md5: expose compression function (#735)

Author: TomAFrench

md5/CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## 0.11.0 (UNRELEASED)
 ### Added
 - `alloc` crate feature ([#678])
+- Expose compression function from the `block_api` module ([#735])
 
 ### Changed
 - Edition changed to 2024 and MSRV bumped to 1.85 ([#652])
@@ -24,6 +25,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [#652]: https://github.com/RustCrypto/hashes/pull/652
 [#678]: https://github.com/RustCrypto/hashes/pull/678
 [#716]: https://github.com/RustCrypto/hashes/pull/716
+[#735]: https://github.com/RustCrypto/hashes/pull/735
 
 ## 0.10.6 (2023-09-22)
 ### Added

md5/src/block_api.rs

@@ -10,7 +10,8 @@ use digest::{
     typenum::{U16, U24, U64, Unsigned},
 };
 
-use crate::{compress::compress, consts};
+pub use crate::compress::compress;
+use crate::consts;
 
 const STATE_LEN: usize = 4;
 

md5/src/compress.rs

@@ -12,6 +12,6 @@ cfg_if::cfg_if! {
 }
 
 /// MD5 compression function
-pub(crate) fn compress(state: &mut [u32; 4], blocks: &[[u8; 64]]) {
+pub fn compress(state: &mut [u32; 4], blocks: &[[u8; 64]]) {
     compress_inner(state, blocks)
 }