Overview#

SDA or Static Data Authentication is an Authentication technique used in Offline Transactions using Chip Card Payment Transactions that uses a Ciphertext using a static Public Key Certificate and static data elements.

With SDA, the data used for Authentication is static as the same data is used at the start of every transaction.

More Information#

There might be more information for this subject on one of the following:

• EMV Terms
• Offline Data Authentication