diff --git a/Others/PlayfairCipher.cpp b/Others/PlayfairCipher.cpp
new file mode 100644
index 000000000..fdb327cfc
--- /dev/null
+++ b/Others/PlayfairCipher.cpp
@@ -0,0 +1,83 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#define ENGLISH_ABC "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+using namespace std;
+
+inline pair<uint8_t, uint8_t> getCoordinate(char*code_table,const char character) {
+        for (uint8_t x(0); x < 5;x++) {
+                for (uint8_t y(0); y < 5;y++) {
+                        if (*(code_table + (x * 5) + y) == character)
+                                return make_pair(x, y);
+                }
+        }
+}
+string playfair(string str, string keyword) {
+
+        char code_table[5][5];
+        int32_t keyword_index(-1);
+
+        string::iterator str_iter = str.begin(), keywor_iter = keyword.begin();
+
+        while (str_iter != str.end() || keywor_iter != keyword.end())
+        {
+                if (str_iter != str.end()) {
+                        if ((*str_iter = toupper(*str_iter)) >= 'A' && *str_iter <= 'Z')
+                                str_iter++;
+                        else str.erase(str_iter);
+                 }
+                if (keywor_iter != keyword.end()) {
+                        if ((*keywor_iter = toupper(*keywor_iter)) >= 'A' && *keywor_iter <= 'Z')
+                                keywor_iter++;
+                        else keyword.erase(keywor_iter);
+                }
+        }
+        if (str.length() == 0)return str;
+
+        keyword.append(ENGLISH_ABC);
+        for (uint8_t x(0); x < 5;x++) {
+                for (uint8_t y(0); y < 5;y++) {
+                        while (true)
+                        {
+                                if (keyword.find_first_of(keyword.at(++keyword_index)) == keyword_index){
+                                        code_table[x][y] = keyword.at(keyword_index);
+                                        break;
+                                }
+                        }
+                }
+        }
+
+        for (string::iterator iter = str.begin() + 1; iter != str.end(); iter+= iter == str.end() - 1 ? 1 : 2) {
+                if (*(iter - 1) == *iter)
+                        str.insert(iter, 'x');
+        }
+        if (str.length() % 2 != 0) str.append("x");
+
+        for (string::iterator iter = str.begin(); iter != str.end(); iter += 2) {
+                pair<pair<uint8_t, uint8_t>, pair<uint8_t, uint8_t>> character_pair_coordinate;
+                character_pair_coordinate.first = getCoordinate(&code_table[0][0], *iter);
+                character_pair_coordinate.second = getCoordinate(&code_table[0][0], *(iter + 1));
+                if (character_pair_coordinate.first.first == character_pair_coordinate.second.first) // x1 == x2
+                {
+                        *iter = (code_table[character_pair_coordinate.first.first][(character_pair_coordinate.first.second + 1) % 5]);
+                        *(iter + 1) = (code_table[character_pair_coordinate.second.first][(character_pair_coordinate.second.second + 1) % 5]);
+                }
+                else if (character_pair_coordinate.first.second == character_pair_coordinate.second.second) //y1 == y2
+                {
+                        *iter = (code_table[(character_pair_coordinate.first.first + 1) % 5][character_pair_coordinate.first.second]);
+                        *(iter + 1) = (code_table[(character_pair_coordinate.second.first + 1) % 5][character_pair_coordinate.second.second]);
+                }
+                else
+                {
+                        *iter = (code_table[character_pair_coordinate.first.first ][character_pair_coordinate.second.second]);
+                        *(iter + 1) = (code_table[character_pair_coordinate.second.first][character_pair_coordinate.first.second]);
+            }
+        }
+
+        return str;
+}
+int main(){
+    playfair("Welcome from Hungary!","playfair"); //return the encrypted text
+    return 0;
+}