chore: Remove JWK feature

Cargo.toml

@@ -24,8 +24,6 @@ cli = [
 
 xkeys = ["dep:crypto_box"]
 
-jwk = ["serde", "serde_json", "sha2"]
-
 [[bin]]
 name = "nk"
 required-features = ["cli"]
@@ -49,10 +47,6 @@ exitfailure = { version = "0.5.1", optional = true }
 env_logger = { version = "0.9", optional = true }
 serde_json = { version = "1.0", optional = true }
 
-# jwk dependencies
-serde = { version = "1.0", optional = true, features = ["derive"] }
-sha2 = { version = "0.10", optional = true }
-
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 # NOTE: We need this due to an underlying dependency being pulled in by
 # `ed25519-dalek`. Even if we exclude `rand`, that crate pulls it in. `rand` pulls in the low level

src/error.rs

@@ -42,8 +42,6 @@ pub enum ErrorKind {
     IncorrectKeyType,
     /// Payload not valid (or failed to be decrypted)
     InvalidPayload,
-    /// Thumbprint could not be calculated over the provided public key value
-    ThumbprintCalculationFailure,
     /// Signature did not match the expected length (64 bytes)
     InvalidSignatureLength,
 }
@@ -75,7 +73,6 @@ impl ErrorKind {
             ErrorKind::SignatureError => "Signature failure",
             ErrorKind::IncorrectKeyType => "Incorrect key type",
             ErrorKind::InvalidPayload => "Invalid payload",
-            ErrorKind::ThumbprintCalculationFailure => "Thumbprint calculation failure",
         }
     }
 }

src/lib.rs

@@ -58,12 +58,6 @@ mod xkeys;
 #[cfg(feature = "xkeys")]
 pub use xkeys::XKey;
 
-#[cfg(feature = "jwk")]
-mod jwk;
-
-#[cfg(feature = "jwk")]
-pub use jwk::JsonWebKey;
-
 const ENCODED_SEED_LENGTH: usize = 58;
 const ENCODED_PUBKEY_LENGTH: usize = 56;