From 2787151e1dda0ad7e49c2c412737e12ef71a9d3a Mon Sep 17 00:00:00 2001
From: daxpedda <daxpedda@gmail.com>
Date: Tue, 31 Jan 2023 23:19:48 +0100
Subject: [PATCH] Update `curve25519-dalek` (#94)

---
 Cargo.toml             | 3 ++-
 src/group/ristretto.rs | 5 +----
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index f204b95..1c6b116 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,8 +21,9 @@ serde = ["generic-array/serde", "serde_"]
 std = ["alloc"]
 
 [dependencies]
-curve25519-dalek = { version = "=4.0.0-pre.5", default-features = false, features = [
+curve25519-dalek = { version = "=4.0.0-rc.0", default-features = false, features = [
   "rand_core",
+  "zeroize",
 ], optional = true }
 derive-where = { version = "1", features = ["zeroize-on-drop"] }
 digest = "0.10"
diff --git a/src/group/ristretto.rs b/src/group/ristretto.rs
index d2eb03e..591ad4e 100644
--- a/src/group/ristretto.rs
+++ b/src/group/ristretto.rs
@@ -86,11 +86,8 @@ impl Group for Ristretto255 {
     }
 
     fn deserialize_elem(element_bits: &[u8]) -> Result<Self::Elem> {
-        if element_bits.len() != 32 {
-            return Err(Error::Deserialization);
-        }
-
         CompressedRistretto::from_slice(element_bits)
+            .map_err(|_| Error::Deserialization)?
             .decompress()
             .filter(|point| point != &RistrettoPoint::identity())
             .ok_or(Error::Deserialization)