| 摘要 |
According to one embodiment, a computerized method includes receiving encrypted user data and encrypted gatekeeper header data from a sender appliance. The encrypted user data is encrypted according to a receiver encrypting key. The encrypted gatekeeper header data is encrypted according to a gatekeeper encrypting key. A receiver address is identified by decrypting the encrypted gatekeeper header data according to a gatekeeper decrypting key. Encrypted receiver header data is generated by a computer according to the receiver encrypting key. The encrypted user data and encrypted receiver header data are transmitted to a receiver appliance according to the identified receiver address.
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