The cardholder data encrypted using the OnlinePay provided public key. This can be obtained using either Verifone.JS solution or OnlinePay Checkout in capture mode.
The data to encrypt is a JSON with possible tags being cardNumber, sequenceNumber, cardholderName, startMonth, startYear, expiryMonth, expiryYear, cvv. This should be a single JSON line and should not contain any spaces. Read Secure card capture key for details.
Additionally, a tag called captureTime must be presenting indicating the time the card was captured in UTC in format RFC 3339, section 5.6. eg. 2019-08-24T14:15:22Z. Encrypted card is valid for only 15 minutes.