Abstract: Although FPGA-based reconfiguration computing platform has been shown as a promising technique in high productivity computing field,it may suffer security threats during its bitstream remote update process.A secure scheme is proposed in this paper to prevent tamper and replay attacks during the process of remote bitstream update on reconfigurable computing platform,which encrypts the bitstream partially and calculates the value of MAC when making the configuration at the Remote Updating Configuration End.And then these data is sent to the distributed Control Units on reconfigurable computing platform via network.,The encrypted bitstream will be put into security configurator after its integrity was verified by the value of MAC.At the end of the secure update process,FPGAs will makes the requirements to its Control Unit and get the secure bitstream after it is restart. Analysis shows that the scheme proposed can guarantee the integrity and the confidentiality of the bitstream for remote updating and also has the ability of protecting the updating process from replay attacks.