crc32c

Last update: 22/08/2025

crc32c

Fast CRC-32-Castagnoli implementation in Rust

Latest version: 0.6.8

Maintenance score

Safety score

100

Popularity score

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Security

	Vulnerabilities
Version	Suggest	Low	Medium	High	Critical

0.6.8	0	0	0	0	0
0.6.7	0	0	0	0	0
0.6.6	0	0	0	0	0
0.6.5	0	0	0	0	0
0.6.4	0	0	0	0	0
0.6.3	0	0	0	0	0
0.6.2	0	0	0	0	0
0.6.1	0	0	0	0	0
0.6.0	0	0	0	0	0
0.5.0	0	0	0	0	0
0.4.0	0	0	0	0	0
0.3.1	0	0	0	0	0
0.3.0	0	0	0	0	0
0.2.0	0	0	0	0	0
0.1.1	0	0	0	0	0
0.1.0	0	0	0	0	0

Stability

Latest release:

0.6.8 - This version is safe to use because it has no known security vulnerabilities at this time. Find out if your coding project uses this component and get notified of any reported security vulnerabilities with Meterian-X Open Source Security Platform

Licensing

Maintain your licence declarations and avoid unwanted licences to protect your IP the way you intended.

Apache-2.0 - Apache License 2.0

Not a wildcard

Not proprietary

OSI Compliant

MIT - MIT License

Not a wildcard

Not proprietary

OSI Compliant

CRC32C

Rust implementation of the CRC-32-Castagnoli algorithm with hardware acceleration where possible.

Hardware acceleration on the following architectures:

x84-64 with SSE 4.2
- All stable versions of Rust
- If SSE 4.2 is enabled at compile time, it will only build the SSE implementation. Otherwise, the cpuid is used to find the best implementation at runtime.
aarch64 with crc feature
- Only available on rust version >= 1.80.0 or nightly

All other processors utilize a software fallback.

Usage

First, add this to your Cargo.toml:

[dependencies]
crc32c = "0.6"

extern crate crc32c;

fn main() {
    let message = b"Hello world!";
    let crc = crc32c::crc32c(message);

    println!("hash = {}", crc);
}

License

You may use this code under either the Apache 2.0 license or the MIT license, at your option.