Remove redundant comment

Remove redundant elliptic-curves dependency

Remove redundant signature dep

Fix duplicate dalek dep

bump dtls version to v0.7.2

fix clippy default warning

Update x25519-dalek

Fix incorrect key and certificate file paths

Signed-off-by: andreastedile <[email protected]>

downgrade x509-parser to fix minimial-versions tests

update rust-version: 1.60.0 ==> 1.63.0

update some dependencies and remove some useless dependencies

bump dtls version to v0.7.1

general: apply clippy lints (#407)

* general: update crates to 2021 edition.

* general: apply clippy --fix

* general: apply manual clippy lints

* cargo fmt.

Change example code for converting private keys (EC -> PKCS8) from Go to Rust

Add missing newlines in 'README.md' files

Remove hard tabs from code snippet in 'README.md' file

Add language specifiers for markdown code blocks

Remove trailing spaces in 'README.md' files

Resolve change-requests from code review

Silence `clippy::type_complexity` warning in tests

Simplify initialization of types with `Default::default()`, followed by field assignment in tests

Replace `Box::new(T::default())` with `Box::<T>::default()`

Replace single-arm match with if-let

Remove unreachable code

Replace `assert_eq!(<bool>, true)` with `assert!(<bool>)` and `assert_eq!(<bool>, false)` with `assert!(!<bool>)`