jose-jwt Add A key kind:Secp256k1

jose-jwk/Cargo.toml

@@ -10,27 +10,47 @@ RFC7517
 """
 documentation = "https://docs.rs/jose-jwk"
 repository = "https://github.com/RustCrypto/JOSE/tree/master/jose-jwk"
-categories = ["cryptography", "data-structures", "encoding", "parser-implementations"]
+categories = [
+    "cryptography",
+    "data-structures",
+    "encoding",
+    "parser-implementations",
+]
 keywords = ["json", "jose"]
 readme = "README.md"
 edition = "2021"
 rust-version = "1.65"
 
 [features]
 default = ["crypto"]
-crypto = ["p256", "p384", "rsa"]
+crypto = ["p256", "p384", "rsa", "k256"]
 
 [dependencies]
-jose-b64 = { version = "0.1", default-features = false, features = ["secret"], path = "../jose-b64" }
+jose-b64 = { version = "0.1", default-features = false, features = [
+    "secret",
+], path = "../jose-b64" }
 jose-jwa = { version = "0.1", path = "../jose-jwa" }
-serde = { version = "1.0.185", default-features = false, features = ["alloc", "derive"] }
+serde = { version = "1.0.185", default-features = false, features = [
+    "alloc",
+    "derive",
+] }
 zeroize = { version = "1.6.0", default-features = false, features = ["alloc"] }
 
 # optional dependencies
-p256 = { version = "0.13.2", default-features = false, optional = true, features = ["arithmetic"] }
-p384 = { version = "0.13.0", default-features = false, optional = true, features = ["arithmetic"] }
+p256 = { version = "0.13.2", default-features = false, optional = true, features = [
+    "arithmetic",
+] }
+p384 = { version = "0.13.0", default-features = false, optional = true, features = [
+    "arithmetic",
+] }
+
+k256 = { version = "0.13.1", default-features = false, optional = true, features = [
+    "default",
+] }
 rsa = { version = "0.9", default-features = false, optional = true }
-url = { version = "2.4.1", default-features = false, optional = true, features = ["serde"] }
+url = { version = "2.4.1", default-features = false, optional = true, features = [
+    "serde",
+] }
 
 [dev-dependencies]
 serde_json = "1.0.96"

jose-jwk/src/crypto/key.rs

@@ -34,6 +34,10 @@ pub enum Key {
     /// A P-384 key.
     #[cfg(feature = "p384")]
     P384(super::Kind<p384::PublicKey, p384::SecretKey>),
+
+    /// A Secp256k1 key.
+    #[cfg(feature = "k256")]
+    P256K(super::Kind<k256::PublicKey, k256::SecretKey>),
 }
 
 impl KeyInfo for Key {
@@ -49,6 +53,9 @@ impl KeyInfo for Key {
 
             #[cfg(feature = "p384")]
             Self::P384(k) => k.strength(),
+
+            #[cfg(feature = "k256")]
+            Self::P256K(k) => k.strength(),
         }
     }
 
@@ -64,6 +71,9 @@ impl KeyInfo for Key {
 
             #[cfg(feature = "p384")]
             Self::P384(k) => k.is_supported(algo),
+
+            #[cfg(feature = "k256")]
+            Self::P256K(k) => k.is_supported(algo),
         }
     }
 }
@@ -211,6 +221,12 @@ impl From<&Key> for crate::Key {
                 super::Kind::Public(public) => Self::Ec(public.into()),
                 super::Kind::Secret(secret) => Self::Ec(secret.into()),
             },
+
+            #[cfg(feature = "k256")]
+            Key::P256K(kind) => match kind {
+                super::Kind::Public(public) => Self::Ec(public.into()),
+                super::Kind::Secret(secret) => Self::Ec(secret.into()),
+            },
         }
     }
 }

jose-jwk/src/crypto/kind.rs

@@ -98,3 +98,27 @@ impl TryFrom<&crate::Ec> for Kind<p384::PublicKey, p384::SecretKey> {
         }
     }
 }
+
+
+#[cfg(feature = "k256")]
+impl From<&Kind<k256::PublicKey, k256::SecretKey>> for crate::Ec {
+    fn from(value: &Kind<k256::PublicKey, k256::SecretKey>) -> Self {
+        match value {
+            Kind::Public(key) => key.into(),
+            Kind::Secret(key) => key.into(),
+        }
+    }
+}
+
+#[cfg(feature = "k256")]
+impl TryFrom<&crate::Ec> for Kind<k256::PublicKey, k256::SecretKey> {
+    type Error = super::Error;
+
+    fn try_from(value: &crate::Ec) -> Result<Self, Self::Error> {
+        if value.d.is_none() {
+            Ok(Kind::Public(value.try_into()?))
+        } else {
+            Ok(Kind::Secret(value.try_into()?))
+        }
+    }
+}

jose-jwk/src/crypto/mod.rs

@@ -7,6 +7,7 @@ mod key;
 mod keyinfo;
 mod kind;
 mod p256;
+mod p256k;
 mod p384;
 mod rsa;