1 //! Simple wrapper around various hash options to provide a single enum which can calculate
4 use bitcoin_hashes::Hash;
5 use bitcoin_hashes::HashEngine as _;
6 use bitcoin_hashes::sha1::Hash as Sha1;
7 use bitcoin_hashes::sha256::Hash as Sha256;
8 use bitcoin_hashes::sha384::Hash as Sha384;
9 use bitcoin_hashes::sha512::Hash as Sha512;
11 pub(crate) enum Hasher {
12 Sha1(<Sha1 as Hash>::Engine),
13 Sha256(<Sha256 as Hash>::Engine),
14 Sha384(<Sha384 as Hash>::Engine),
16 Sha512(<Sha512 as Hash>::Engine),
19 pub(crate) enum HashResult {
26 impl AsRef<[u8]> for HashResult {
27 fn as_ref(&self) -> &[u8] {
29 HashResult::Sha1(hash) => hash.as_ref(),
30 HashResult::Sha256(hash) => hash.as_ref(),
31 HashResult::Sha384(hash) => hash.as_ref(),
32 HashResult::Sha512(hash) => hash.as_ref(),
38 pub(crate) fn sha1() -> Hasher { Hasher::Sha1(Sha1::engine()) }
39 pub(crate) fn sha256() -> Hasher { Hasher::Sha256(Sha256::engine()) }
40 pub(crate) fn sha384() -> Hasher { Hasher::Sha384(Sha384::engine()) }
42 pub(crate) fn sha512() -> Hasher { Hasher::Sha512(Sha512::engine()) }
44 pub(crate) fn update(&mut self, buf: &[u8]) {
46 Hasher::Sha1(hasher) => hasher.input(buf),
47 Hasher::Sha256(hasher) => hasher.input(buf),
48 Hasher::Sha384(hasher) => hasher.input(buf),
49 Hasher::Sha512(hasher) => hasher.input(buf),
53 pub(crate) fn finish(self) -> HashResult {
55 Hasher::Sha1(hasher) => HashResult::Sha1(Sha1::from_engine(hasher)),
56 Hasher::Sha256(hasher) => HashResult::Sha256(Sha256::from_engine(hasher)),
57 Hasher::Sha384(hasher) => HashResult::Sha384(Sha384::from_engine(hasher)),
58 Hasher::Sha512(hasher) => HashResult::Sha512(Sha512::from_engine(hasher)),