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BiomeWalker t1_je6yucj wrote

Reply to comment by Zharken in ELI5: When a third party app says they offer "end to end encryption," what does that mean? by [deleted]

At the start of the conversation each device sends the other a "public key" which can be used to encrypt the data while keeping a matching "privet key" which is the only way to decrypt data that has been encrypted with the "public key"

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Zharken t1_je7705e wrote

oh so I give you a key that everyone can see, but can only be used to encrypt, and I have a different key that no one knows that I can use to decrypt what you return to me and vice versa

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