hmac/
lib.rs

1// Overwrite intra-crate links
2//! [`Reset`]: digest::Reset
3//! [`Digest`]: digest::Digest
4//! [`FixedOutputReset`]: digest::FixedOutputReset
5//! [`Hmac`]: Hmac
6//! [`HmacReset`]: HmacReset
7//! [`SimpleHmac`]: SimpleHmac
8//! [`SimpleHmacReset`]: SimpleHmacReset
9//! [`block_api::HmacCore`]: block_api::HmacCore
10//! [`block_api::HmacResetCore`]: block_api::HmacResetCore
11
12#![no_std]
13#![doc = include_str!("../README.md")]
14#![doc(
15    html_logo_url = "https://raw.githubusercontent.com/RustCrypto/media/26acc39f/logo.svg",
16    html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/26acc39f/logo.svg"
17)]
18#![cfg_attr(docsrs, feature(doc_cfg))]
19
20pub use digest::{self, KeyInit, Mac, block_api::EagerHash};
21
22/// Block-level implementation.
23pub mod block_api;
24mod simple;
25mod simple_reset;
26mod utils;
27
28pub use simple::SimpleHmac;
29pub use simple_reset::SimpleHmacReset;
30
31use core::fmt;
32use digest::block_api::{AlgorithmName, CoreProxy};
33
34digest::buffer_fixed!(
35    /// Generic HMAC instance.
36    #[derive(Clone)]
37    pub struct Hmac<D: EagerHash>(block_api::HmacCore<D>);
38    impl: MacTraits KeyInit;
39);
40
41impl<D: EagerHash + AlgorithmName> AlgorithmName for Hmac<D> {
42    fn write_alg_name(f: &mut fmt::Formatter<'_>) -> fmt::Result {
43        <Self as CoreProxy>::Core::write_alg_name(f)
44    }
45}
46
47digest::buffer_fixed!(
48    /// Generic HMAC instance with reset support.
49    #[derive(Clone)]
50    pub struct HmacReset<D: EagerHash>(block_api::HmacResetCore<D>);
51    impl: ResetMacTraits KeyInit;
52);
53
54impl<D: EagerHash + AlgorithmName> AlgorithmName for HmacReset<D> {
55    fn write_alg_name(f: &mut fmt::Formatter<'_>) -> fmt::Result {
56        <Self as CoreProxy>::Core::write_alg_name(f)
57    }
58}