doc nits and vec init change

Author: G8XSU

src/lib.rs

@@ -20,7 +20,7 @@ pub mod error;
 /// Contains request/response types generated from the API definition of VSS.
 pub mod types;
 
-/// Contains helper utils for encryption, requests-retries etc.
+/// Contains utils for encryption, requests-retries etc.
 pub mod util;
 
 // Encryption-Decryption related crate-only helpers.

src/util/mod.rs

@@ -1,4 +1,4 @@
-/// Contains [`StorableBuilder`] helper utility.
+/// Contains [`StorableBuilder`] utility.
 ///
 /// [`StorableBuilder`]: storable_builder::StorableBuilder
 pub mod storable_builder;

src/util/storable_builder.rs

@@ -7,8 +7,8 @@ use std::borrow::Borrow;
 use std::io;
 use std::io::{Error, ErrorKind};
 
-/// [`StorableBuilder`] is a helper utility to build and deconstruct [`Storable`] objects.
-/// It provides client-side `Encrypt-then-MAC` using ChaCha20-Poly1305.
+/// [`StorableBuilder`] is a utility to build and deconstruct [`Storable`] objects.
+/// It provides client-side Encrypt-then-MAC using ChaCha20-Poly1305.
 pub struct StorableBuilder {
 	data_encryption_key: [u8; 32],
 }
@@ -18,22 +18,20 @@ const CHACHA20_CIPHER_NAME: &'static str = "ChaCha20Poly1305";
 impl StorableBuilder {
 	/// Creates a [`Storable`] that can be serialized and stored as `value` in [`PutObjectRequest`].
 	///
-	/// Uses ChaCha20 for encrypting the `input` and Poly1305 for generating mac/tag.
+	/// Uses ChaCha20 for encrypting `input` and Poly1305 for generating a mac/tag.
 	///
 	/// Refer to docs on [`Storable`] for more information.
 	///
 	/// [`PutObjectRequest`]: crate::types::PutObjectRequest
 	pub fn build(&self, input: Vec<u8>, version: i64) -> Storable {
 		let mut rng = ThreadRng::default();
-		let mut nonce = Vec::with_capacity(12);
-		nonce.resize(12, 0u8);
+		let mut nonce = vec![0u8; 12];
 		rng.fill_bytes(&mut nonce[4..]);
 
 		let mut data_blob = PlaintextBlob { value: input, version }.encode_to_vec();
 
 		let mut cipher = ChaCha20Poly1305::new(&self.data_encryption_key, &nonce, &[]);
-		let mut tag = Vec::with_capacity(16);
-		tag.resize(16, 0u8);
+		let mut tag = vec![0u8; 16];
 		cipher.encrypt_inplace(&mut data_blob, &mut tag);
 		Storable {
 			data: data_blob,