Using a hash of a filename to control encoding/decoding of a digital file

A computing device, comprising:

• a memory;
• a micro-processor coupled to the memory and configured with processor-executable instructions to perform operations comprising:
• generating a binary string by applying a shared hash function to a public filename of a digital file that is stored in the memory in an unshuffled configuration;
• subdividing the digital file into a first plurality of data segments corresponding to one of a number of bits represented by the generated binary string and a file size of the digital file;
• shuffling the first plurality of data segments using a shared, looping shuffle algorithm, wherein each shuffling operation of the shared, looping shuffle algorithm uses a different bit of the generated binary string in a predefined first sequence;
• and
• combining the shuffled first plurality of data segments to obtain a shuffled digital file that is stored according to a shuffled configuration in the memory.

A computing device, comprising:

• means for generating a binary string by applying a shared hash function to a public filename of a digital file that is stored in a memory of the computing device in an unshuffled configuration;
• means for subdividing the digital file into a first plurality of data segments corresponding to one of a number of bits represented by the generated binary string and a file size of the digital file;
• means for shuffling the first plurality of data segments using a shared, looping shuffle algorithm, wherein each shuffling operation of the shared, looping shuffle algorithm uses a different bit of the generated binary string in a predefined first sequence;
• and
• means for combining the shuffled first plurality of data segments to obtain a shuffled digital file that is stored according to a shuffled configuration in the memory.

A non-transitory processor-readable storage medium having stored thereon processor-executable instructions configured to cause a processor of a computing device to perform operations comprising:

• generating a binary string by applying a shared hash function to a public filename of a digital file that is stored in a memory of the computing device in an unshuffled configuration;
• subdividing the digital file into a first plurality of data segments corresponding to one of a number of bits represented by the generated binary string and a file size of the digital file;
• shuffling the first plurality of data segments using a shared, looping shuffle algorithm, wherein each shuffling operation of the shared, looping shuffle algorithm uses a different bit of the generated binary string in a predefined first sequence;
• and
• combining the shuffled first plurality of data segments to obtain a shuffled digital file that is stored in a shuffled configuration in the memory.