http://y7yea4pmqqtznb33qiugvysyn2bob5v62e4pvoadoibrwkq3tsddjeyd.onion/ps/module/key-concepts-encryption
For more in-depth information on public keys and private keys, see our deep dive on public key cryptography . A public key is a file that you can give to anyone or publish publicly. When someone wants to send you an end-to-end encrypted message, they’ll need your public key to do so.