pruefungChecksums in pure Rust.
Add this crate to the Cargo.toml:
toml
[dependencies]
pruefung = "^0.1.0"
Check out the Sums section to see the minimal required version you need depending on the algorithm you wish to use.
All the checksums are implemented using the same logic as the [hashes] crate of
the [RustCrypto] project, implementing the [digest::Digest] and the
[core::hasher::Hasher] traits.
Then, to compute a hash, for instance a CRC32 (Ethernet standard):
```rust extern crate pruefung; use std::hash::Hasher;
let mut hasher = pruefung::crc32::CRC32(); // Instantiate a hasher let data = b"Hello, world !";
hasher.write(data); // Feed the hasher hasher.write("String data".as_bytes()); // (possibly multiple times)
let hash = hasher.finsh(); // Consume the hasher println!("Result: {:x}", hash) // print the result as native hex ```
Latest version of the crate implements the following checksums:
Algorithm | since
----------------------------------------------------------------- | -------
Adler32 | 0.1.0
BSD checksum | 0.1.0
CRC32 | 0.1.0
CRC32C | 0.1.0
Fletcher16 | 0.1.0
SysV checksum | 0.1.0
These checksums are NOT cryptographically secure. They should not be used for something else than data validation against accidental modifications: an attacker could easily forge a file to pass any of these checksums ! For secure checksums, look at the [hashes] implemented by the [RustCrypto] team.
pruefung ?I was in Switzerland when I started this project. Yet, I don't really speak
german. But a slug version of zyklische-redundanzprüfung seemed like a nice
name, instead of another checksum, cksum, checksums, crc, etc. crate.