* [https://github.com/3dshax/ctr/tree/master/ctrtool ctrtool] - Reading/Extraction of CIA files. Supports the use of a Common Key(which is required for decrypting CIA files where the decrypted title key all 'zeros'.
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* [https://github.com/3dshax/ctr/tree/master/ctrtool ctrtool] - Reading/Extraction of CIA files. This can only decrypt the title-key for development CIAs, since retail CIAs use the [[AES]] hardware key-scrambler for the common-key keyslot.