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Secure storage for shared documents

  • US 9,647,836 B2
  • Filed: 08/17/2016
  • Issued: 05/09/2017
  • Est. Priority Date: 01/13/2015
  • Status: Active Grant
First Claim
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1. A method for providing a secure bundle that is employed to manage data storage using a network computer, wherein the secure bundle comprises:

  • an identifier that is provided to uniquely identify and reference the secure bundle;

    a first collection that includes each of a plurality of public keys that correspond to a different party, wherein each party is authorized to employ their corresponding public key to decrypt one or more portions of encrypted file data that is included in the secure bundle;

    a second collection that includes one or more headers that correspond to the one or more portions of the encrypted file data, wherein a header is encrypted with a same public key that is employed to encrypt a corresponding portion of the encrypted file data, and wherein each header includes instruction set information, and wherein the identifier, the first collection and the second collection are appended to the encrypted file data; and

    wherein the network computer includes one or more processors that perform actions, including;

    generating the instruction set information that references a seed file that is installed on the network computer, wherein the seed file is determined from a plurality of seed files based on identifying information that is included in the instruction set information; and

    generating one or more encryption keys based on the instruction set information and the pass phrase that is extracted from the seed file, wherein the one or more encryption keys are employed to encrypt the file data, and wherein a signal, provided by a sensor, is used to introduce entropy in the generation of the one or more encryption keys.

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