add ability to encode/decode keys to/from string

.gitignore

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+/target

Cargo.lock

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Cargo.toml

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+[package]
+name = "hole"
+version = "0.1.0"
+authors = ["horhik <horhik@tuta.io>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+ntru = "0.5.6"
+rusqlite = "0.24.0"
+toml = "0.5.6"

src/cli/cli_base.rs

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+use std::io;
+
+pub fn get_stdin () -> String {
+    let mut input = String::new();
+    io::stdin().read_line(&mut input);
+    return input
+
+}
+

src/cli/mod.rs

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+pub mod cli_base;
+
+

src/encrypting/encryption.rs

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+use ntru::rand::RNG_DEFAULT;
+use ntru::encparams::{DEFAULT_PARAMS_256_BITS};
+use ntru::types::{KeyPair, PrivateKey, PublicKey};
+use std::str;
+extern crate ntru;
+
+
+
+pub fn key_to_string(key: &Box<[u8]>) -> String {
+    let utf = unsafe {str::from_utf8_unchecked(&key)};
+    let string = String::from(utf);
+    return String::from(string);
+}
+
+pub fn public_key_from_sring (pk: String) -> PublicKey {
+    let bytes = pk.into_bytes();
+    let imported = PublicKey::import(&bytes);
+    return imported
+}
+
+pub fn private_key_from_sring (pk: String) -> PrivateKey {
+    let bytes = pk.into_bytes();
+    let imported = PrivateKey::import(&bytes);
+    return imported
+}
+
+
+pub fn generate () -> (String, String, KeyPair) {
+    let rand_ctx = ntru::rand::init(&RNG_DEFAULT).unwrap();
+    let kp       = ntru::generate_key_pair(&DEFAULT_PARAMS_256_BITS, &rand_ctx).unwrap();
+    // extracting public and private key from kp
+    let pub_key     = KeyPair::get_public(&kp);
+    let private_key = KeyPair::get_private(&kp);
+    // getting pub and priv key params for exporting
+    let pub_key_params     = KeyPair::get_params(&kp).unwrap();
+    let private_key_params = PrivateKey::get_params(&private_key).unwrap();
+    // exporting 
+    let pub_key_exported:       Box<[u8]>       = PublicKey::export(&pub_key, &pub_key_params);
+    let private_key_exported:   Box<[u8]>       = PrivateKey::export(&private_key, &private_key_params);
+    // converting to string
+    let pub_key_string          = key_to_string(&pub_key_exported);
+    let private_key_string         = key_to_string(&private_key_exported);
+    /* 
+     * It was a test 
+     *
+    
+    let xp = &PublicKey::import(&pub_key_exported);
+    let boo = xp == pub_key; 
+
+    let value = from_utf8(&pub_key_exported).unwrap();
+    let strVal = String::from(value);
+
+    print!(" without converting \n {}", xp == pub_key );
+    assert_eq!(xp, pub_key);
+
+    let newbytes = strVal.into_bytes();
+    let newkey = PublicKey::import(&newbytes);
+
+    print!(" with converting \n {}", &newkey == pub_key);
+    assert_eq!(&newkey , pub_key);
+    */    
+    return (pub_key_string, private_key_string, kp )
+}
+
+
+pub fn main () {
+    let (public, private, key_pair) = generate();
+
+
+    let initial_pub     = KeyPair::get_public(&key_pair);
+    let initial_priv    = KeyPair::get_private(&key_pair);
+
+    let final_pub   =  public_key_from_sring(public);
+    let final_priv  =  private_key_from_sring(private);
+
+    let bo0 = initial_pub  == &final_pub;
+    let bo1 = initial_priv == &final_priv;
+
+    print!("Pub : {}, Priv : {}", bo0, bo1);
+
+    assert_eq!(initial_pub, &final_pub);
+    assert_eq!(initial_priv, &final_priv);
+}

src/encrypting/mod.rs

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+pub mod encryption;

src/main.rs

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+mod cli;
+mod encrypting;
+
+
+fn main() {
+    encrypting::encryption::main()
+/*
+    let (one, two) = keys;
+
+    let value =String::from_utf8_lossy(&*one);
+    let strVal = String::from(value);
+    let newbytes = strVal.into_bytes();
+    print!("{:?}", newbytes);
+
+    let newkey = PrivateKey::import(newbytes);
+
+    let conn = Connection::open("myfile.db").unwrap();
+
+    conn.execute("CREATE TABLE person (
+        id INTEGER PRIMARY KEY,
+        name TEXT NOT NULL,
+        email TEXT NOT NULL
+    )", NO_PARAMS).unwrap();  
+    let name: String = "Steve Example".to_string();
+    let email: String = "steve@example.org".to_string();  
+    conn.execute("INSERT INTO person (name, email) VALUES (?1, ?2)",
+    &[&name, &email]).unwrap();    
+
+*/
+    //let mut std = cli::cli_base::get_stdin();
+    //print!("{}",std)
+}