Transaction verification method and device of charging pile, computer equipment and storage medium

The invention discloses a transaction verification method of a charging pile, which is applied to a billing control terminal of the charging pile, and comprises the following steps: under the condition that a charging card is read, determining a machine gun identifier of a target charging machine gun selected for providing electric energy and frozen resource data in the charging card, obtaining a terminal identifier and a key index number from the security chip; under the condition that the key index number can be supported by the charging card, receiving a pseudo-random number and a resource off-line transaction sequence number sent by the charging card; sending an initialization grey lock message authentication code calculation command to the security chip to obtain a sub-key corresponding to a consumption key; and sending a grey lock command to the charging card to instruct the charging card to perform transaction verification. Therefore, security data interaction is performed through the special security