@INPROCEEDINGS{4629951, author={Badrignans, B. and Elbaz, R. and Torres, L.}, booktitle={Field Programmable Logic and Applications, 2008. FPL 2008. International Conference on}, title={Secure FPGA configuration architecture preventing system downgrade}, year={2008}, pages={317-322}, keywords={cryptography;field programmable gate arrays;logic design;encryption;field programmable gate arrays;hardware configuration;integrity checking;system downgrade;Communication channels;Communication system security;Costs;Cryptography;Field programmable gate arrays;Hardware;Power system management;Power system security;Protocols;Synthetic aperture sonar}, doi={10.1109/FPL.2008.4629951},}