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introduce traits for all the primitives and algorithms. A bit more cleanup.

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This commit is contained in:
Jan Winkelmann (keks)
2025-02-26 17:19:58 +01:00
parent 949a3e4d23
commit b84e0beae8
29 changed files with 469 additions and 177 deletions
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55
ciphers/src/lib.rs
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@@ -1,11 +1,12 @@
use rosenpass_cipher_traits::primitives::Aead as _;
use static_assertions::const_assert;
pub mod subtle;
/// All keyed primitives in this crate use 32 byte keys
pub const KEY_LEN: usize = 32;
const_assert!(KEY_LEN == aead::KEY_LEN);
const_assert!(KEY_LEN == xaead::KEY_LEN);
const_assert!(KEY_LEN == Aead::KEY_LEN);
const_assert!(KEY_LEN == XAead::KEY_LEN);
const_assert!(KEY_LEN == hash_domain::KEY_LEN);
/// Keyed hashing
@@ -13,40 +14,30 @@ const_assert!(KEY_LEN == hash_domain::KEY_LEN);
/// This should only be used for implementation details; anything with relevance
/// to the cryptographic protocol should use the facilities in [hash_domain], (though
/// hash domain uses this module internally)
pub use crate::subtle::keyed_hash;
pub use crate::subtle::keyed_hash::KeyedHash;
/// Authenticated encryption with associated data
/// Authenticated encryption with associated data (AEAD)
/// Chacha20poly1305 is used.
pub mod aead {
#[cfg(feature = "experiment_libcrux")]
pub use crate::subtle::libcrux::chacha20poly1305_ietf::{
decrypt, encrypt, KEY_LEN, NONCE_LEN, TAG_LEN,
};
#[cfg(feature = "experiment_libcrux")]
pub use subtle::libcrux::chacha20poly1305_ietf::Chacha20poly1305 as Aead;
#[cfg(not(feature = "experiment_libcrux"))]
pub use crate::subtle::rust_crypto::chacha20poly1305_ietf::{
decrypt, encrypt, KEY_LEN, NONCE_LEN, TAG_LEN,
};
}
/// Authenticated encryption with associated data (AEAD)
/// Chacha20poly1305 is used.
#[cfg(not(feature = "experiment_libcrux"))]
pub use crate::subtle::rust_crypto::chacha20poly1305_ietf::ChaCha20Poly1305 as Aead;
/// Authenticated encryption with associated data with a constant nonce
/// Authenticated encryption with associated data with a extended-length nonce (XAEAD)
/// XChacha20poly1305 is used.
pub mod xaead {
pub use crate::subtle::rust_crypto::xchacha20poly1305_ietf::{
decrypt, encrypt, KEY_LEN, NONCE_LEN, TAG_LEN,
};
}
pub use crate::subtle::rust_crypto::xchacha20poly1305_ietf::XChaCha20Poly1305 as XAead;
/// Use Classic-McEcliece-460986 as the Static KEM.
///
/// See [rosenpass_oqs::ClassicMceliece460896] for more details.
pub use rosenpass_oqs::ClassicMceliece460896 as StaticKem;
/// Use Kyber-512 as the Static KEM
///
/// See [rosenpass_oqs::Kyber512] for more details.
pub use rosenpass_oqs::Kyber512 as EphemeralKem;
pub mod hash_domain;
/// This crate includes two key encapsulation mechanisms.
/// Namely ClassicMceliece460896 (also referred to as `StaticKem` sometimes) and
/// Kyber512 (also referred to as `EphemeralKem` sometimes).
///
/// See [rosenpass_oqs::ClassicMceliece460896]
/// and [rosenpass_oqs::Kyber512] for more details on the specific KEMS.
///
pub mod kem {
pub use rosenpass_oqs::ClassicMceliece460896 as StaticKem;
pub use rosenpass_oqs::Kyber512 as EphemeralKem;
}