Unfortunately, the Internet does not wait for us to catch up. We either jump on the bandwagon or get left behind. The art of protecting information by transforming it into an unreadable format only retrievable by those who possess a secret key. Then it uses special session keys to encrypt the data being transmitted. Public-key cryptography uses a pair of asymmetric keys, public and private, for encryption and decryption.
Session keys perform the cryptographic work for the data exchange.
The merchant and card issuer decrypt the information using the customer s public key, allowing them to verify its authenticity and complete the transaction. All Rights Reserved.