The method is designed to retrieve confidential information about a payment card, including the full card number (PAN) and the security code (CVC). Usage: This method is required in cases where card details need to be displayed or transmitted for payment transactions. Security: The card_pan and card_cvc parameters contain encrypted data encoded in Base64 format. Encryption is performed using the RSA algorithm with PKCS#1 v1.5 padding and the partner's RSA public key. To retrieve the original values, the data must first be Base64-decoded, then decrypted using the partner's RSA private key with PKCS#1 v1.5 padding.