N | 3n | 3n mod 5 |
---|---|---|
1 | 3 | 3 |
2 | 9 | 4 |
3 | 27 | 2 |
4 | 81 | 1 |
RSA | ElGamal |
---|---|
It is more efficient for encryption. | It is more efficient for decryption. |
It is less efficient for decryption. | It is more efficient for decryption. |
For a particular security level, lengthy keys are required in RSA. | For the same level of security, very short keys are required. |
It is widely accepted and used. | It is new and not very popular in market. |