These are HYP 2003 fips USB tokens used for storing any kind of digital signature certificate. certification and compliance: fips 140-2 level 3 certified, common criteria eal 5+ (chip level), Microsoft will, Linux pcsc-lite/libccid, rohs, check point, entrust ready, USB, ce, and fcc. Standards: x. 509 v3 certificate storage, ssl v3, ipsec, iso 7816 1-4 8 9 12, ccid. cryptographic algorithms: rsa 512/1024/rsa 2048 bit, ecdsa 192/256 bit, des/3des, aes 128/192/256 bit, sha-1/sha-256. endurance: at least 500, 000 write/erase cycles and data retention: