RSAGeneratorCmd generates keypir blf
Commandline Option:
-s:RSA keysize in bits ,user can set it as 1024 or 2048
-f: output blf name to save keypir of (D)Tim file
-h: Hash Algorithm Id, user can only input SHA-160 and SHA-256
-d: user switch to decide if use same RSA keypair for Tim and DTim file, if  not set -d , use same keypair, other wise use two keypairs
-o: output keyhash file name if user set
usage sample: 
General usage to generate a keypairs for (D)Tim files: nRSAGeneratorCmd.exe -s 1024 -f keyBLF_filename -h SHA-256
General usage to generate two different keypairs for (D)Tim files: nRSAGeneratorCmd.exe -s 1024 -f keyBLF_filename -d -h SHA-256