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Cluster of secure execution platforms

  • US 10,567,359 B2
  • Filed: 07/18/2017
  • Issued: 02/18/2020
  • Est. Priority Date: 07/18/2017
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a cluster of Secure Execution Platforms (SEPs) having connectivity to a data storage, wherein each SEP of said cluster is configured to maintain, using a key, confidentiality of data while processing thereof;

    wherein the key is shared among the SEPs of said cluster, wherein the key is automatically generated by said cluster or portion thereof and is unavailable to any non-cluster entity;

    said data storage retains encrypted data that is encrypted using the key;

    wherein a first SEP of said cluster is configured to encrypt client data using the key to obtain encrypted client data and store the encrypted client data in said data storage;

    wherein a second SEP of said cluster is configured to retrieve encrypted stored data from said data storage, decrypt the encrypted stored data using the key to obtain non-encrypted form of the encrypted stored data;

    wherein a third SEP of said cluster is configured to add a new SEP to said cluster, wherein said third SEP is configured to forward the key to the new SEP over a secure communication channel; and

    wherein the third SEP is configured to observe a bulletin board to verify that the new SEP is allowed to receive the key before forwarding the key over a secure channel.

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