End-To-End Encryption (EE2E)
https://en.wikipedia.org/wiki/End-to-end_encryption
End-to-end encryption (E2EE) is a system of communication
where only the communicating users can read the messages. In
principle, it prevents potential eavesdroppers - including
telecom providers, Internet providers, and even the provider
of the communication service - from being able to access the
cryptographic keys needed to decrypt the conversation.
Here is everything you need to know about the End-to-End
Encryption system
https://www.mysmartprice.com/gear/end-to-end-encryption-meaning/
In End-to-end encryption, the encryption happens at the
device level. Meaning, that the messages and files are
encrypted before they leave the phone/computer and aren't
decrypted until it reaches their destination, which can be
another phone/computer. This is one of the main reasons that
hackers cannot access data on the server because they do not
have the private keys to decrypt the data. The secret keys
are stored with the individual user on their device which
makes it much harder to access an individual's data as well.
The security behind end-to-end encryption is enabled by the
creation of a public-private key pair. This process is known
as asymmetric cryptography. Asymmetric or public-key
cryptography encrypts and decrypts the data using two
separate cryptographic keys. The public key is used to
encrypt a message and send it to the public key's owner.
Thereafter, the message can only be decrypted using a
corresponding private key, also known as a decryption key.
Apple advances user security with powerful new data protections
https://www.apple.com/newsroom/2022/12/apple-advances-user-security-with-powerful-new-data-protections/
iCloud security overview -- Data categories and encryption
https://support.apple.com/en-us/HT202303
Apple iMessage And Facetime & Privacy
https://support.apple.com/en-us/HT204380
We designed iMessage and FaceTime to use end-to-end
encryption, so there's no way for Apple to decrypt the
content of your conversations when they are in transit
between devices. Attachments you send over iMessage (such
as photos or videos) are encrypted so that no one but the
sender and receiver(s) can access them.
Make sure Apple's Advanced Data Protection is turned on.
Sending End-to-End Encrypted VoIP Calls
https://developer.apple.com/documentation/callkit/sending_end-to-end_encrypted_voip_calls
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