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+网易云音乐的加密文件格式。
+
+参考：[#67]、[010Editor 解析/NCM.bt](https://github.com/parakeet-rs/parakeet-crypto-rs/blob/main/scripts/010editor/NCM.bt)
+
+[#67]: https://git.unlock-music.dev/um/cli/issues/67
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