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RSA
:
Homomorphic encryption
CryptICS
Take elliptic curve E: y
2
≡ x
3
+ 20x + 13 over
ℤ
17
Next
Reciprocal value table, if needed
x
1
2
3
4
5
6
7
8
9
10
x
-1
mod 17
1
9
6
13
7
3
5
15
2
12
x
11
12
13
14
15
x
-1
mod 17
14
10
4
11
8