ecdsa: pkcs8 API changes

see RustCrypto/formats#1483

Author: baloo

Cargo.lock

@@ -13,3 +13,9 @@ members = [
 
 [profile.dev]
 opt-level = 2
+
+[patch.crates-io]
+sec1 = { git = "https://github.com/RustCrypto/formats.git" }
+pkcs8 = { git = "https://github.com/RustCrypto/formats.git" }
+# https://github.com/RustCrypto/traits/pull/1650
+elliptic-curve = { git = "https://github.com/baloo/traits.git", branch = "baloo/elliptic-curve/pkcs8-API-break" }

Cargo.toml

@@ -21,7 +21,7 @@ elliptic-curve = { version = "=0.14.0-pre.6", default-features = false, features
 signature = { version = "=2.3.0-pre.4", default-features = false, features = ["rand_core"] }
 
 # optional dependencies
-der = { version = "0.8.0-rc.0", optional = true }
+der = { version = "0.8.0-rc.1", optional = true }
 digest = { version = "=0.11.0-pre.9", optional = true, default-features = false, features = ["oid"] }
 rfc6979 = { version = "=0.5.0-pre.4", optional = true, path = "../rfc6979" }
 serdect = { version = "0.2", optional = true, default-features = false, features = ["alloc"] }

ecdsa/Cargo.toml

@@ -545,7 +545,7 @@ where
 }
 
 #[cfg(feature = "pkcs8")]
-impl<C> TryFrom<pkcs8::PrivateKeyInfo<'_>> for SigningKey<C>
+impl<C> TryFrom<pkcs8::PrivateKeyInfoRef<'_>> for SigningKey<C>
 where
     C: EcdsaCurve + AssociatedOid + CurveArithmetic,
     AffinePoint<C>: FromEncodedPoint<C> + ToEncodedPoint<C>,
@@ -555,7 +555,7 @@ where
 {
     type Error = pkcs8::Error;
 
-    fn try_from(private_key_info: pkcs8::PrivateKeyInfo<'_>) -> pkcs8::Result<Self> {
+    fn try_from(private_key_info: pkcs8::PrivateKeyInfoRef<'_>) -> pkcs8::Result<Self> {
         SecretKey::try_from(private_key_info).map(Into::into)
     }
 }