Research Article
A New Type of Countermeasure against DPA in Multi-Sbox of Block Cipher
Table 7
Situation of guessing key in our scheme.
| | | Guess Sbox | Guess value | True value | power |
| | Possibility1 | correct | correct | sure | sure | | Possibility2 | correct | wrong | random | random | | Possibility3 | wrong | correct | random | random | | Possibility4 | wrong | wrong | random | random |
|
|
