Cipher Programs

/* * Type: Monoalphabetic Substitution Cipher * Caesar Cipher */ #include #include #include #include #include #include using namespace namespace std; std; class CaesarCipher class CaesarCipher  pri!ate:: pri!ate static const int int "$ "$ % & ; // the 'ey (or caesar cipher public:: public string encryption )string str  string str+ % ,, ,, ; ; (or ) (or )int int i% i%- ; i
i( ) ) ch %% = = = continue ; continue ; str % ch ; 6 cout <<, <<, nThe lain Tet Tet :, << str << endl; endl; cout <<, <<, nThe Cipher Tet :, << :, << caesar.encryption)str << endl; brea';; brea' 6 case +: case +:  cout << ,nnter The Cipher Tet : n,; n, ; string str % ,, ,,;; char ch char ch ; 8hile ) 8hile ) )ch%getche) % =r=   i( ) ) ch %% = = = continue ; continue ; str % ch ; 6 cout << ,nThe Cipher Tet Tet : , << , << str << endl; cout << ,nThe lain Tet : , << caesar.decryption)str caesar.decryption)str << endl; brea';; brea' 6 case &: case &:  state % (alse (alse;; cout << ,ood ?uc' n,; n,; brea';; brea' 6 de(ault:: de(ault cout << ,rror Choice @ Try Again ,; , ; brea';; brea' 6 getch); system),cls, system),cls,; ;

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cout << ,nn, ,nn,;; return -; return -; 6 int menu int menu )  cout << ,tt Caesar Cipher n,; n, ; cout << ,tt22222222222222222n, ,tt22222222222222222n,;; cout << ,ncryption ................ 091n,; 091n,; cout << ,Becryption ................ 0+1n,; 0+1n,; cout << ,it o8 ................ 0&1n, 0&1n,;; cout << ,n t >> , ; , ; int choice int choice ; cin >> choice ; return choice return choice ; 6

i( ) ) ch %% = = = continue ; continue ; str % ch ; 6 cout <<, <<, nThe lain Tet Tet :, << str << endl; endl; cout <<, <<, nThe Cipher Tet :, << :, << caesar.encryption)str << endl; brea';; brea' 6 case +: case +:  cout << ,nnter The Cipher Tet : n,; n, ; string str % ,, ,,;; char ch char ch ; 8hile ) 8hile ) )ch%getche) % =r=   i( ) ) ch %% = = = continue ; continue ; str % ch ; 6 cout << ,nThe Cipher Tet Tet : , << , << str << endl; cout << ,nThe lain Tet : , << caesar.decryption)str caesar.decryption)str << endl; brea';; brea' 6 case &: case &:  state % (alse (alse;; cout << ,ood ?uc' n,; n,; brea';; brea' 6 de(ault:: de(ault cout << ,rror Choice @ Try Again ,; , ; brea';; brea' 6 getch); system),cls, system),cls,; ;

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cout << ,nn, ,nn,;; return -; return -; 6 int menu int menu )  cout << ,tt Caesar Cipher n,; n, ; cout << ,tt22222222222222222n, ,tt22222222222222222n,;; cout << ,ncryption ................ 091n,; 091n,; cout << ,Becryption ................ 0+1n,; 0+1n,; cout << ,it o8 ................ 0&1n, 0&1n,;; cout << ,n t >> , ; , ; int choice int choice ; cin >> choice ; return choice return choice ; 6

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD /* * Type : Monoalphab Monoalphabetic etic Substitution Cipher * AEne Cipher */ /* to ncrypt Fith AEne Cipher : c % m * p  'ey )mod n 8here m is Multiplirer @ p is character in plaintet @ 'ey is shi(t number @ n is alpha siGe ote : to choose the right right m @ it must the the CB)m@n % 9 @ i.e m and n is relati!e relati!e prime number number @ i.e must use CB method to chec' To T o Becryption 8ith AEne AEne Cipher : p % mH * ) c 2 'ey )mod n 8here mH is is the the in!erse in!erse o( m ote : to obtain the mH it must use tended uclid=s Method */ #include #include #include #include using namespace namespace std; std; class AEneCipher class AEneCipher  public : public : bool chec'"ey bool chec'"ey )int )int m m @ int int n n ; // chec' to see i( CB)m@n %% 9 @ return true i( that @ (alse i( not int CB ) int int m m @ int int n n  ; // return reatest comman Bi!isor int getIn!erse )int int m m @int @int n n ; // return mH by using tended uclid method string encryption )string plainTet plainTet @ int int m m @ int int 'ey 'ey @ int int n n  ; string decryption )string cipherTet @ int int m m @ int int 'ey 'ey @ int int n n  ; 6; int AEneCipher int AEneCipher :: CB )int )int   @ int int y y   i( ) ) y %% -  return  return  ; else return CB)y@5y; return CB)y@5y; 6 int AEneCipher int AEneCipher :: getIn!erse )int ) int m m @ int int n n  int sint s- % 9 @ s9 % - ; int tint t- % - @ t9 % 9 ; // sa!e this number in !aribale int rint r- % m ; int r9 int r9 % n ;

// J9 is the Joution int J % r- / r9 ; int r+ % r- 5 r9 ; int s+ @ t+ ; 8hile ) r+ > -   s+ % s- 2 )s9 * J ; s- % s9 ; s9 % s+ ; t+ % t- 2 )t9 * J ; t- % t9 ; t9 % t+ ; r- % r9; r9 % r+ ; J % r- / r9 ; r+ % r- 5 r9 ; 6 return s9 ; 6 bool AEneCipher :: chec'"ey )int m @int n  i( ) CB)m@n %% 9  return true ; else return (alse; 6 string AEneCipher :: encryption )string plainTet @ int m @ int 'ey @ int n   string str+ % ,, ; (or )int i%- ; i
int  % ) ) in!erseDM * ) ))intcipherTet0i1 2 34 2 'ey   5 n  ; str+ % )char34 ; 6 return str+ ; 6 int menu ) ; int main)  AEneCipher aEne ; bool state % true ; 8hile )state  s8itch ) menu)   case 9:  cout << ,nnter The lain Tet : n,; string str ; char ch ; 8hile ) )ch%getche) % =r=   i( ) ch %% = = continue ; str % ch ; 6 int m @ n @ 'ey;

// n % +3 @ i( english

character cout << ,nnter The Multiplier M : , ; cin >> m ; cout << ,nter The "ey )Shi(t : , ; cin >> 'ey ; cout << ,nter The Alpha SiGe  : , ; cin >> n; i( ) aEne.chec'"ey)m@n   cout << ,CB), << m << ,@, << n << , % 9tCorrect n,; cout << ,The Cipher Tet is : , << aEne.encryption)str@m@'ey@n << endl; 6 else cout << ,CB), << m << ,@, << n << , % 9 tIncorrect n,@ cout << ,$ou Must Choose Another M and  n, ; brea' ;

6 case +:  cout << ,nnter The Cipher Tet : n,; string str ; char ch ; 8hile ) )ch%getche) % =r=   i( ) ch %% = = continue ; str % ch ; 6 int m @ n @ 'ey;


character cout << ,nnter The Multiplier M : , ; cin >> m ; cout << ,nter The "ey )Shi(t : , ; cin >> 'ey ; cout << ,nter The Alpha SiGe  : , ; cin >> n; i( ) aEne.chec'"ey)m@n   cout << ,CB), << m << ,@, << n << , % 9tCorrect n,; cout << ,The lain Tet is : , << aEne.decryption)str@m@'ey@n << endl; 6 else cout << ,CB), << m << ,@, << n << , % 9 tIncorrect n,@ cout << ,$ou Must Choose Another M and  n, ; brea' ;

6 case &: int m @ n ;


character cout << ,nter The Multiplier M : , ; cin >> m; cout << ,nter The Alpha SiGe  : , ; cin >> n; i( )aEne.chec'"ey)m@n  cout << ,Correct "eyn,; else

cout << ,Incorrect "eyn,; brea' ; case K:  state % (alse; cout << ,ood ?uc' n,; brea'; 6 de(ault: cout << ,rror Choice @ Try Again ,; brea'; 6 getch); system),cls,;

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cout << ,nn,; return -; 6 int menu )  cout << ,tt AEne Cipher n,; cout << ,tt22222222222222222n,; cout << ,ncryption ................ 091n,; cout << ,Becryption ................ 0+1n,; cout << ,Test "eys ................ 0&1n,; cout << ,it o8 ................ 0K1n,; cout << ,n t >> , ; int choice ; cin >> choice ; return choice ; 6

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD /* * Type : olyalphabetic Substitution Cipher * Lull igenere Cipher */ #include #include #include using namespace std; class Lulligenere  pri!ate : char !igenereTable0+310+31; public: string ncryption )string plainTet @ string 'eyhrase  ; string Becryption )string cipherTet @ string 'eyhrase  ; char getCharLromigenereTable )int col @ int ro8  ; !oid ma'eigenereTable ); !oid printigenereTable ); 6; !oid Lulligenere :: ma'eigenereTable )  char ch % =A= ; (or )int i%- ; i<+3 ; i  (or )int N%- ; N<+3 ; N  int  % )))intch234N5+3; !igenereTable0i10N1 % )char34 ; 6 ch; 6 6 !oid Lulligenere :: printigenereTable )  (or )int i%- ; i<+3 ; i  (or )int N%- ; N<+3 ; N cout << !igenereTable0i10N1 << , , ; cout << ,n, ; 6 6 char Lulligenere :: getCharLromigenereTable )int col @ int ro8   return !igenereTable0ro810col1 ; 6 string Lulligenere :: ncryption )string plainTet @ string 'eyhrase   string cipherTet % ,,;

int 'plength % 'eyhrase.length); (or )int i%- ; i
cout << ,nnnter The "ey hrase : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; 'eyhrase % ch ; 6 cout << ,nn,; cout << ,nnThe Cipher Tet is : , << (!.ncryption)plainTet@'eyhrase ; brea'; 6 case +:  plainTet % ,, ; 'eyhrase % ,, ; cipherTet % ,, ; cout << ,nter The Cipher Tet : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; cipherTet % ch ; 6 cout << ,nnnter The "ey hrase : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; 'eyhrase % ch ; 6 cout << ,nnThe lain Tet is : , << (!.Becryption)cipherTet@'eyhrase ; brea';

6 case &:  system),cls,; (!.printigenereTable); cout << ,n, ; brea'; 6 case K:  state % (alse; cout << ,ood ?uc' n,; brea'; 6 de(ault: cout << ,rror Choice @ Try Again ,; brea'; 6 getch); system),cls,; 6 cout << ,nn,; return -;

6 int menu )

 cout << ,tt Lull igenere Cipher n,; cout << ,tt222222222222222222222222222222222n,; cout << ,ncryption ................. 091n,; cout << ,Becryption ................. 0+1n,; cout << ,igenere Table ................. 0&1n,; cout << ,it o8 ................. 0K1n,; cout << ,n t >> , ; int choice ; cin >> choice ; cout << ,n,; return choice ;6

/* * Auto2"ey igenere Cipher * Type : olyalphabetic Substitution Cipher */ #include #include #include using namespace std; class Auto"eyigenere  public: string ncryption )string plainTet @ string 'eyhrase  ; string Becryption )string cipherTet @ string 'eyhrase  ; 6; string Auto"eyigenere :: ncryption )string plainTet @ string 'eyhrase   string cipherTet % ,,; (or )int i%- ; i
6 return plainTet ; 6 int menu ) ; int main)  string plainTet % ,, ; string 'eyhrase % ,, ; string cipherTet % ,, ; Auto"eyigenere a'! ; char ch ; bool state % true ; 8hile )state  s8itch ) menu)   case 9:  plainTet % ,, ; 'eyhrase % ,, ; cipherTet % ,, ; cout << ,nter The lain Tet : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; plainTet % ch ; 6 cout << ,nnnter The "ey hrase : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; 'eyhrase % ch ; 6 int 'plength % 'eyhrase.length); int ptlength % plainTet.length); i( ) 'plength < ptlength  int  % ptlength 2 'plength ; (or) int i%- ; i< ; i 'eyhrase % plainTet0i1 ; 6

cout << ,nn,; cout << ,nnThe Cipher Tet is : , << a'!.ncryption)plainTet@'eyhrase ; brea'; 6 case +:  plainTet % ,, ; 'eyhrase % ,, ; cipherTet % ,, ; cout << ,nter The Cipher Tet : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; cipherTet % ch ; 6 cout << ,nnnter The "ey hrase : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; 'eyhrase % ch ; 6 cout << ,nnThe lain Tet is brea';

: , << a'!.Becryption)cipherTet@'eyhrase ;

6 case &:  state % (alse; cout << ,ood ?uc' n,; brea'; 6 de(ault: cout << ,rror Choice @ Try Again ,; brea'; 6

getch); system),cls,; 6 cout << ,nn,; return -;

6 int menu )  cout << ,tt Auto2"ey igenere Cipher n,; cout << ,tt222222222222222222222222222222222n,;

cout << ,ncryption ................ 091n,; cout << ,Becryption ................ 0+1n,; cout << ,it o8 ................ 0&1n,; cout << ,n t >> , ; int choice ; cin >> choice ; cout << ,n,; return choice ; 6

/* layLair Cipher */ #include #include #include using namespace std ; class layLair  pri!ate : char array041041 ; string plainTet ; string cipherTet ; public : layLair)  (or )int i%- ; i<4 ; i (or )int N%- ; N<4 ; N array0i10N1 % - ; 6 !oid initialiGingArray )string 'ey ; !oid printArray ) ; bool (oundChar) ;

// Oll 4*4 array // print 4*4 array // (ound i( the

char I@P in array bool (oundChar)char ch;

// (ound i( the char ch

in array string plainTetrocessing )string pt; // remo!e space and repeati!e char (rom plain tet string cipherTetrocessing)string ct; // remo!e space in cipher tet !oid setlainTet)string pt; // ta'e plain tet (rom user !oid getlainTet); // print plaintet @ each t8o char in bloc' !oid setCipherTet)string st;

// ta'e cipher (rom user

!oid getCipherTet);

// print ciphertet @

each t8o char in bloc' !oid encryption) ; !oid decryption) ; 6; !oid layLair :: setlainTet ) string pt  string str % plainTetrocessing)pt ; plainTet % str ; 6 !oid layLair :: getlainTet )  (or )int i%- ; i
// print space bet8een t8o char @ and no

cout << plainTet0i1 ; 6 cout << ,nn,; 6 !oid layLair :: setCipherTet) string ct  string str % cipherTetrocessing)ct ; cipherTet % str ; 6 !oid layLair :: getCipherTet )  (or )int i%- ; i
// print space bet8een t8o char @ and no

cout << cipherTet0i1 ; 6 cout << ,nn,; 6 bool layLair :: (oundChar )  (or )int i%- ; i<4 ; i (or )int N%- ; N<4 ; N i( ) array0i10N1 %% =I= RR array0i10N1 %% =P= return true ; return (alse; 6 bool layLair :: (oundChar )char ch  (or )int i%- ; i<4 ; i

(or )int N%- ; N<4 ; N i( ) array0i10N1 %% ch  return true ; return (alse; 6 !oid layLair :: initialiGingArray )string str  int i %- ; int N %- ; int ' % -; char ch % =A= ; // Oll array 8ith 'ey @ didn=t ta'e repeat char (or )'%- ; '
6 // Oll the remainder o( array 8ith other char @ i( char is repeat ignore it (or )'%- ; '<+3 ; ' @ ch  i( ) N %% 4  i; N % -; 6 i( ) )ch %% =P=RR ch %% =I=  QQ (oundChar)  continue ; i( ) (oundChar)ch  continue ; array0i10N1 % ch ; 6

6

string layLair ::plainTetrocessing)string pt  string str+ % ,, ; (or )int i%- ; i
i( ) )pt0i1 %% pt0i291 QQ )i5+ % -  str+ % == ;

str+ % pt0i1 ; 6 i( ) str+.length) 5 + % -  str+ % == ; return str+ ; 6 string layLair :: cipherTetrocessing )string ct  string str+ % ,, ; (or )int i%- ; i
cipherTet % ,, ; int ch9Col @ ch9a8 ; // spciOed 0i10N1 (or char9 int ch+Col @ ch+a8 ; // spciOed 0i10N1 (or char+ char ch9 @ ch+ ; (or )int '%-; '
int ch+Col @ ch+a8 ; // spciOed 0i10N1 (or char+ char ch9 @ ch+ ; (or )int '%-; '
bool state % true ; 8hile )state  s8itch ) menu)   case 9:  layLair p( ; string pt % ,, ; string 'ey % ,, ; cout << ,nnter The "eyhrase : , ; char ch ; 8hile ) )ch%getche) % =r=   i( ) ch %% = = continue ; 'ey % ch ; 6 cout << ,nnter The lain Tet : ,; 8hile ) )ch%getche) % =r=   i( ) ch %% = = continue ; pt % ch ; 6 cout << ,nnThe lainTet % , ; p(.setlainTet)pt; p(.getlainTet); cout << ,n,; // print 'eyhrase in 4*4 array cout << ,nThe "eyhrase % n, ; p(.initialiGingArray)'ey; p(.printArray); p(.encryption) ; cout << ,nn,; cout << ,The CipherTet % , ; p(.getCipherTet) ; brea'; 6 case +:  layLair p( ; string ct % ,, ; string 'ey % ,, ; cout << ,nnter The "eyhrase : , ; char ch ;

8hile ) )ch%getche) % =r=   i( ) ch %% = = continue ; 'ey % ch ; 6 cout << ,nnter The Cipher Tet : ,; 8hile ) )ch%getche) % =r=   i( ) ch %% = = continue ; ct % ch ; 6 cout << ,nnThe cipherTet % , ; p(.setCipherTet)ct ; p(.getCipherTet); cout << ,n,; // print 'eyhrase in 4*4 array cout << ,nThe "eyhrase % n, ; p(.initialiGingArray)'ey; p(.printArray); p(.decryption) ; cout << ,nn,; cout << ,nThe lain Tet % , ; p(.getlainTet) ; brea' ; 6 case &:  state % (alse; cout << ,ood ?uc' n,; brea'; 6 de(ault: cout << ,rror Choice @ Try Again ,; brea'; 6 getch); system),cls,;

6

return -; 6 int menu )  cout << ,tt layLair Cipher n,;

cout << ,tt22222222222222222n,; cout << ,ncryption ................ 091n,; cout << ,Becryption ................ 0+1n,; cout << ,it o8 ................ 0&1n,; cout << ,n t >> , ; int choice ; cin >> choice ; return choice ; 6

/* * VT9& Cipher * Type : Monoalphabetic Substitution Cipher */ #include #include #include using namespace std ; string VT9& )string str ; int menu ) ; int main)  bool state % true ; 8hile )state  s8itch ) menu)   case 9:  cout << ,nnter The lain Tet : n,; char ch ; string str % ,, ; 8hile ) )ch%getche) % =r=   i( ) ch %% = = continue ; else str % ch ; 6 cout << ,nnlainTet % , << str << endl; cout << ,nCipherTet % , << VT9&)str << endl;

brea'; 6 case +:  cout << ,nnter The Cipher Tet : n,; char ch ; string str % ,, ; 8hile ) )ch%getche) % =r=   i( ) ch %% = = continue ; else str % ch ; 6 cout << ,nnCipherTet % , << str << endl; cout << ,nlainTet % , << VT9&)str << endl; brea' ; 6 case &:  state % (alse; cout << ,ood ?uc' n,; brea'; 6 de(ault: cout << ,rror Choice @ Try Again ,; brea'; 6 getch); system),cls,;

6

cout << ,nn,; return -; 6 int menu )  cout << ,tt VT9& Cipher n,; cout << ,tt22222222222222222n,; cout << ,ncryption ................ 091n,; cout << ,Becryption ................ 0+1n,; cout << ,it o8 ................ 0&1n,; cout << ,n t >> , ; int choice ; cin >> choice ;

return choice ; 6 string VT9& )string str  string str+ % ,,; int "$; (or )int i%- ; i< str.length) ; i  int  % ) ) ))intstr0i1 2 34  "$  5 +3   34 ; str+ % )char  ; 6 return str+ ; 6 /* * Type : olyalphabetic Substitution Cipher * unning "ey igenere Cipher */ #include #include #include using namespace std; class unning"eyigenere  public: string ncryption )string plainTet @ string 'eyhrase  ; string Becryption )string cipherTet @ string 'eyhrase  ; 6; string unning"eyigenere :: ncryption )string plainTet @ string 'eyhrase   string cipherTet % ,,; (or )int i%- ; i
plainTet % )char 34 ; 6 return plainTet ; 6 int menu ) ; int main)  string plainTet % ,, ; string 'eyhrase % ,, ; string cipherTet % ,, ; unning"eyigenere r'! ; char ch ; bool state % true ; 8hile )state  s8itch ) menu)   case 9:  plainTet % ,, ; 'eyhrase % ,, ; cipherTet % ,, ; cout << ,nter The lain Tet : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; plainTet % ch ; 6 cout << ,nnnter The "ey hrase : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; 'eyhrase % ch ; 6 int 'plength % 'eyhrase.length); int ptlength % plainTet.length); i( ) 'plength < ptlength   cout << ,nn"eyhrase Must me reater or same length as plain Tet n, ; brea' ; 6 cout << ,nn,;

cout << ,nnThe Cipher Tet is : , << r'!.ncryption)plainTet@'eyhrase ; brea'; 6 case +:  plainTet % ,, ; 'eyhrase % ,, ; cipherTet % ,, ; cout << ,nter The Cipher Tet : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; cipherTet % ch ; 6 cout << ,nnnter The "ey hrase : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; 'eyhrase % ch ; 6 int 'plength % 'eyhrase.length); int ctlength % cipherTet.length); i( ) 'plength < ctlength   cout << ,nn"eyhrase Must me reater or same length as cipherTet nn,; brea' ; 6 cout << ,nnThe lain Tet is brea';

: , << r'!.Becryption)cipherTet@'eyhrase ;

6 case &:  state % (alse; cout << ,ood ?uc' n,; brea'; 6 de(ault: cout << ,rror Choice @ Try Again ,; brea'; 6 getch);

system),cls,; 6 cout << ,nn,; return -;

6 int menu )  cout << ,tt unning "ey igenere Cipher n,; cout << ,tt222222222222222222222222222222222n,; cout << ,ncryption ................ 091n,; cout << ,Becryption ................ 0+1n,; cout << ,it o8 ................ 0&1n,; cout << ,n t >> , ; int choice ; cin >> choice ; cout << ,n,; return choice ; 6

/* * Type : olyalphabetic Substitution Cipher * Simple Shi(t igenere Cipher */ #include #include #include using namespace std; class Simpleigenere  public: string ncryption )string plainTet @ string 'eyhrase  ; string Becryption )string cipherTet @ string 'eyhrase  ; 6; string Simpleigenere :: ncryption )string plainTet @ string 'eyhrase   string cipherTet % ,,; int 'plength % 'eyhrase.length); (or )int i%- ; i
string Simpleigenere ::Becryption )string cipherTet @ string 'eyhrase   string plainTet % ,,; int 'plength % 'eyhrase.length); (or )int i%- ; i
cout << ,nn,; cout << ,nnThe Cipher Tet is : , << s!.ncryption)plainTet@'eyhrase ; brea'; 6 case +:  plainTet % ,, ; 'eyhrase % ,, ; cipherTet % ,, ; cout << ,nter The Cipher Tet : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; cipherTet % ch ; 6 cout << ,nnnter The "ey hrase : , ; 8hile ) )ch%getche) % =r=  i( ) ch %% = = continue ; 'eyhrase % ch ; 6 cout << ,nnThe lain Tet is : , << s!.Becryption)cipherTet@'eyhrase ; brea'; 6 case &:  state % (alse; cout << ,ood ?uc' n,; brea'; 6 de(ault: cout << ,rror Choice @ Try Again ,; brea'; 6

getch); system),cls,;

6 cout << ,nn,; system),pause,; return -; 6 int menu )  cout << ,tt Simple Shi(t igenere Cipher n,; cout << ,tt222222222222222222222222222222222n,;

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