secp256r1: add a from_bytes constructor

MystenLabs · Feb 24, 2024 · 3612056 · 3612056
1 parent afc80e5
commit 3612056
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/types/crypto/secp256r1.rs b/src/types/crypto/secp256r1.rs
@@ -64,6 +64,10 @@ impl Secp256r1PublicKey {
     pub const fn as_bytes(&self) -> &[u8] {
         &self.0
     }
+
+    pub fn from_bytes<T: AsRef<[u8]>>(bytes: T) -> Result<Self, std::array::TryFromSliceError> {
+        <[u8; Self::LENGTH]>::try_from(bytes.as_ref()).map(Self)
+    }
 }
 
 impl std::str::FromStr for Secp256r1PublicKey {
@@ -158,6 +162,10 @@ impl Secp256r1Signature {
     pub const fn as_bytes(&self) -> &[u8] {
         &self.0
     }
+
+    pub fn from_bytes<T: AsRef<[u8]>>(bytes: T) -> Result<Self, std::array::TryFromSliceError> {
+        <[u8; Self::LENGTH]>::try_from(bytes.as_ref()).map(Self)
+    }
 }
 
 impl std::str::FromStr for Secp256r1Signature {