Portable Security Device, Method for Securing a Data Exchange and Computer Program Product

摘要

Disclosing a kind of portable security device ensures data exchange in host equipment and remote equipment, and the portable secure device, the security element including processing unit, data, in the accompanying drawings: safe unit is arranged to store encryption key and decruption key; Processing unit is arranged to control the data of the encryption from host equipment to remote equipment, described to be encrypted, and utilizes the encryption key; Processing unit is arranged to the data of control decryption by from remote equipment to host equipment, uses the decruption key wherein executing and decrypting. In addition, corresponding method guarantees data in disclosure using portable security device of host equipment and remote equipment and corresponding computer program product.