Rename eddsa-2022 into eddsa-rdfc-2022. (#581)

* Bring `eddsa-2022` back for back-compatibility.

crates/claims/crates/data-integrity/src/any/suite/mod.rs

@@ -27,11 +27,18 @@ macros::crypto_suites! {
     #[cfg(all(feature = "w3c", feature = "ed25519"))]
     ed25519_signature_2020: Ed25519Signature2020,
 
-    /// W3C EdDSA Cryptosuite v2022.
+    /// W3C `eddsa-2022` cryptosuite, a draft version of the `eddsa-rdfc-2022`
+    /// cryptosuite.
     ///
-    /// See: <https://w3c.github.io/vc-di-eddsa/>
+    /// See: <https://www.w3.org/TR/2023/WD-vc-di-eddsa-20230714/#eddsa-2022>
     #[cfg(all(feature = "w3c", feature = "ed25519"))]
-    ed_dsa_2022: EdDsa2022,
+    eddsa_2022: EdDsa2022,
+
+    /// W3C `eddsa-rdfc-2022` cryptosuite.
+    ///
+    /// See: <https://w3c.github.io/vc-di-eddsa/#eddsa-rdfc-2022>
+    #[cfg(all(feature = "w3c", feature = "ed25519"))]
+    eddsa_rdfc_2022: EdDsaRdfc2022,
 
     /// W3C Ecdsa Secp256k1 Signature 2019.
     ///

crates/claims/crates/data-integrity/suites/src/suites/w3c.rs

@@ -23,6 +23,11 @@ pub mod eddsa_2022;
 #[cfg(feature = "ed25519")]
 pub use eddsa_2022::EdDsa2022;
 
+#[cfg(feature = "ed25519")]
+pub mod eddsa_rdfc_2022;
+#[cfg(feature = "ed25519")]
+pub use eddsa_rdfc_2022::EdDsaRdfc2022;
+
 #[cfg(feature = "secp256k1")]
 pub mod ecdsa_secp256k1_signature_2019;
 #[cfg(feature = "secp256k1")]

crates/claims/crates/data-integrity/suites/src/suites/w3c/eddsa_2022.rs

@@ -1,8 +1,3 @@
-//! EdDSA Cryptosuite v2022 implementation.
-//!
-//! This is the successor of the EdDSA Cryptosuite v2020.
-//!
-//! See: <https://w3c.github.io/vc-di-eddsa/>
 use k256::sha2::Sha256;
 use ssi_data_integrity_core::{
     canonicalization::{CanonicalizeClaimsAndConfiguration, HashCanonicalClaimsAndConfiguration},
@@ -13,12 +8,13 @@ use ssi_data_integrity_core::{
 use ssi_verification_methods::Multikey;
 use static_iref::iri;
 
-/// EdDSA Cryptosuite v2020.
+/// The `eddsa-2022` cryptosuite, a draft version of the `eddsa-rdfc-2022`
+/// cryptosuite.
 ///
-/// This is a legacy cryptographic suite for the usage of the EdDSA algorithm
-/// and Curve25519. It is recommended to use `edssa-2022` instead.
+/// This is only provided for compatibility with applications based on the
+/// EDDSA cryptosuite draft.
 ///
-/// See: <https://w3c.github.io/vc-di-eddsa/#the-ed25519signature2020-suite>
+/// See: <https://www.w3.org/TR/2023/WD-vc-di-eddsa-20230714/#eddsa-2022>
 #[derive(Debug, Default, Clone, Copy)]
 pub struct EdDsa2022;
 

crates/claims/crates/data-integrity/suites/src/suites/w3c/eddsa_rdfc_2022.rs

@@ -0,0 +1,39 @@
+use k256::sha2::Sha256;
+use ssi_data_integrity_core::{
+    canonicalization::{CanonicalizeClaimsAndConfiguration, HashCanonicalClaimsAndConfiguration},
+    signing::{Base58Btc, MultibaseSigning},
+    suite::NoConfiguration,
+    CryptosuiteStr, StandardCryptographicSuite, TypeRef,
+};
+use ssi_verification_methods::Multikey;
+use static_iref::iri;
+
+/// The `eddsa-rdfc-2022` cryptosuite.
+///
+/// See: <https://w3c.github.io/vc-di-eddsa/#eddsa-rdfc-2022>
+#[derive(Debug, Default, Clone, Copy)]
+pub struct EdDsaRdfc2022;
+
+impl EdDsaRdfc2022 {
+    pub const NAME: &'static str = "DataIntegrityProof";
+
+    pub const IRI: &'static iref::Iri = iri!("https://w3id.org/security#DataIntegrityProof");
+}
+
+impl StandardCryptographicSuite for EdDsaRdfc2022 {
+    type Configuration = NoConfiguration;
+
+    type Transformation = CanonicalizeClaimsAndConfiguration;
+
+    type Hashing = HashCanonicalClaimsAndConfiguration<Sha256>;
+
+    type VerificationMethod = Multikey;
+
+    type SignatureAlgorithm = MultibaseSigning<ssi_crypto::algorithm::EdDSA, Base58Btc>;
+
+    type ProofOptions = ();
+
+    fn type_(&self) -> TypeRef {
+        TypeRef::DataIntegrityProof(CryptosuiteStr::new("eddsa-rdfc-2022").unwrap())
+    }
+}