An encryption card comprising: a trusted computing module including a trusted platform control module TPCM or a trusted platform module TPM; a programmable logic device that is connected to the trusted computing module through a conductive circuit, and communicates with the trusted computing module through the conductive circuit; and a communication interface that is connected to the trusted computing module and the programmable logic device , and is configured to provide an interface for connecting to an external device of the encryption card; wherein the trusted computing module , the programmable logic device , and the communication interface are disposed on a printed circuit board PCB, and the conductive circuit comprises an electrical lead disposed in the PCB; wherein the trusted computing module (102; 400) comprises: a first primary computing area that is configured to perform operation processes other than cryptographic operation processes; a first cryptographic computing area that is connected to the first primary computing area , is provided with an engine of at least one cryptographic algorithm, and performs a cryptographic operation process using the engine; and a first storage area that is connected to the first primary computing area and the first cryptographic computing area and is configured to store data; and wherein the first storage area further comprises a storage area configured to store cryptographic operation firmware that is used by the programmable logic device . a trusted computing module including a trusted platform control module TPCM or a trusted platform module TPM; a programmable logic device that is connected to the trusted computing module through a conductive circuit, and communicates with the trusted computing module through the conductive circuit; and a communication interface that is connected to the trusted computing module and the programmable logic device , and is configured to provide an interface for connecting to an external device of the encryption card; wherein the trusted computing module , the programmable logic device , and the communication interface are disposed on a printed circuit board PCB, and the conductive circuit comprises an electrical lead disposed in the PCB; wherein the trusted computing module (102; 400) comprises: a first primary computing area that is configured to perform operation processes other than cryptographic operation processes; a first cryptographic computing area that is connected to the first primary computing area , is provided with an engine of at least one cryptographic algorithm, and performs a cryptographic operation process using the engine; and a first storage area that is connected to the first primary computing area and the first cryptographic computing area and is configured to store data; and wherein the first storage area further comprises a storage area configured to store cryptographic operation firmware that is used by the programmable logic device . a first primary computing area that is configured to perform operation processes other than cryptographic operation processes; a first cryptographic computing area that is connected to the first primary computing area , is provided with an engine of at least one cryptographic algorithm, and performs a cryptographic operation process using the engine; and a first storage area that is connected to the first primary computing area and the first cryptographic computing area and is configured to store data; and wherein the first storage area further comprises a storage area configured to store cryptographic operation firmware that is used by the programmable logic device . <EOS>