tink_prf/
lib.rs

1// Copyright 2020 The Tink-Rust Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14//
15////////////////////////////////////////////////////////////////////////////////
16
17//! This crate provides implementations of the [`tink_core::Prf`] primitive.
18
19#![deny(broken_intra_doc_links)]
20
21use std::sync::Once;
22use tink_core::registry::register_key_manager;
23
24mod aes_cmac_prf_key_manager;
25pub use aes_cmac_prf_key_manager::*;
26mod hkdf_prf_key_manager;
27pub use hkdf_prf_key_manager::*;
28mod hmac_prf_key_manager;
29pub use hmac_prf_key_manager::*;
30mod key_templates;
31pub use key_templates::*;
32mod set_factory;
33pub use set_factory::*;
34
35pub mod subtle;
36
37/// The [upstream Tink](https://github.com/google/tink) version that this Rust
38/// port is based on.
39pub const UPSTREAM_VERSION: &str = "1.6.0";
40
41static INIT: Once = Once::new();
42
43/// Initialize the `tink-prf` crate, registering its primitives so they are available via
44/// Tink.
45pub fn init() {
46    INIT.call_once(|| {
47        register_key_manager(std::sync::Arc::new(HmacPrfKeyManager))
48            .expect("tink_prf::init() failed"); // safe: init
49        register_key_manager(std::sync::Arc::new(HkdfPrfKeyManager))
50            .expect("tink_prf::init() failed"); // safe: init
51        register_key_manager(std::sync::Arc::new(AesCmacPrfKeyManager))
52            .expect("tink_prf::init() failed"); // safe: init
53
54        tink_core::registry::register_template_generator(
55            "HKDF_SHA256",
56            hkdf_sha256_prf_key_template,
57        );
58        tink_core::registry::register_template_generator(
59            "HMAC_SHA256_PRF",
60            hmac_sha256_prf_key_template,
61        );
62        tink_core::registry::register_template_generator(
63            "HMAC_SHA512_PRF",
64            hmac_sha512_prf_key_template,
65        );
66        tink_core::registry::register_template_generator("AES_CMAC_PRF", aes_cmac_prf_key_template);
67    });
68}
tink_prf/lib.rs

tink_prf/
lib.rs
