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use std::fs::File;
use std::io::Read;
use std::path::Path;
use crate::error::Error;
// Compute the sha256 hash of a bitstring.
pub fn sha256_hash(data: &[u8]) -> Box<[u8]> {
use sha2::Digest;
sha2::Sha256::digest(data).as_slice().into()
}
pub fn read_binary_file(path: impl AsRef<Path>) -> Result<Box<[u8]>, Error> {
let mut buffer = Vec::new();
File::open(path)?.read_to_end(&mut buffer)?;
Ok(buffer.into())
}
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