Tiny Rust library to create deterministic hashes regardless of architecture. This library is no-std compatible and uses no allocations or dependencies.
The default core::hash::Hasher implementation ensures a platform dependant hashing of datastructures that use #[derive(Hash)]. Most notably by:
* using to_ne_bytes for u{8,16,32,64,128}.
* using the native bytelength of usize.
The DeterministicHasher of this library forces the use of to_le_bytes and casts usize to u64 regardless of your platform. Hence the hasher will be less efficient, but will be deterministic when using the same library in different architecture contexts. I use a common dataprotocol library both on ARM embedded systems, wasm and x64.
You can validate the operation of this library with cross by running:
bash
cargo install cross
cross test --target=x86_64-unknown-linux-gnu
cross test --target=aarch64-unknown-linux-gnu
cross test --target=arm-unknown-linux-gnueabihf