Vernam usuli

Vernam usuli
Vernam usuli bo’yicha shifrlashda Ingliz alifbosi va yana 6 ta simvol jami 32 ta belgini tartiblab raqamlaymiz va 0 va 1 lik kodlarga o’girib chiqamiz.
Keyinchalik xor amali orqali belgilarni yig’indisini olamiz. Qo’shiluvchilar esa

shifrlanuvchi ma’lumot va kalitdir.
A=0=00000 N=13=01101			#=26=11010
B=1=00001 O=14=01110			!=27=11011
C=2=00010 P=15=01111			_=28=11100
D=3=00011 Q=16=10000			@=29=11101
E=4=00100 R=17=10001			?=30=11110
F=5=00101 S=18=10010			*=31=11111
G=6=00110 T=19=10011			XOR jadvali
H=7=00111 U=20=10100			0+0=0
I=8=01000 V=21=10101			0+1=1
J=9=01001 W=22=10110			1+0=1
K=10=01010 X=23=10111			1+1=0
L=11=01011 Y=24=11000			Formulasi:
M=12=01100 Z=25=11001			T1=T0+K

T₀ = DILMURODOV_SHOHJAHON
K = TALABA
Qo’shish jarayoni :
D 00011 I 01000 L 01011 M 01100
+ + + +
T 10011 A 00000 L 01011 A 00000
= = = =
Q 10000 I 01000 A 00000 M 01100
Shu tariqa davom ettirsak quyidagich shifrlanadi :
T₁ = QIAMVR@DFV@S_OEJBH@N
Deshiflash
Q 10000 I 01000 A 00000 M 01100
+ + + + +
T 10011 A 00000 L 01011 A 00000
= = = = =
D 00011 I 01000 L 01011 M 01100
Davom ettirilsa quyidagi hosil bo’ladi:
T₀ = DILMURODOV_SHOHJAHON