From 390a0f61043e2dee9c3f814a6145fde4d7db716c Mon Sep 17 00:00:00 2001
From: Robin Krahl <robin@nitrokey.com>
Date: Thu, 2 Mar 2023 17:58:37 +0100
Subject: [PATCH 1/2] Update serde-byte-array

---
 Cargo.toml          | 2 +-
 src/backend/data.rs | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index d03d0ec..3a29443 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ description = "Authentication extension and backend for Trussed"
 
 [dependencies]
 serde = { version = "1", default-features = false }
-serde-byte-array = "0.1.0"
+serde-byte-array = "0.1.2"
 sha2 = { version = "0.10.6", default-features = false }
 subtle = { version = "2.4.1", default-features = false }
 trussed = { git = "https://github.com/trussed-dev/trussed", rev = "1c55b3b2dd6a9e1cfc55758635baf0d0bbf387d1", features = ["serde-extensions"] }
diff --git a/src/backend/data.rs b/src/backend/data.rs
index c574fb8..1b9947c 100644
--- a/src/backend/data.rs
+++ b/src/backend/data.rs
@@ -113,8 +113,8 @@ impl<'a> PinDataMut<'a> {
             return false;
         }
         let success = hash(self.id, pin, &self.salt)
-            .as_ref()
-            .ct_eq(self.hash.as_ref())
+            .as_slice()
+            .ct_eq(self.hash.as_slice())
             .into();
         if let Some(retries) = &mut self.data.retries {
             if success {
@@ -173,7 +173,7 @@ fn hash(id: PinId, pin: &Pin, salt: &Salt) -> Hash {
     digest.update([u8::from(id)]);
     digest.update([pin_len(pin)]);
     digest.update(pin);
-    digest.update(salt.as_ref());
+    digest.update(salt);
     Hash::new(digest.finalize().into())
 }
 

From d01a95cc5704f2fe37bb4fcef3bab913331af2c4 Mon Sep 17 00:00:00 2001
From: Robin Krahl <robin@nitrokey.com>
Date: Thu, 2 Mar 2023 17:59:50 +0100
Subject: [PATCH 2/2] Flatten backend directory

To save blocks in the filesystem, flatten the directory hierarchy by
changing the backend directory from backend/auth to backend-auth.
---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index f25d2da..57e0f1b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -80,7 +80,7 @@ pub const MAX_PIN_LENGTH: usize = MAX_SHORT_DATA_LENGTH;
 /// A PIN.
 pub type Pin = Bytes<MAX_PIN_LENGTH>;
 
-const PIN_PATH: &str = "backend/auth/pin";
+const PIN_PATH: &str = "backend-auth/pin";
 
 /// The ID of a PIN within the namespace of a client.
 ///