Cryptography Algorithm Java

Some algorithm of network cryptography

Substitution Tables

Table 1

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
Y	O	N	Q	Z	H	V	F	J	I	X	P	R	C	B	L	D	M	U	W	S	G	T	K	A	E

Table 2

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
M	P	K	N	W	J	T	O	U	F	C	V	A	D	H	B	Y	X	Z	G	I	L	E	R	Q	S

Table 3

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
I	O	T	H	P	W	N	D	A	R	V	Y	Q	G	B	E	M	J	X	C	Z	K	F	S	L	U

Assignment

• Substitution 2 Times (table-1 & (table-2)
• Transposition 2 Times)

Algorithms

• Basic Substitution
• Simple Substitution
• Substuitution Table Solution (table-1, table-2 & table-3)
• Basic Multiple Substuitution Basic (characters replace)
• Multiple Substuitution (table-1, 2, 3 & characters replace)