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Commit f775d44

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Merge pull request #91 from sgrG24/master
Added Two ciphers
2 parents 533d2b4 + 72fbbf4 commit f775d44

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//Atbash cipher
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#include<iostream>
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using namespace std;
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//Function that convert the message.
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string atbash(string msg)
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{
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/*This function takes msg as input and
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map it to its reverse alphabatically order.*/
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string cipher;
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for(int i=0;i<msg.length();i++)
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{
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if(msg[i]==' ')
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cipher= cipher + ' ';
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else if(msg[i]>='A' && msg[i]<='Z')
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cipher=cipher+(char)('Z'-(msg[i]-'A'));
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else
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cipher=cipher+(char)('z'-(msg[i]-'a'));
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}
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return cipher;
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}
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//Main program.
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int main()
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{
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string text;
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cout<<"Enter the message to encrypt/decrypt---"<<endl;
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cin>>text;
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cout<<"Converted message---"<<endl<<atbash(text);
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}
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## **Atbash Cipher**
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The [Atbash cipher](https://en.wikipedia.org/wiki/Atbash) is a monoalphabetic cipher formed by taking the alphabet and mapping it to its reverse, so that the first letter becomes the last letter, the second letter becomes the second to last letter, and so on.
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|**Plain** | 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 |
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|-----------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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|**Cipher** | Z | Y | X | W | V | U | T | S | R | Q | P | O | N | M | L | K | J | I | H | G | F | E | D | C | B | A |
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//C++ implemention of morse code generator
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#include<iostream>
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using namespace std;
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#include<map> //For map data structure
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// Encryption Function
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void encryption(string msg)
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{
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// Decalaring map structure and Defination of map
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map<char, string> encrypt;
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encrypt['A']=".-";encrypt['B']="-..."; encrypt['C']="-.-."; encrypt['D']="-..";
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encrypt['E']=".";encrypt['F']="..-."; encrypt['G']="--."; encrypt['H']="....";
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encrypt['I']="..";encrypt['J']=".---"; encrypt['K']="-.-"; encrypt['L']=".-..";
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encrypt['M']="--";encrypt['N']="-."; encrypt['O']="---"; encrypt['P']=".--.";
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encrypt['Q']="--.-";encrypt['R']=".-."; encrypt['S']="..."; encrypt['T']="-";
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encrypt['U']="..-";encrypt['V']="...-"; encrypt['W']=".--"; encrypt['X']="-..-";
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encrypt['Y']="-.--";encrypt['Z']="--..";
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encrypt['1']=".----"; encrypt['2']="..---"; encrypt['3']="...--";encrypt['4']="....-";
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encrypt['5']="....."; encrypt['6']="-...."; encrypt['7']="--...";
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encrypt['8']="---.."; encrypt['9']="---."; encrypt['0']="-----";
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string cipher;
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for(int i=0;i<msg.size();i++)
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{
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if(msg[i]!=' ')
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cipher = cipher + encrypt[msg[i]];
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else
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cipher = cipher + " ";
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}
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cout<<cipher;
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}
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//Driver program
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int main()
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{
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string key="CONVERT THIS INTO MORSE CODE";
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//Calling Function
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encryption(key);
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return 0;
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}

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