//[]=========================================[]
//[] 2048 encrypt time 32 ms []
//[] 2048 crt decrypt time 31 ms []
//[] 2048 std decrypt time 78 ms []
//[] 4096 encrypt time 47 ms []
//[] 4096 crt decrypt time 0125 ms []
//[] 4096 std decrypt time 0422 ms []
//[] 8192 encrypt time 78 ms []
//[] 8192 crt decrypt time 0828 ms []
//[] 8192 std decrypt time 3062 ms []
//[] 16384 encrypt time 0218 ms []
//[] 16384 crt decrypt time 6312 ms []
//[] 16384 std decrypt time 023985 ms []
//[] 20000 encrypt time 0359 ms []
//[] 20000 crt decrypt time 012359 ms []
//[] 20000 std decrypt time 043156 ms []
//[] 20480 encrypt time 0360 ms []
//[] 20480 crt decrypt time 012235 ms []
//[] 20480 std decrypt time 046469 ms []
//[] 32768 encrypt time 0843 ms []
//[] 32768 crt decrypt time 050016 ms []
//[] 32768 std decrypt time 191594 ms []
//[] 65536 encrypt time 3437 ms []
//[] 65536 crt decrypt time 405516 ms []
//[] 65536 std decrypt time 01605204 ms []
//[]=========================================[]