How can I set up encrypted communications for my terminals?
Encrypt your POS communications
To prevent others from being able to read messages sent between your POS app and the payment terminal, you need to encrypt the communications.
For that, you first need to create a key passphrase and share it with Adyen. Both your code (or the Adyen GitHub library you're using) and the terminal will apply a key derivation function to the passphrase, and use the resulting key material to encrypt communications.
Tip: Learn how to create a shared key.
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