Removed magic values from gen_password. Made generate_password accept constants for the amount the length of the password

cryptography/src/passwords.rs

@@ -16,7 +16,7 @@ bitflags::bitflags! {
 /// Returns true if the generated master password is valid.
 /// It checks that it has at least one lowercase, one uppercase, one number and one punctuation char
 #[inline]
-fn check_generated_password(password: &[u8; 32]) -> bool {
+fn check_generated_password<const LENGTH: usize>(password: &[u8; LENGTH]) -> bool {
     let mut flags = PasswordFlags::empty();
     for &byte in password {
         match byte {
@@ -36,12 +36,12 @@ fn check_generated_password(password: &[u8; 32]) -> bool {
 }
 
 #[inline]
-fn generate_password<R>(rng: &mut R) -> ArrayString<32>
+fn generate_password<R, const LENGTH: usize>(rng: &mut R) -> ArrayString<LENGTH>
 where
     R: Rng + CryptoRng,
 {
     loop {
-        let password: [u8; 32] = array::from_fn(|_| *CHARS.choose(rng).unwrap());
+        let password = array::from_fn(|_| *CHARS.choose(rng).unwrap());
         if check_generated_password(&password) {
             return ArrayString::from_byte_string(&password).unwrap();
         }
@@ -50,7 +50,8 @@ where
 
 /// Continuously generates the password until it passes the checks
 #[inline]
-pub fn generate_passwords() -> [ArrayString<32>; 10] {
+pub fn generate_passwords<const AMOUNT: usize, const LENGTH: usize>(
+) -> [ArrayString<LENGTH>; AMOUNT] {
     let mut rng = thread_rng();
     array::from_fn(|_| generate_password(&mut rng))
 }