Security framework for media playback

A device, comprising:

• at least one computing device comprising a processor;
• and
• instructions executable by the processor that cause the device to perform operations comprising:
• identifying, by a playback module of the device, a media item;
• determining an amount of available memory of the device;
• determining a size of a first portion of the media item based at least in part on the amount of available memory of the device;
• requesting, by the playback module, the first portion of the media item from a streaming module;
• obtaining, by the streaming module, the first portion of the media item from a decryption module;
• decrypting, by the decryption module, the first portion of the media item from an encrypted media file;
• delivering, by the decryption module, the first portion of the media item to the streaming module;
• and
• delivering, by the streaming module, the first portion of the media item to the playback module.

A non-transitory computer-readable medium comprising instructions executable by one or more processors systems to perform operations comprising:

• identifying, by a playback module, a media item;
• determining an amount of available memory of a device;
• determining a size of a first portion of the media item based at least in part on the amount of available memory of the device;
• requesting, by the playback module, the first portion of the media item from a streaming module;
• obtaining, by the streaming module, the first portion of the media item from a decryption module;
• decrypting, by the decryption module, the first portion of the media item from an encrypted media file;
• delivering, by the decryption module, the first portion of the media item to the streaming module;
• and
• delivering, by the streaming module, the first portion of the media item to the playback module.