, , RSA. , - . , RSA , .. . .
- Q.
- N=*Q.
B :
.
- kB,
.
- (N, B) .
, .
- ,
i=0,1,2,...,N-1.
- , ,
i=MiKB(mod N)
C1, 2, 3,...,Ci,...
.
C1, 2, 3,...,Ci,...,
kB
Mi=CikB(mod N).
Mi, . RSA , , B kB.
- CAB
. .
.
- =3 Q=11.
- N=P*Q=3*11=33.
- N=33:
- B :
.
B=7.
- kB,
kB = 7-1 (mod 20).
kB=3.
- (N= 33, KB=7).
- 0-32. 1, - 2, - 3. CAB 312, .. M1 = 3, M2 = 1, M3 = 2.
- , M1, M2 M3, B = 7 N = 33,
Ci = MiKB (mod 33) = Mi7 (mod 33),
,
C1,C2,C3 =9, 1, 29.
- C1,C2,C3, kB=3,
Mi = CikB (mod 33) = Ci3 (mod 33).
|
|
.
, CAB - 3 1 2.