Add Clone bound for decode

Closes #432

Author: Keats

CHANGELOG.md

@@ -2,7 +2,8 @@
 
 ## 10.0.0 (unreleased)
 
-- Introduce alternative crypto backends (AWS-LC, RustCrypto)
+- BREAKING: use traits for crypto backends, you have to choose between `aws_lc_rs` and `rust_crypto`
+- Add `Clone` bound to `decode`
 
 ## 9.3.1 (2024-02-06)
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "jsonwebtoken"
-version = "9.3.1"
+version = "10.0.0"
 authors = ["Vincent Prouillet <hello@vincentprouillet.com>"]
 license = "MIT"
 readme = "README.md"

README.md

@@ -8,6 +8,7 @@ See [JSON Web Tokens](https://en.wikipedia.org/wiki/JSON_Web_Token) for more inf
 Add the following to Cargo.toml:
 
 ```toml
+# You will have to select either `aws_lc_rs` or `rust_crypto` as backend if you're not using your own
 jsonwebtoken = { version = "10", features = ["aws_lc_rs"] }
 # If you do not need pem decoding, you can disable the default feature `use_pem` that way:
 # jsonwebtoken = {version = "10", default-features = false, features = ["aws_lc_rs"] }

src/decoding.rs

@@ -259,7 +259,7 @@ impl DecodingKey {
 /// use serde::{Deserialize, Serialize};
 /// use jsonwebtoken::{decode, DecodingKey, Validation, Algorithm};
 ///
-/// #[derive(Debug, Serialize, Deserialize)]
+/// #[derive(Debug, Clone, Serialize, Deserialize)]
 /// struct Claims {
 ///    sub: String,
 ///    company: String
@@ -269,7 +269,7 @@ impl DecodingKey {
 /// // Claims is a struct that implements Deserialize
 /// let token_message = decode::<Claims>(&token, &DecodingKey::from_secret("secret".as_ref()), &Validation::new(Algorithm::HS256));
 /// ```
-pub fn decode<T: DeserializeOwned>(
+pub fn decode<T: DeserializeOwned + Clone>(
     token: &str,
     key: &DecodingKey,
     validation: &Validation,