Formatting

src/main.rs

@@ -1,13 +1,12 @@
-use std::{fs::write, io::Write};
 use aes_gcm::aead::consts::U32;
-use clap::Parser;
 use aes_gcm::{
- aead::{AeadInPlace, KeyInit, generic_array::GenericArray},
- Aes256Gcm, Nonce
+ aead::{generic_array::GenericArray, AeadInPlace, KeyInit},
+ Aes256Gcm, Nonce,
 };
-use std::io::{stdin, stdout};
+use clap::Parser;
 use sha2::{Digest, Sha256};
-
+use std::io::{stdin, stdout};
+use std::{fs::write, io::Write};
 
 #[derive(Parser)]
 struct Cli {
@@ -46,10 +45,17 @@ fn get_user_pass() -> Vec<u8> {
 
 fn main() {
  let args = Cli::parse();
- if {args.encrypt} == {args.decrypt} {
+ if { args.encrypt } == { args.decrypt } {
  panic!("You must specify either --encrypt or --decrypt");
  }
- println!("--> {} <--", if args.encrypt { "ENCRYPTING" } else { "DECRYPTING" });
+ println!(
+ "--> {} <--",
+ if args.encrypt {
+ "ENCRYPTING"
+ } else {
+ "DECRYPTING"
+ }
+ );
 
  let key = match args.keyfile {
  Some(keyfile) => {
@@ -77,20 +83,23 @@ fn main() {
  println!("Reading file...");
  let mut buffer: Vec<u8> = std::fs::read(args.path.clone()).expect("Failed to read file.");
  println!("Encrypting...");
- cipher.encrypt_in_place(nonce, b"", &mut buffer).expect("Encryption failed.");
+ cipher
+ .encrypt_in_place(nonce, b"", &mut buffer)
+ .expect("Encryption failed.");
  nonce_vec.append(&mut buffer); // we want the nonce to be the first 96 bits in the file
  println!("Writing file...");
  write(args.path, nonce_vec).expect("Failed to write file.");
- }
- else if args.decrypt {
+ } else if args.decrypt {
  println!("Reading file...");
  let buffer: Vec<u8> = std::fs::read(args.path.clone()).expect("Failed to read file.");
  // the first 12 bytes of the buffer is (should be) the nonce
  let (nonce_bytes, buffer) = buffer.split_at(12);
  let nonce = Nonce::from_slice(&nonce_bytes);
  let mut buffer = buffer.to_vec();
  println!("Decrypting...");
- cipher.decrypt_in_place(nonce, b"", &mut buffer).expect("Decryption failed.");
+ cipher
+ .decrypt_in_place(nonce, b"", &mut buffer)
+ .expect("Decryption failed.");
  println!("Writing file...");
  write(args.path, buffer).expect("Failed to write file.");
  }