Use RsaPublicParts::deserialize

This patch replaces trussed::postcard_deserialize with
RsaPublicParts::deserialize for compatibility with Trussed 0.2.0.

CHANGELOG.md

@@ -5,10 +5,20 @@ SPDX-License-Identifier: CC0-1.0
 
 # Changelog
 
+## Unreleased
+
+## [v0.1.2][] (2023-04-24)
+
+- Use `RsaPublicParts::deserialize` instead of `trussed::postcard_deserialize` for compatibility with recent Trussed changes.
+
+[v0.1.2]: https://github.com/Nitrokey/piv-authenticator/releases/tag/v0.1.2
+
 ## [v0.1.1][] (2023-04-17)
 
 - Fix dependency on trussed-rsa-alloc to use the git tag in the `[patch.crates-io]` section to avoid duplicate downstream dependencies
 
+[v0.1.1]: https://github.com/Nitrokey/piv-authenticator/releases/tag/v0.1.1
+
 ## [v0.1.0][] (2023-04-13)
 
 This initial release contains support for the basic PIV card functionality.

Cargo.toml

@@ -3,7 +3,7 @@
 
 [package]
 name = "piv-authenticator"
-version = "0.1.1"
+version = "0.1.2"
 authors = ["Nicolas Stalder <n@stalder.io>", "Nitrokey GmbH"]
 edition = "2021"
 license = "LGPL-3.0-only"

src/lib.rs

@@ -865,11 +865,10 @@ impl<'a, T: trussed::Client + AuthClient + trussed::client::Ed255> LoadedAuthent
                     trussed::types::KeySerialization::RsaParts
                 ))
                 .serialized_key;
-                let serialized: RsaPublicParts =
-                    trussed::postcard_deserialize(&tmp).map_err(|_err| {
-                        error!("Failed to parse RSA parts: {:?}", _err);
-                        Status::UnspecifiedNonpersistentExecutionError
-                    })?;
+                let serialized = RsaPublicParts::deserialize(&tmp).map_err(|_err| {
+                    error!("Failed to parse RSA parts: {:?}", _err);
+                    Status::UnspecifiedNonpersistentExecutionError
+                })?;
                 reply.expand(&[0x81])?;
                 reply.append_len(serialized.n.len())?;
                 reply.expand(serialized.n)?;