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           93                   110           78         281
256           140                   563           578         1281
512           640                   4219           4031         8890
768           1782                   12890           13282         27954
1024           8828                   30390           31875         71093