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Your Content Can't Be Opened
All communication on the Mainframe protocol will utilize the most reliable standards in end-to-end encryption. No outside party, whether government, corporate, or rogue hacker, will have access to your messages or media.
Each Mainframe node has an asymmetric key pair associated with it. These keys are used to decrypt messages intended for this node. When one node wishes to send a message to another, it encrypts the message using the public key of the intended recipient node. This public key is obtained from a prior exchange of contact information that occurs out-of-band, such as by consulting a directory of contacts, or from a direct exchange of public keys between individuals. Packet encryption is part of Mainframe's transport protocols and cannot be circumvented.
When a message is being shared in a group setting, it must be encrypted in a way that prevents would-be eavesdroppers from gleaning content or identifying the group participants. Although it is possible for the sender to encrypt the message separately for each recipient, this results in significant CPU and network loads as the number of participants in the group increases. Mainframe provides protocols for group shared key negotiation so that group participants can send encrypted messages more efficiently to one another.