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pub mod easy_hasher {
type _Byte = u8;
type _Data = Vec<_Byte>;
type _Input<'a> = &'a String;
use sha3::Digest;
use sha1::Sha1;
use std::borrow::Borrow;
mod filedata {
use std::fs;
use std::io::Read;
use crate::easy_hasher::_Data;
pub(crate) struct FileData {
fp: fs::File,
fm: fs::Metadata,
}
impl FileData {
pub fn open<P: AsRef<std::path::Path>>(p: P) -> Result<FileData, String> {
let _fp = fs::File::open(p);
let _file: fs::File;
match _fp {
Ok(f) => _file = f,
Err(e) => return Err(e.to_string())
};
let _fm = _file.metadata();
let _meta: fs::Metadata;
match _fm {
Ok(m) => _meta = m,
Err(e) => return Err(e.to_string())
}
Ok(
FileData {
fp: _file,
fm: _meta,
}
)
}
pub fn to_vec(mut self) -> Result<_Data, String> {
let mut vec = vec![0; self.fm.len() as usize];
let _res = self.fp.read(&mut vec);
match _res {
Ok(r) => if vec.len() == r {
Ok(vec)
} else {
Err("error reading from file".to_string())
},
Err(e) => Err(e.to_string()),
}
}
#[allow(dead_code)]
pub fn file(self) -> fs::File {
self.fp
}
#[allow(dead_code)]
pub fn metadata(self) -> fs::Metadata {
self.fm
}
}
}
pub struct Hash {
hash: _Data,
length: usize
}
impl Hash {
pub fn hex_string(data: &_Data) -> String {
data
.iter()
.map(|byte| format!("{:02x}", byte))
.collect()
}
pub fn from_vec(data: &_Data) -> Hash {
Hash {
hash: data.clone(),
length: data.len()
}
}
pub fn to_hex_string(&self) -> String {
Hash::hex_string(&self.hash)
}
pub fn to_vec(&self) -> _Data {
self.hash.clone()
}
pub fn len(&self) -> usize {
self.length
}
}
fn sha3<T>(mut hasher: T, data: _Data) -> Hash where T: Digest {
hasher.input(data.as_slice());
let result = hasher
.result()
.to_vec();
Hash::from_vec(&result)
}
fn sha(data: _Data) -> Hash {
let mut hasher = Sha1::new();
hasher.update(data.as_slice());
let result = hasher
.digest()
.bytes()
.to_vec();
Hash::from_vec(&result)
}
fn md2n<T>(mut hasher: T, data: _Data) -> Hash where T: Digest {
hasher.input(data.as_slice());
let result = hasher
.result()
.to_vec();
Hash::from_vec(&result)
}
pub fn param_crc8(data: _Data, poly: u8, init: u8) -> Hash {
let mut crc8 = crc8::Crc8::create_msb(poly);
let result = vec![crc8.calc(data.as_slice(), data.len() as i32, init)];
Hash::from_vec(&result)
}
pub fn file_hash(hasher: fn(_Data) -> Hash, filename: _Input) -> Result<Hash, String> {
use filedata::*;
let rfd = FileData::open(filename);
let fd: FileData;
match rfd {
Ok(data) => {
fd = data
},
Err(e) => {
println!("{}", e);
return Err(e)
},
}
let rcont = fd.to_vec();
let cont: _Data;
match rcont {
Ok(bytes) => cont = bytes,
Err(e) => return Err(e),
}
Ok(hasher(cont))
}
pub fn file_crc8(filename: _Input) -> Result<Hash, String> {
file_hash(raw_crc8, filename)
}
pub fn file_crc16(filename: _Input) -> Result<Hash, String> {
file_hash(raw_crc16, filename)
}
pub fn file_crc32(filename: _Input) -> Result<Hash, String> {
file_hash(raw_crc32, filename)
}
pub fn file_crc64(filename: _Input) -> Result<Hash, String> {
file_hash(raw_crc64, filename)
}
pub fn file_md2(filename: _Input) -> Result<Hash, String> {
file_hash(raw_md2, filename)
}
pub fn file_md4(filename: _Input) -> Result<Hash, String> {
file_hash(raw_md4, filename)
}
pub fn file_md5(filename: _Input) -> Result<Hash, String> {
file_hash(raw_md5, filename)
}
pub fn file_sha1(filename: _Input) -> Result<Hash, String> {
file_hash(raw_sha1, filename)
}
pub fn file_sha224(filename: _Input) -> Result<Hash, String> {
file_hash(raw_sha224, filename)
}
pub fn file_sha256(filename: String) -> Result<Hash, String> {
file_hash(raw_sha256, filename.borrow())
}
pub fn file_sha384(filename: _Input) -> Result<Hash, String> {
file_hash(raw_sha384, filename)
}
pub fn file_sha512(filename: _Input) -> Result<Hash, String> {
file_hash(raw_sha512, filename)
}
pub fn file_sha3_224(filename: _Input) -> Result<Hash, String> {
file_hash(raw_sha3_224, filename)
}
pub fn file_sha3_256(filename: _Input) -> Result<Hash, String> {
file_hash(raw_sha3_256, filename)
}
pub fn file_sha3_384(filename: _Input) -> Result<Hash, String> {
file_hash(raw_sha3_384, filename)
}
pub fn file_sha3_512(filename: _Input) -> Result<Hash, String> {
file_hash(raw_sha3_512, filename)
}
pub fn raw_crc8(d: _Data) -> Hash {
param_crc8(d, 0x7, 0x0)
}
pub fn raw_crc16(d: _Data) -> Hash {
let result = crc16::State::<crc16::ARC>::calculate(d.as_slice())
.to_be_bytes()
.to_vec()
.clone();
Hash::from_vec(&result)
}
pub fn raw_crc32(d: _Data) -> Hash {
let result = crc::crc32::checksum_ieee(d.as_slice())
.to_be_bytes()
.to_vec()
.clone();
Hash::from_vec(&result)
}
pub fn raw_crc64(d: _Data) -> Hash {
let result = crc::crc64::checksum_ecma(d.as_slice())
.to_be_bytes()
.to_vec()
.clone();
Hash::from_vec(&result)
}
pub fn raw_md2(d: _Data) -> Hash {
use md2::Md2;
md2n(Md2::new(), d)
}
pub fn raw_md4(d: _Data) -> Hash {
use md4::Md4;
md2n(Md4::new(), d)
}
pub fn raw_md5(d: _Data) -> Hash {
let result = md5::compute(d)
.0
.to_vec();
Hash::from_vec(&result)
}
pub fn raw_sha1(d: _Data) -> Hash {
sha(d)
}
pub fn raw_sha224(d: _Data) -> Hash {
sha3(sha2::Sha224::new(), d)
}
pub fn raw_sha256(d: _Data) -> Hash {
sha3(sha2::Sha256::new(), d)
}
pub fn raw_sha384(d: _Data) -> Hash {
sha3(sha2::Sha384::new(), d)
}
pub fn raw_sha512(d: _Data) -> Hash {
sha3(sha2::Sha512::new(), d)
}
pub fn raw_sha3_224(d: _Data) -> Hash {
sha3(sha3::Sha3_224::new(), d)
}
pub fn raw_sha3_256(d: _Data) -> Hash {
sha3(sha3::Sha3_256::new(), d)
}
pub fn raw_sha3_384(d: _Data) -> Hash {
sha3(sha3::Sha3_384::new(), d)
}
pub fn raw_sha3_512(d: _Data) -> Hash {
sha3(sha3::Sha3_512::new(), d)
}
pub fn crc8(s: _Input) -> Hash {
raw_crc8(s.clone().into_bytes())
}
pub fn crc16(s: _Input) -> Hash {
raw_crc16(s.clone().into_bytes())
}
pub fn crc32(s: _Input) -> Hash {
raw_crc32(s.clone().into_bytes())
}
pub fn crc64(s: _Input) -> Hash {
raw_crc64(s.clone().into_bytes())
}
pub fn md2(s: _Input) -> Hash {
raw_md2(s.clone().into_bytes())
}
pub fn md4(s: _Input) -> Hash {
raw_md4(s.clone().into_bytes())
}
pub fn md5(s: _Input) -> Hash {
raw_md5(s.clone().into_bytes())
}
pub fn sha1(s: _Input) -> Hash {
raw_sha1(s.clone().into_bytes())
}
pub fn sha224(s: _Input) -> Hash {
raw_sha224(s.clone().into_bytes())
}
pub fn sha256(s: _Input) -> Hash {
raw_sha256(s.clone().into_bytes())
}
pub fn sha384(s: _Input) -> Hash {
raw_sha384(s.clone().into_bytes())
}
pub fn sha512(s: _Input) -> Hash {
raw_sha512(s.clone().into_bytes())
}
pub fn sha3_224(s: _Input) -> Hash {
raw_sha3_224(s.clone().into_bytes())
}
pub fn sha3_256(s: _Input) -> Hash {
raw_sha3_256(s.clone().into_bytes())
}
pub fn sha3_384(s: _Input) -> Hash {
raw_sha3_384(s.clone().into_bytes())
}
pub fn sha3_512(s: _Input) -> Hash {
raw_sha3_512(s.clone().into_bytes())
}
}