Release v0.0.4 (#14)

* API Documentation and small cleanup.
* Bump crate version to 0.0.4.

Signed-off-by: Sergey Minaev <[email protected]>

Author: jovfer

CONTRIBUTING.md

@@ -8,13 +8,13 @@ We love your input! We want to make contributing to this project as easy and tra
 - Proposing new features
 - Becoming a maintainer
 
-## We Develop with Github
+## We Develop with GitHub
 
-We use github to host code, to track issues and feature requests, as well as accept pull requests.
+We use GitHub to host code, to track issues and feature requests, as well as accept pull requests.
 
-## We Use [Github Flow](https://guides.github.com/introduction/flow/index.html), So All Code Changes Happen Through Pull Requests
+## We Use [GitHub Flow](https://guides.github.com/introduction/flow/index.html), So All Code Changes Happen Through Pull Requests
 
-Pull requests are the best way to propose changes to the codebase (we use [Github Flow](https://guides.github.com/introduction/flow/index.html)). We actively welcome your pull requests:
+Pull requests are the best way to propose changes to the codebase (we use [GitHub Flow](https://guides.github.com/introduction/flow/index.html)). We actively welcome your pull requests:
 
 1. Fork the repo and create your branch from `main`.
 2. If you've added code that should be tested, add tests.
@@ -27,7 +27,7 @@ Pull requests are the best way to propose changes to the codebase (we use [Githu
 
 In short, when you submit code changes, your submissions are understood to be under the same [Apache 2.0 License](http://www.apache.org/licenses/) that covers the project. Feel free to contact the maintainers if that's a concern.
 
-## Report bugs using Github's [issues](https://github.com/openwallet-foundation-labs/sd-jwt-rust/issues)
+## Report bugs using GitHub's [issues](https://github.com/openwallet-foundation-labs/sd-jwt-rust/issues)
 
 We use GitHub issues to track public bugs. Report a bug by opening a new issue it's that easy!
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sd-jwt-rs"
-version = "0.0.3"
+version = "0.0.4"
 edition = "2021"
 license = "Apache-2.0 OR MIT"
 description = "Rust reference implementation of the IETF SD-JWT specification (v6)."
@@ -24,3 +24,4 @@ strum = { version = "0.25", default-features = false, features = ["std", "derive
 
 [dev-dependencies]
 rstest = "0.18.2"
+regex = "1.10"

README.md

@@ -40,7 +40,7 @@ cargo test
 ```
 
 ### Interoperability testing tool
-Coming soon (planned for v0.0.4)
+Coming soon (planned for v0.0.5)
 
 ## External Dependencies
 

src/disclosure.rs

@@ -29,3 +29,28 @@ impl SDJWTDisclosure  {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::utils::base64url_decode;
+    use regex::Regex;
+
+
+    #[test]
+    fn test_sdjwt_disclosure_when_key_is_none() {
+        let sdjwt_disclosure = SDJWTDisclosure::new(None, "test");
+        let decoded_disclosure: String = String::from_utf8(base64url_decode(&sdjwt_disclosure.raw_b64).unwrap()).unwrap();
+
+        let re = Regex::new(r#"\[".*", test]"#).unwrap();
+        assert!(re.is_match(&decoded_disclosure));
+    }
+
+    #[test]
+    fn test_sdjwt_disclosure_when_key_is_present() {
+        let sdjwt_disclosure = SDJWTDisclosure::new(Some("key".to_string()), "test");
+        let decoded = String::from_utf8(base64url_decode(&sdjwt_disclosure.raw_b64).unwrap()).unwrap();
+
+        let re = Regex::new(r#"\[".*", "key", test]"#).unwrap();
+        assert!(re.is_match(&decoded));    }
+}

src/holder.rs

@@ -25,6 +25,19 @@ pub struct SDJWTHolder {
 }
 
 impl SDJWTHolder {
+    /// Build an instance of holder to create one or more presentations based on SD JWT provided by issuer.
+    ///
+    /// # Arguments
+    /// * `sd_jwt_with_disclosures` - SD JWT with disclosures in the format specified by `serialization_format`
+    /// * `serialization_format` - Serialization format of the SD JWT. Supported values are `compact` and `json`
+    ///
+    /// # Returns
+    /// * `SDJWTHolder` - Instance of SDJWTHolder
+    ///
+    /// # Errors
+    /// * `InvalidInput` - If the serialization format is not supported
+    /// * `InvalidState` - If the SD JWT data is not valid
+    /// * `DeserializationError` - If the SD JWT serialization is not valid
     pub fn new(sd_jwt_with_disclosures: String, serialization_format: String) -> Result<Self> {
         let serialization_format = serialization_format.to_lowercase();
         if serialization_format != "compact" && serialization_format != "json" {
@@ -70,6 +83,17 @@ impl SDJWTHolder {
         Ok(holder)
     }
 
+    /// Create a presentation based on the SD JWT provided by issuer.
+    ///
+    /// # Arguments
+    /// * `claims_to_disclose` - Claims to disclose in the presentation
+    /// * `nonce` - Nonce to be used in the key-binding JWT
+    /// * `aud` - Audience to be used in the key-binding JWT
+    /// * `holder_key` - Key to sign the key-binding JWT
+    /// * `sign_alg` - Signing algorithm to be used in the key-binding JWT
+    ///
+    /// # Returns
+    /// * `String` - Presentation in the format specified by `serialization_format` in the constructor. It can be either compact or json.
     pub fn create_presentation(
         &mut self,
         claims_to_disclose: Map<String, Value>,

src/issuer.rs

@@ -47,9 +47,20 @@ pub enum SDJWTClaimsStrategy<'a> {
     Partial(Vec<&'a str>),
 }
 
-// {
-// let strategy = Partial(vec!["$.address", "$.address.street_address"])
-// }
+/// SDJWTClaimsStrategy is used to determine which claims can be selectively disclosed later by the holder.
+///
+/// The following strategies are supported:
+/// * No: No claims can be selectively disclosed.
+/// * Flat: Top-level claims can be selectively disclosed, nested objects are fully disclosed.
+/// * Full: All claims can be selectively disclosed.
+/// * Partial: Claims can be selectively disclosed based on the provided JSONPaths.
+/// 
+/// # Examples
+/// ```
+/// use sd_jwt_rs::issuer::SDJWTClaimsStrategy;
+///
+/// let strategy = SDJWTClaimsStrategy::Partial(vec!["$.address", "$.address.street_address"]);
+/// ```
 impl<'a> SDJWTClaimsStrategy<'a> {
     fn finalize_input(&mut self) -> Result<()> {
         match self {
@@ -108,7 +119,17 @@ impl SDJWTIssuer {
     const DECOY_MIN_ELEMENTS: u32 = 2;
     const DECOY_MAX_ELEMENTS: u32 = 5;
 
-    pub fn new(issuer_key: EncodingKey,sign_alg: Option<String>) -> Self {
+    /// Creates a new SDJWTIssuer instance.
+    ///
+    /// The instance can be used mutliple times to issue SD-JWTs.
+    ///
+    /// # Arguments
+    /// * `issuer_key` - The key used to sign the SD-JWT.
+    /// * `sign_alg` - The signing algorithm used to sign the SD-JWT. If not provided, the default algorithm is used.
+    ///
+    /// # Returns
+    /// A new SDJWTIssuer instance.
+    pub fn new(issuer_key: EncodingKey, sign_alg: Option<String>) -> Self {
         SDJWTIssuer {
             sign_alg: sign_alg.unwrap_or(DEFAULT_SIGNING_ALG.to_owned()),
             add_decoy_claims: false,
@@ -131,6 +152,17 @@ impl SDJWTIssuer {
         self.serialized_sd_jwt = Default::default();
     }
 
+    /// Issues a SD-JWT.
+    ///
+    /// # Arguments
+    /// * `user_claims` - The claims to be included in the SD-JWT.
+    /// * `sd_strategy` - The strategy to be used to determine which claims to be selectively disclosed. See SDJWTClaimsStrategy for more details.
+    /// * `holder_key` - The key used to sign the SD-JWT. If not provided, no key binding is added to the SD-JWT.
+    /// * `add_decoy_claims` - If true, decoy claims are added to the SD-JWT.
+    /// * `serialization_format` - The serialization format to be used for the SD-JWT. Only "compact" and "json" formats are supported.
+    ///
+    /// # Returns
+    /// The issued SD-JWT as a string in the requested serialization format.
     pub fn issue_sd_jwt(
         &mut self,
         user_claims: Value,

src/verifier.rs

@@ -29,6 +29,17 @@ pub struct SDJWTVerifier {
 }
 
 impl SDJWTVerifier {
+    /// Create a new SDJWTVerifier instance.
+    ///
+    /// # Arguments
+    /// * `sd_jwt_presentation` - The SD-JWT presentation to verify.
+    /// * `cb_get_issuer_key` - A callback function that takes the issuer and the header of the SD-JWT and returns the public key of the issuer.
+    /// * `expected_aud` - The expected audience of the SD-JWT.
+    /// * `expected_nonce` - The expected nonce of the SD-JWT.
+    /// * `serialization_format` - The serialization format of the SD-JWT.
+    ///
+    /// # Returns
+    /// * `SDJWTVerifier` - The SDJWTVerifier instance. The verified claims can be accessed via the `verified_claims` property.
     pub fn new(
         sd_jwt_presentation: String,
         cb_get_issuer_key: Box<KeyResolver>,