RSA Performance Evaluation using  JAVA 
 with fixed message size but varying key size 
Plaintext: [Wishing you a Very Happy Independence Day on 15/8/2003]
KeySize       Key Generation  Time        Encryption Time       Decryption Time   Total Time in ms
128           94                              93                   94               281
256           140                            594                  578              1312
512           594                           3984                 3985              8563
768           2640                         12625                12844             28109
1024           3109                        29219                29422             61750