Tugas 13(24-27 November 2020)
Keamanan Sistem Komputer (C31040319)
Semester 3
Tahun Ajaran
2020/2021
Nama
Dosen : Desi Rose Hertina,S.T M.Kom
Nama :
Siti Taqiyah Mafadzah
Nim :
201931107
Kelas
: D
Mata Kuliah : Keamanan Sistem Komputer
Kode
Mata Kuliah : C31040319
Asal
:Makassar,Sulawesi Selatan
VIGNERE CIPHER
Teknik Vigenere cipher merupakan jenis
cipher abjad majemuk yang paling sederhana. Vigenere cipher menerapkan metode
substitusi poli alfabetik dan termasuk ke dalam kategori kunci simetris dimana
kunci yang digunakan untuk proses enkripsi adalah sama dengan kunci yang
digunakan untuk proses dekripsi.
Pesan : SUMPAH PEMUDA
Kunci : KEJUJURAN
Tabel Acuan
Nilai |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
B |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
C |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
D |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
E |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
F |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
G |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
H |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
I |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
J |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
K |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
L |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
M |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
N |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
O |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
P |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
Q |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
R |
R |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
S |
S |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
T |
T |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
U |
U |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
V |
V |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
W |
W |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
X |
X |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
Y |
Y |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Z |
Z |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
W |
X |
Y |
Kunci |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Penjelasan :
Penjelasan :
Pesan (Baris) |
S |
U |
M |
P |
A |
H |
P |
E |
M |
U |
D |
A |
Kunci
(Kolom) |
K |
E |
J |
U |
J |
U |
R |
A |
N |
K |
E |
J |
Enskripsi
(baris,kolom) |
(S,K)
= C |
(U,E)
= Y |
(M,J)
= V |
(P,U)
= J |
(A,J)
= J |
(H,U)
= B |
(P,R)
= G |
(E,A)
= E |
(M,N)
= Z |
(U,K)
= E |
(D,E)
= H |
(A,J)
= J |
Enskripsi
Tahapan |
Tempatkan
HURUF PESAN pada ruang BARIS, kemudian cari HURUF KUNCI pada ruang KOLOM,
sehingga titik temu (ISI) antara BARIS dan KOLOM dari setiap huruf adalah
chipper text |
|||||||||||
ChiperText |
CYVJJB
GEZEHJ |
|||||||||||
Deskripsi (Chipper, kunci) |
S |
U |
M |
P |
A |
H |
P |
E |
M |
U |
D |
A |
Deskripsi
tahapan |
Berdasarkan
HURUF chipper text yang berada di titik ISI table acuan carilah HURUF KUNCI
pada bagian KOLOM sejajar, sehingga HURUF PESAN dapat ditemukan pada bagian
BARIS sejajar |
|||||||||||
Plain
text |
SUMPAH
PEMUDA |
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