Patent ID: 9118632
Filing Date: 2015-08-25
Classification: H04L

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