mirror of
https://github.com/denoland/deno.git
synced 2024-10-30 09:08:00 -04:00
130 lines
3.4 KiB
Rust
130 lines
3.4 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
|
|
use deno_core::error::type_error;
|
|
use deno_core::error::AnyError;
|
|
use deno_core::Resource;
|
|
use digest::Digest;
|
|
use digest::DynDigest;
|
|
use std::borrow::Cow;
|
|
use std::cell::RefCell;
|
|
use std::rc::Rc;
|
|
|
|
pub enum Hash {
|
|
Md4(Box<md4::Md4>),
|
|
Md5(Box<md5::Md5>),
|
|
Ripemd160(Box<ripemd::Ripemd160>),
|
|
Sha1(Box<sha1::Sha1>),
|
|
Sha224(Box<sha2::Sha224>),
|
|
Sha256(Box<sha2::Sha256>),
|
|
Sha384(Box<sha2::Sha384>),
|
|
Sha512(Box<sha2::Sha512>),
|
|
}
|
|
|
|
pub struct Context {
|
|
pub hash: Rc<RefCell<Hash>>,
|
|
}
|
|
|
|
impl Context {
|
|
pub fn new(algorithm: &str) -> Result<Self, AnyError> {
|
|
Ok(Self {
|
|
hash: Rc::new(RefCell::new(Hash::new(algorithm)?)),
|
|
})
|
|
}
|
|
|
|
pub fn update(&self, data: &[u8]) {
|
|
self.hash.borrow_mut().update(data);
|
|
}
|
|
|
|
pub fn digest(self) -> Result<Box<[u8]>, AnyError> {
|
|
let hash = Rc::try_unwrap(self.hash)
|
|
.map_err(|_| type_error("Hash context is already in use"))?;
|
|
|
|
let hash = hash.into_inner();
|
|
Ok(hash.digest_and_drop())
|
|
}
|
|
}
|
|
|
|
impl Clone for Context {
|
|
fn clone(&self) -> Self {
|
|
Self {
|
|
hash: Rc::new(RefCell::new(self.hash.borrow().clone())),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Resource for Context {
|
|
fn name(&self) -> Cow<str> {
|
|
"cryptoDigest".into()
|
|
}
|
|
}
|
|
|
|
use Hash::*;
|
|
|
|
impl Hash {
|
|
pub fn new(algorithm_name: &str) -> Result<Self, AnyError> {
|
|
Ok(match algorithm_name {
|
|
"md4" => Md4(Default::default()),
|
|
"md5" => Md5(Default::default()),
|
|
"ripemd160" => Ripemd160(Default::default()),
|
|
"sha1" => Sha1(Default::default()),
|
|
"sha224" => Sha224(Default::default()),
|
|
"sha256" => Sha256(Default::default()),
|
|
"sha384" => Sha384(Default::default()),
|
|
"sha512" => Sha512(Default::default()),
|
|
_ => return Err(type_error("unsupported algorithm")),
|
|
})
|
|
}
|
|
|
|
pub fn update(&mut self, data: &[u8]) {
|
|
match self {
|
|
Md4(context) => Digest::update(&mut **context, data),
|
|
Md5(context) => Digest::update(&mut **context, data),
|
|
Ripemd160(context) => Digest::update(&mut **context, data),
|
|
Sha1(context) => Digest::update(&mut **context, data),
|
|
Sha224(context) => Digest::update(&mut **context, data),
|
|
Sha256(context) => Digest::update(&mut **context, data),
|
|
Sha384(context) => Digest::update(&mut **context, data),
|
|
Sha512(context) => Digest::update(&mut **context, data),
|
|
};
|
|
}
|
|
|
|
pub fn digest_and_drop(self) -> Box<[u8]> {
|
|
match self {
|
|
Md4(context) => context.finalize(),
|
|
Md5(context) => context.finalize(),
|
|
Ripemd160(context) => context.finalize(),
|
|
Sha1(context) => context.finalize(),
|
|
Sha224(context) => context.finalize(),
|
|
Sha256(context) => context.finalize(),
|
|
Sha384(context) => context.finalize(),
|
|
Sha512(context) => context.finalize(),
|
|
}
|
|
}
|
|
|
|
pub fn get_hashes() -> Vec<&'static str> {
|
|
vec![
|
|
"md4",
|
|
"md5",
|
|
"ripemd160",
|
|
"sha1",
|
|
"sha224",
|
|
"sha256",
|
|
"sha384",
|
|
"sha512",
|
|
]
|
|
}
|
|
}
|
|
|
|
impl Clone for Hash {
|
|
fn clone(&self) -> Self {
|
|
match self {
|
|
Md4(_) => Md4(Default::default()),
|
|
Md5(_) => Md5(Default::default()),
|
|
Ripemd160(_) => Ripemd160(Default::default()),
|
|
Sha1(_) => Sha1(Default::default()),
|
|
Sha224(_) => Sha224(Default::default()),
|
|
Sha256(_) => Sha256(Default::default()),
|
|
Sha384(_) => Sha384(Default::default()),
|
|
Sha512(_) => Sha512(Default::default()),
|
|
}
|
|
}
|
|
}
|