Add RSA Cipher (#967)

Author: AliAlimohammadi

DIRECTORY.md

@@ -9,7 +9,7 @@
     * [N-Queens](https://github.com/TheAlgorithms/Rust/blob/master/src/backtracking/n_queens.rs)
     * [Parentheses Generator](https://github.com/TheAlgorithms/Rust/blob/master/src/backtracking/parentheses_generator.rs)
     * [Permutations](https://github.com/TheAlgorithms/Rust/blob/master/src/backtracking/permutations.rs)
-    * [Rat In Maze](https://github.com/TheAlgorithms/Rust/blob/master/src/backtracking/rat_in_maze.rs)
+    * [Rat in Maze](https://github.com/TheAlgorithms/Rust/blob/master/src/backtracking/rat_in_maze.rs)
     * [Subset Sum](https://github.com/TheAlgorithms/Rust/blob/master/src/backtracking/subset_sum.rs)
     * [Sudoku](https://github.com/TheAlgorithms/Rust/blob/master/src/backtracking/sudoku.rs)
   * Big Integer
@@ -22,7 +22,7 @@
     * [Highest Set Bit](https://github.com/TheAlgorithms/Rust/blob/master/src/bit_manipulation/highest_set_bit.rs)
     * [N Bits Gray Code](https://github.com/TheAlgorithms/Rust/blob/master/src/bit_manipulation/n_bits_gray_code.rs)
     * [Reverse Bits](https://github.com/TheAlgorithms/Rust/blob/master/src/bit_manipulation/reverse_bits.rs)
-    * [Sum Of Two Integers](https://github.com/TheAlgorithms/Rust/blob/master/src/bit_manipulation/sum_of_two_integers.rs)
+    * [Sum of Two Integers](https://github.com/TheAlgorithms/Rust/blob/master/src/bit_manipulation/sum_of_two_integers.rs)
     * [Swap Odd and Even Bits](https://github.com/TheAlgorithms/Rust/blob/master/src/bit_manipulation/swap_odd_even_bits.rs)
   * Ciphers
     * [AES](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/aes.rs)
@@ -39,6 +39,7 @@
     * [Polybius](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/polybius.rs)
     * [Rail Fence](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/rail_fence.rs)
     * [ROT13](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/rot13.rs)
+    * [RSA Cipher](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/rsa_cipher.rs)
     * [Salsa](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/salsa.rs)
     * [SHA-256](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/sha256.rs)
     * [SHA-3](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/sha3.rs)
@@ -48,22 +49,22 @@
     * [Vigenere](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/vigenere.rs)
     * [XOR](https://github.com/TheAlgorithms/Rust/blob/master/src/ciphers/xor.rs)
   * Compression
-    * [Move To Front](https://github.com/TheAlgorithms/Rust/blob/master/src/compression/move_to_front.rs)
+    * [Move to Front](https://github.com/TheAlgorithms/Rust/blob/master/src/compression/move_to_front.rs)
     * [Run Length Encoding](https://github.com/TheAlgorithms/Rust/blob/master/src/compression/run_length_encoding.rs)
   * Conversions
-    * [Binary To Decimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/binary_to_decimal.rs)
-    * [Binary To Hexadecimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/binary_to_hexadecimal.rs)
-    * [Binary To Octal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/binary_to_octal.rs)
-    * [Decimal To Binary](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/decimal_to_binary.rs)
-    * [Decimal To Hexadecimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/decimal_to_hexadecimal.rs)
-    * [Decimal To Octal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/decimal_to_octal.rs)
-    * [Hexadecimal To Binary](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/hexadecimal_to_binary.rs)
-    * [Hexadecimal To Decimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/hexadecimal_to_decimal.rs)
-    * [Hexadecimal To Octal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/hexadecimal_to_octal.rs)
+    * [Binary to Decimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/binary_to_decimal.rs)
+    * [Binary to Hexadecimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/binary_to_hexadecimal.rs)
+    * [Binary to Octal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/binary_to_octal.rs)
+    * [Decimal to Binary](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/decimal_to_binary.rs)
+    * [Decimal to Hexadecimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/decimal_to_hexadecimal.rs)
+    * [Decimal to Octal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/decimal_to_octal.rs)
+    * [Hexadecimal to Binary](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/hexadecimal_to_binary.rs)
+    * [Hexadecimal to Decimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/hexadecimal_to_decimal.rs)
+    * [Hexadecimal to Octal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/hexadecimal_to_octal.rs)
     * [Length Conversion](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/length_conversion.rs)
-    * [Octal To Binary](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/octal_to_binary.rs)
-    * [Octal To Decimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/octal_to_decimal.rs)
-    * [Octal To Hexadecimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/octal_to_hexadecimal.rs)
+    * [Octal to Binary](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/octal_to_binary.rs)
+    * [Octal to Decimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/octal_to_decimal.rs)
+    * [Octal to Hexadecimal](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/octal_to_hexadecimal.rs)
     * [RGB-CMYK Conversion](https://github.com/TheAlgorithms/Rust/blob/master/src/conversions/rgb_cmyk_conversion.rs)
   * Data Structures
     * [AVL Tree](https://github.com/TheAlgorithms/Rust/blob/master/src/data_structures/avl_tree.rs)
@@ -152,7 +153,7 @@
     * [Centroid Decomposition](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/centroid_decomposition.rs)
     * [Decremental Connectivity](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/decremental_connectivity.rs)
     * [Depth First Search](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/depth_first_search.rs)
-    * [Depth First Search Tic Tac Toe](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/depth_first_search_tic_tac_toe.rs)
+    * [Depth First Search Tic-Tac-Toe](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/depth_first_search_tic_tac_toe.rs)
     * [Detect Cycle](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/detect_cycle.rs)
     * [Dijkstra](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/dijkstra.rs)
     * [Dinic Maxflow](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/dinic_maxflow.rs)

src/ciphers/mod.rs

@@ -12,6 +12,7 @@ mod morse_code;
 mod polybius;
 mod rail_fence;
 mod rot13;
+mod rsa_cipher;
 mod salsa;
 mod sha256;
 mod sha3;
@@ -20,6 +21,7 @@ mod theoretical_rot13;
 mod transposition;
 mod vigenere;
 mod xor;
+
 pub use self::aes::{aes_decrypt, aes_encrypt, AesKey};
 pub use self::another_rot13::another_rot13;
 pub use self::baconian_cipher::{baconian_decode, baconian_encode};
@@ -35,6 +37,9 @@ pub use self::morse_code::{decode, encode};
 pub use self::polybius::{decode_ascii, encode_ascii};
 pub use self::rail_fence::{rail_fence_decrypt, rail_fence_encrypt};
 pub use self::rot13::rot13;
+pub use self::rsa_cipher::{
+    decrypt, decrypt_text, encrypt, encrypt_text, generate_keypair, PrivateKey, PublicKey,
+};
 pub use self::salsa::salsa20;
 pub use self::sha256::SHA256;
 pub use self::sha3::{sha3_224, sha3_256, sha3_384, sha3_512};