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Anonymizing emails between sender and recipient

  • US 9,118,632 B1
  • Filed: 03/12/2015
  • Issued: 08/25/2015
  • Est. Priority Date: 03/12/2015
  • Status: Active Grant
First Claim
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1. A non-transitory computer-readable storage medium comprising instructions stored thereon for protecting a recipient address within a primary email that, when executed by at least one processor, are configured to cause a sender computing system to at least:

  • generate the primary email, the primary email including a primary header and a primary body, the primary header including a sender address associated with the sender computing system and the recipient address associated with a recipient client;

    encrypt at least a part of the primary body to generate a primary encrypted email;

    encrypt the primary encrypted email to generate an encrypted sender-to-recipient pseudo-body;

    add a trusted party-to-recipient header to the encrypted sender-to-recipient pseudo-body, the trusted party-to-recipient header including a trusted party address of a trusted party and the recipient address associated with the recipient client, to generate a trusted party-to-recipient email;

    encrypt the trusted party-to-recipient email according to a symmetric key to generate an encrypted trusted party-to-recipient pseudo-body;

    generate a sender-to trusted party email by;

    adding a sender-to-trusted party header to the encrypted trusted party-to-recipient pseudo-body, the sender-to-trusted party header including the sender address and the address of the trusted party; and

    adding a sender-to-trusted party trailer to the encrypted trusted party-to-recipient pseudo-body, the sender-to-trusted party trailer including the symmetric key, the symmetric key being encrypted according to a public key associated with the trusted party; and

    send the sender-to-trusted party email to the trusted party.

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