michael/totp-rs
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totp-rs
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Remove some unnecessary to_vec calls in code

This commit is contained in:
evenorog 2020-08-09 20:10:44 +02:00
parent 12cbfc1005
commit ffe9e4d50f
2 changed files with 5 additions and 5 deletions
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4
README.md
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@ -6,9 +6,9 @@ This library permits the creation of 2FA authentification tokens per TOTP, the v
## Features
---
### qr
With optionnal feature "qr", you can use it to generate a base64 png qrcode
With optional feature "qr", you can use it to generate a base64 png qrcode
### serde_support
With optionnal feature "serde_support", library-defined types will be Deserialize-able and Serialize-able
With optional feature "serde_support", library-defined types will be Deserialize-able and Serialize-able
## How to use
---

6
src/lib.rs
View File

@ -92,7 +92,7 @@ impl<T: AsRef<[u8]>> TOTP<T> {
/// Will sign the given timestamp
pub fn sign(&self, time: u64) -> Vec<u8> {
let ctr = (time / self.step).to_be_bytes().to_vec();
let ctr = (time / self.step).to_be_bytes();
match self.algorithm {
Algorithm::SHA1 => {
let mut mac = HmacSha1::new_varkey(self.secret.as_ref()).expect("no key");
@ -116,7 +116,7 @@ impl<T: AsRef<[u8]>> TOTP<T> {
pub fn generate(&self, time: u64) -> String {
let result: &[u8] = &self.sign(time);
let offset = (result[19] & 15) as usize;
let mut rdr = Cursor::new(result[offset..offset + 4].to_vec());
let mut rdr = Cursor::new(&result[offset..offset + 4]);
let result = rdr.read_u32::<BigEndian>().unwrap() & 0x7fff_ffff;
format!(
"{1:00$}",
@ -177,7 +177,7 @@ impl<T: AsRef<[u8]>> TOTP<T> {
let size: u32 = ((code.width() + 8) * 8) as u32;
let encoder = image::png::PNGEncoder::new(&mut vec);
encoder.encode(
&code.render::<Luma<u8>>().build().to_vec(),
code.render::<Luma<u8>>().build().as_ref(),
size,
size,
image::ColorType::L8,