bitwarden_core/auth/
tde.rs

1use bitwarden_crypto::{
2    DeviceKey, EncString, Kdf, PublicKey, SpkiPublicKeyBytes, SymmetricCryptoKey,
3    TrustDeviceResponse, UnsignedSharedKey, UserKey,
4};
5use bitwarden_encoding::B64;
6
7use crate::{
8    Client, client::encryption_settings::EncryptionSettingsError,
9    key_management::account_cryptographic_state::WrappedAccountCryptographicState,
10};
11
12/// This function generates a new user key and key pair, initializes the client's crypto with the
13/// generated user key, and encrypts the user key with the organization public key for admin
14/// password reset. If remember_device is true, it also generates a device key.
15pub(super) fn make_register_tde_keys(
16    client: &Client,
17    email: String,
18    org_public_key: B64,
19    remember_device: bool,
20) -> Result<RegisterTdeKeyResponse, EncryptionSettingsError> {
21    let public_key = PublicKey::from_der(&SpkiPublicKeyBytes::from(&org_public_key))?;
22
23    let user_key = UserKey::new(SymmetricCryptoKey::make_aes256_cbc_hmac_key());
24    let key_pair = user_key.make_key_pair()?;
25
26    #[expect(deprecated)]
27    let admin_reset = UnsignedSharedKey::encapsulate_key_unsigned(&user_key.0, &public_key)?;
28
29    let device_key = if remember_device {
30        Some(DeviceKey::trust_device(&user_key.0)?)
31    } else {
32        None
33    };
34
35    client.internal.initialize_user_crypto_decrypted_key(
36        user_key.0,
37        // TODO (https://bitwarden.atlassian.net/browse/PM-21771) Signing keys are not supported on registration yet. This needs to be changed as
38        // soon as registration is supported.
39        WrappedAccountCryptographicState::V1 {
40            private_key: key_pair.private.clone(),
41        },
42        &None,
43    )?;
44
45    client
46        .internal
47        .set_login_method(crate::client::LoginMethod::User(
48            crate::client::UserLoginMethod::Username {
49                client_id: "".to_owned(),
50                email,
51                kdf: Kdf::default_pbkdf2(),
52            },
53        ));
54
55    Ok(RegisterTdeKeyResponse {
56        private_key: key_pair.private,
57        public_key: key_pair.public,
58
59        admin_reset,
60        device_key,
61    })
62}
63
64#[allow(missing_docs)]
65#[cfg_attr(feature = "uniffi", derive(uniffi::Record))]
66pub struct RegisterTdeKeyResponse {
67    pub private_key: EncString,
68    pub public_key: B64,
69
70    pub admin_reset: UnsignedSharedKey,
71    pub device_key: Option<TrustDeviceResponse>,
72}
bitwarden_core/auth/tde.rs

bitwarden_core/auth/
tde.rs
