feat: re-export winter-crypto Hasher, Digest & ElementHasher

This commit introduces the re-export of the listed primitives.

They will be used inside Miden to report the security level of the
picked primitive, as well as other functionality.

closes #72

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.1.4 (2023-02-22)
+
+- Re-export winter-crypto Hasher, Digest & ElementHasher (#72)
+
 ## 0.1.3 (2023-02-20)
 
 - Updated Winterfell dependency to v0.5.1 (#68)

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "miden-crypto"
-version = "0.1.3"
-description = "Miden Cryptographic primitives"
+version = "0.1.5"
+description="Miden Cryptographic primitives"
 authors = ["miden contributors"]
 readme = "README.md"
 license = "MIT"

src/hash/blake/mod.rs

@@ -78,6 +78,7 @@ impl Digest for Blake3Digest {
 // ================================================================================================
 
 /// 256-bit output blake3 hasher.
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub struct Blake3_256;
 
 impl Hasher for Blake3_256 {
@@ -141,6 +142,7 @@ impl Blake3_256 {
 // ================================================================================================
 
 /// 192-bit output blake3 hasher.
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub struct Blake3_192;
 
 impl Hasher for Blake3_192 {
@@ -204,6 +206,7 @@ impl Blake3_192 {
 // ================================================================================================
 
 /// 160-bit output blake3 hasher.
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub struct Blake3_160;
 
 impl Hasher for Blake3_160 {

src/hash/mod.rs

@@ -1,5 +1,9 @@
 use super::{Felt, FieldElement, StarkField, ONE, ZERO};
-use winter_crypto::{Digest, ElementHasher, Hasher};
 
 pub mod blake;
 pub mod rpo;
+
+// RE-EXPORTS
+// ================================================================================================
+
+pub use winter_crypto::{Digest, ElementHasher, Hasher};

src/hash/rpo/mod.rs

@@ -88,6 +88,7 @@ const INV_ALPHA: u64 = 10540996611094048183;
 /// to deserialize them into field elements and then hash them using
 /// [hash_elements()](Rpo256::hash_elements) function rather then hashing the serialized bytes
 /// using [hash()](Rpo256::hash) function.
+#[derive(Debug, Copy, Clone, Eq, PartialEq)]
 pub struct Rpo256();
 
 impl Hasher for Rpo256 {

src/lib.rs

@@ -11,9 +11,7 @@ pub mod merkle;
 // ================================================================================================
 
 pub use winter_crypto::{RandomCoin, RandomCoinError};
-
 pub use winter_math::{fields::f64::BaseElement as Felt, FieldElement, StarkField};
-
 pub mod utils {
     pub use winter_utils::{
         collections, string, uninit_vector, ByteReader, ByteWriter, Deserializable,