Add wrapper types for hashers

tari-project · Aug 9, 2023 · 7bcb57e · 7bcb57e
1 parent 5d8b7f0
commit 7bcb57e
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/src/hashing.rs b/src/hashing.rs
@@ -47,6 +47,12 @@ use crate::{
     keys::SecretKey,
 };
 
+/// Wrapper type for 256-bit `Blake2` hasher
+pub type Blake2b256 = Blake2b<U32>;
+
+/// Wrapper type for 512-bit `Blake2` hasher
+pub type Blake2b512 = Blake2b<U64>;
+
 /// The `DomainSeparation` trait is used to inject domain separation tags into the [`DomainSeparatedHasher`] in a
 /// way that can be applied consistently, but without hard-coding anything into the hasher itself.
 ///
@@ -418,9 +424,9 @@ impl LengthExtensionAttackResistant for Blake2bVar {}
 
 impl LengthExtensionAttackResistant for Sha3_256 {}
 
-impl LengthExtensionAttackResistant for Blake2b<U32> {}
+impl LengthExtensionAttackResistant for Blake2b256 {}
 
-impl LengthExtensionAttackResistant for Blake2b<U64> {}
+impl LengthExtensionAttackResistant for Blake2b512 {}
 
 //------------------------------------------------    HMAC  ------------------------------------------------------------
 /// A domain separation tag for use in MAC derivation algorithms.