BYOE, or Bring your own Encryption, is also known as Hold your own Key, or HYOK. BYOE is used when a user implements BYOK, but does not wish to leave a copy of their key with the Cloud Service, so BYOE is implemented instead. In BYOE, the HSM acts as a proxy between the organization and the Cloud Provider’s storage systems. The HSM deals with all cryptographic processing as well.
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