original rsa as given by rivest,shamir , and adleman. Its problems in decryption are optimized using rsa variants like crt rsa, multiprime rsa, rebalanced rsa and rprime rsa. U should give the no. of bits to be 1024 and check it on netbeans 6.5 or later.Register me I want the ecc code now for by M.Sc Computer Science thesis at TU, Kathmandu, Nepal. Just a look at the code not the code itself will be used by me.