feat: drop the hazmat guarding feature

Now that the signature's hazmat-preview feature has matured, enable
corresponding interfaces by default and drop the 'hazmat' feature.

Signed-off-by: Dmitry Baryshkov <[email protected]>

Author: lumag

Cargo.toml

@@ -53,7 +53,6 @@ name = "key"
 
 [features]
 default = ["std", "pem"]
-hazmat = []
 nightly = ["num-bigint/nightly"]
 serde = ["num-bigint/serde", "serde_crate"]
 expose-internals = []

src/pkcs1v15.rs

@@ -13,9 +13,8 @@ use core::marker::PhantomData;
 use digest::Digest;
 use pkcs8::{AssociatedOid, Document, EncodePrivateKey, EncodePublicKey, SecretDocument};
 use rand_core::CryptoRngCore;
-#[cfg(feature = "hazmat")]
-use signature::hazmat::{PrehashSigner, PrehashVerifier};
 use signature::{
+    hazmat::{PrehashSigner, PrehashVerifier},
     DigestSigner, DigestVerifier, Keypair, RandomizedDigestSigner, RandomizedSigner,
     SignatureEncoding, Signer, Verifier,
 };
@@ -437,7 +436,6 @@ where
     }
 }
 
-#[cfg(feature = "hazmat")]
 impl<D> PrehashSigner<Signature> for SigningKey<D>
 where
     D: Digest,
@@ -575,7 +573,6 @@ where
     }
 }
 
-#[cfg(feature = "hazmat")]
 impl<D> PrehashVerifier<Signature> for VerifyingKey<D>
 where
     D: Digest,
@@ -971,7 +968,6 @@ mod tests {
             .expect("failed to verify");
     }
 
-    #[cfg(feature = "hazmat")]
     #[test]
     fn test_unpadded_signature_hazmat() {
         let msg = b"Thu Dec 19 18:06:16 EST 2013\n";

src/pss.rs

@@ -17,9 +17,8 @@ use core::marker::PhantomData;
 use digest::{Digest, DynDigest, FixedOutputReset};
 use pkcs8::{Document, EncodePrivateKey, EncodePublicKey, SecretDocument};
 use rand_core::CryptoRngCore;
-#[cfg(feature = "hazmat")]
-use signature::hazmat::{PrehashVerifier, RandomizedPrehashSigner};
 use signature::{
+    hazmat::{PrehashVerifier, RandomizedPrehashSigner},
     DigestVerifier, Keypair, RandomizedDigestSigner, RandomizedSigner, SignatureEncoding, Verifier,
 };
 use subtle::ConstantTimeEq;
@@ -631,7 +630,6 @@ where
     }
 }
 
-#[cfg(feature = "hazmat")]
 impl<D> RandomizedPrehashSigner<Signature> for SigningKey<D>
 where
     D: Digest + FixedOutputReset,
@@ -763,7 +761,6 @@ where
     }
 }
 
-#[cfg(feature = "hazmat")]
 impl<D> RandomizedPrehashSigner<Signature> for BlindedSigningKey<D>
 where
     D: Digest + FixedOutputReset,
@@ -865,7 +862,6 @@ where
     }
 }
 
-#[cfg(feature = "hazmat")]
 impl<D> PrehashVerifier<Signature> for VerifyingKey<D>
 where
     D: Digest + FixedOutputReset,
@@ -903,7 +899,6 @@ mod test {
     use num_traits::{FromPrimitive, Num};
     use rand_chacha::{rand_core::SeedableRng, ChaCha8Rng};
     use sha1::{Digest, Sha1};
-    #[cfg(feature = "hazmat")]
     use signature::hazmat::{PrehashVerifier, RandomizedPrehashSigner};
     use signature::{DigestVerifier, Keypair, RandomizedDigestSigner, RandomizedSigner, Verifier};
 
@@ -1160,7 +1155,6 @@ mod test {
         }
     }
 
-    #[cfg(feature = "hazmat")]
     #[test]
     fn test_verify_pss_hazmat() {
         let priv_key = get_private_key();
@@ -1198,7 +1192,6 @@ mod test {
         }
     }
 
-    #[cfg(feature = "hazmat")]
     #[test]
     fn test_sign_and_verify_pss_hazmat() {
         let priv_key = get_private_key();
@@ -1218,7 +1211,6 @@ mod test {
         }
     }
 
-    #[cfg(feature = "hazmat")]
     #[test]
     fn test_sign_and_verify_pss_blinded_hazmat() {
         let priv_key = get_private_key();