The  program file for measuring the running key generation speed 
in Linux environment. Depending on the input key length either of the 
files may be used.  

key128.c : for 128 bit key

key192.c : for 192 bit key

key256.c : for 256 bit key 

The user can define the input key as 64 bit integers. For example see the 
files 128.txt, 192.txt, 256.txt. 
These three program files are same except in 
the key scheduling algorithm. 

For compilation use : cc/gcc -O3 <<filename>> -o <<outfile>> 
For execuion <<executable file>> <<key file >> 

The number of blocks to be generated can be changed by changing the value of 
variable "blNo" in the program files. Maximum number of blocks that 
can be generated here is (2^32-1).
The running key generation speed is not dependent on the 
length of the input key.
