tink_aead/
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//! Provides implementations of the AEAD primitive.
18//!
19//! AEAD encryption assures the confidentiality and authenticity of the data. This primitive is CPA
20//! secure.
21
22#![deny(broken_intra_doc_links)]
23
24use std::sync::Once;
25use tink_core::registry::register_key_manager;
26
27mod aead_factory;
28pub use aead_factory::*;
29mod aead_key_templates;
30pub use aead_key_templates::*;
31mod aes_ctr_hmac_aead_key_manager;
32pub use aes_ctr_hmac_aead_key_manager::*;
33mod aes_gcm_key_manager;
34pub use aes_gcm_key_manager::*;
35mod aes_gcm_siv_key_manager;
36pub use aes_gcm_siv_key_manager::*;
37mod chacha20poly1305_key_manager;
38pub use chacha20poly1305_key_manager::*;
39mod kms_envelope_aead;
40pub use kms_envelope_aead::*;
41mod kms_envelope_aead_key_manager;
42pub use kms_envelope_aead_key_manager::*;
43mod xchacha20poly1305_key_manager;
44pub use xchacha20poly1305_key_manager::*;
45
46pub mod subtle;
47
48/// The [upstream Tink](https://github.com/google/tink) version that this Rust
49/// port is based on.
50pub const UPSTREAM_VERSION: &str = "1.6.0";
51
52static INIT: Once = Once::new();
53
54/// Initialize the `tink-aead` crate, registering its primitives so they are available via
55/// tink-core.
56pub fn init() {
57    INIT.call_once(|| {
58        register_key_manager(std::sync::Arc::new(AesCtrHmacAeadKeyManager::default()))
59            .expect("tink_aead::init() failed"); // safe: init
60        register_key_manager(std::sync::Arc::new(AesGcmKeyManager::default()))
61            .expect("tink_aead::init() failed"); // safe: init
62        register_key_manager(std::sync::Arc::new(AesGcmSivKeyManager::default()))
63            .expect("tink_aead::init() failed"); // safe: init
64        register_key_manager(std::sync::Arc::new(ChaCha20Poly1305KeyManager::default()))
65            .expect("tink_aead::init() failed"); // safe: init
66        register_key_manager(std::sync::Arc::new(XChaCha20Poly1305KeyManager::default()))
67            .expect("tink_aead::init() failed"); // safe: init
68        register_key_manager(std::sync::Arc::new(KmsEnvelopeAeadKeyManager::default()))
69            .expect("tink_aead::init() failed"); // safe:init
70
71        tink_core::registry::register_template_generator("AES128_GCM", aes128_gcm_key_template);
72        tink_core::registry::register_template_generator("AES256_GCM", aes256_gcm_key_template);
73        tink_core::registry::register_template_generator(
74            "AES256_GCM_NO_PREFIX",
75            aes256_gcm_no_prefix_key_template,
76        );
77        tink_core::registry::register_template_generator(
78            "AES128_GCM_SIV",
79            aes128_gcm_siv_key_template,
80        );
81        tink_core::registry::register_template_generator(
82            "AES256_GCM_SIV",
83            aes256_gcm_siv_key_template,
84        );
85        tink_core::registry::register_template_generator(
86            "AES256_GCM_SIV_NO_PREFIX",
87            aes256_gcm_siv_no_prefix_key_template,
88        );
89        tink_core::registry::register_template_generator(
90            "AES128_CTR_HMAC_SHA256",
91            aes128_ctr_hmac_sha256_key_template,
92        );
93        tink_core::registry::register_template_generator(
94            "AES256_CTR_HMAC_SHA256",
95            aes256_ctr_hmac_sha256_key_template,
96        );
97        tink_core::registry::register_template_generator(
98            "CHACHA20_POLY1305",
99            cha_cha20_poly1305_key_template,
100        );
101        tink_core::registry::register_template_generator(
102            "XCHACHA20_POLY1305",
103            x_cha_cha20_poly1305_key_template,
104        );
105    });
106}