Function sha256 

pub fn sha256(data: &[u8]) -> [u8; 32]

Available on (crate features hash-blake3 or hash-sha2) and crate feature hash-sha2 only.

Compute a 32-byte SHA-256 digest of data.

Example

use crypt_io::hash;
let d = hash::sha256(b"abc");
assert_eq!(d.len(), 32);