unlock-music/crypto':
-        specifier: 0.0.0-alpha.15
+        specifier: 0.0.0-alpha.16
-        version: link:../lib_um_crypto_rust/um_wasm_loader
+        version: 0.0.0-alpha.16
       framer-motion:
         specifier: ^10.16.16
         version: 10.16.16(react-dom@18.2.0(react@18.2.0))(react@18.2.0)
@@ -1921,6 +1921,9 @@ packages:
   '@ungap/structured-clone@1.2.0':
     resolution: {integrity: sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==}
 
+  '@unlock-music/crypto@0.0.0-alpha.16':
+    resolution: {integrity: sha512-QDhDWTsZOOkSQ64d3+pBwPCfesit6MiO63SzV7TQB8rQ/lPb78MMz6C4ECIjP9ijCBXds4PT4CBXp8vJDifAEg==, tarball: https://git.unlock-music.dev/api/packages/um/npm/%40unlock-music%2Fcrypto/-/0.0.0-alpha.16/crypto-0.0.0-alpha.16.tgz}
+
   '@vitejs/plugin-react@4.2.1':
     resolution: {integrity: sha512-oojO9IDc4nCUUi8qIR11KoQm0XFFLIwsRBwHRR4d/88IWghn1y6ckz/bJ8GHDCsYEJee8mDzqtJxh15/cisJNQ==}
     engines: {node: ^14.18.0 || >=16.0.0}
@@ -6107,6 +6110,8 @@ snapshots:
 
   '@ungap/structured-clone@1.2.0': {}
 
+  '@unlock-music/crypto@0.0.0-alpha.16': {}
+
   '@vitejs/plugin-react@4.2.1(vite@5.0.10(@types/node@20.10.5)(sass@1.69.5)(terser@5.27.0))':
     dependencies:
       '@babel/core': 7.23.6

src/decrypt-worker/Deciphers.ts

@@ -7,6 +7,7 @@ import { KugouMusicDecipher } from '~/decrypt-worker/decipher/KugouMusic.ts';
 import { XimalayaAndroidDecipher, XimalayaPCDecipher } from '~/decrypt-worker/decipher/Ximalaya.ts';
 import { XiamiDecipher } from '~/decrypt-worker/decipher/XiamiMusic.ts';
 import { QignTingFMDecipher } from '~/decrypt-worker/decipher/QingTingFM.ts';
+import { Migu3DKeylessDecipher } from '~/decrypt-worker/decipher/Migu3d.ts';
 
 export enum Status {
   OK = 0,
@@ -67,7 +68,7 @@ export const allCryptoFactories: DecipherFactory[] = [
   /// File without an obvious header or footer goes last.
 
   // Migu3D/Keyless (*.wav; *.m4a)
-  // MiguCrypto.make,
+  Migu3DKeylessDecipher.make,
 
   // Crypto that does not implement "checkBySignature" or need to decrypt the entire file and then check audio type,
   //   should be moved to the bottom of the list for performance reasons.

src/decrypt-worker/decipher/Migu3d.ts

@@ -0,0 +1,27 @@
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers.ts';
+import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
+import { Migu3D } from '@unlock-music/crypto';
+
+export class Migu3DKeylessDecipher implements DecipherInstance {
+  cipherName = 'Migu3D (Keyless)';
+
+  async decrypt(buffer: Uint8Array): Promise<DecipherResult | DecipherOK> {
+    const mg3d = Migu3D.fromHeader(buffer.subarray(0, 0x100));
+    const audioBuffer = new Uint8Array(buffer);
+
+    for (const [block, i] of chunkBuffer(audioBuffer)) {
+      mg3d.decrypt(block, i);
+    }
+    mg3d.free();
+
+    return {
+      cipherName: this.cipherName,
+      status: Status.OK,
+      data: audioBuffer,
+    };
+  }
+
+  public static make() {
+    return new Migu3DKeylessDecipher();
+  }
+}