Rust implementation of CRC(16, 32, 64)
Add crc to Cargo.toml
[dependencies]
crc = "2.0"use crc::{Crc, Algorithm, CRC_16_IBM_SDLC, CRC_32_ISCSI};
pub const X25: Crc<u16> = Crc::<u16>::new(&CRC_16_IBM_SDLC);
pub const CASTAGNOLI: Crc<u32> = Crc::<u32>::new(&CRC_32_ISCSI);
assert_eq!(X25.checksum(b"123456789"), 0x906e);
assert_eq!(CASTAGNOLI.checksum(b"123456789"), 0xe3069283);
// use custom algorithm
const CUSTOM_ALG: Algorithm<u16> = Algorithm {
poly: 0x8005,
init: 0xffff,
refin: false,
refout: false,
xorout: 0x0000,
check: 0xaee7,
residue: 0x0000
};
let crc = Crc::<u16>::new(&CUSTOM_ALG);
let mut digest = crc.digest();
digest.update(b"123456789");
assert_eq!(digest.finalize(), 0xaee7);cargo bench with 2.6 GHz Intel Core i7. Comparison
crc16 time: [2.0082 ms 2.0206 ms 2.0367 ms]
thrpt: [468.25 MiB/s 471.96 MiB/s 474.89 MiB/s]
crc32 time: [1.7659 ms 1.7793 ms 1.7952 ms]
thrpt: [531.25 MiB/s 535.98 MiB/s 540.05 MiB/s]
crc64 time: [2.0655 ms 2.0803 ms 2.0973 ms]
thrpt: [454.71 MiB/s 458.43 MiB/s 461.72 MiB/s]
Licensed under either of
- Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT License (LICENSE-MIT or http://opensource.org/licenses/MIT)
at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.