feat: update version

__crypto/secretshare/Cargo.toml

@@ -5,6 +5,7 @@ authors = ["Sebastian Gesemann <s.gesemann@gmail.com>"]
 description = "This is an implementation of Shamir's secret sharing scheme."
 license = "GPLv3"
 readme = "README.md"
+edition = "2021"
 
 [dependencies]
 getopts = "0.2"

__crypto/secretshare/src/gf256.rs

@@ -1,5 +1,5 @@
 //! This module provides the Gf256 type which is used to represent
-//! elements of a finite field wich 256 elements.
+//! elements of a finite field witch 256 elements.
 
 use std::num::Wrapping;
 use std::ops::{Add, Div, Mul, Sub};

__crypto/secretshare/src/main.rs

@@ -1,8 +1,3 @@
-extern crate rustc_serialize as serialize;
-extern crate getopts;
-extern crate crc24;
-extern crate rand;
-
 use std::convert;
 use std::env;
 use std::error;
@@ -12,9 +7,9 @@ use std::io::prelude::*;
 use std::iter::repeat;
 use std::num;
 
-use rand::{Rng, OsRng};
 use getopts::Options;
-use serialize::base64::{self, FromBase64, ToBase64};
+use rand::{OsRng, Rng};
+use rustc_serialize::base64::{self, FromBase64, ToBase64};
 
 use gf256::Gf256;