Module types

Type-safe wrappers for cryptographic types

This module provides domain-specific types with compile-time and runtime guarantees for cryptographic operations, designed to be ergonomic while preventing common mistakes.

Re-exports

pub use digest::Digest;

pub use key::AsymmetricPublicKey;

pub use key::AsymmetricSecretKey;

pub use key::SymmetricKey;

pub use nonce::Nonce;

pub use salt::Salt;

pub use tag::Tag;

pub use nonce::AesCtrCompatible;

pub use nonce::AesGcmCompatible;

pub use nonce::ChaCha20Compatible;

pub use nonce::XChaCha20Compatible;

pub use salt::Argon2Compatible;

pub use salt::HkdfCompatible;

pub use salt::Pbkdf2Compatible;

pub use digest::Blake2bCompatible;

pub use digest::Sha256Compatible;

pub use digest::Sha512Compatible;

pub use tag::ChaCha20Poly1305Compatible;

pub use tag::GcmCompatible;

pub use tag::HmacCompatible;

pub use tag::Poly1305Compatible;

pub use algorithms::Ed25519;

pub use algorithms::P256;

pub use algorithms::P384;

pub use algorithms::P521;

pub use algorithms::X25519;

pub use algorithms::Aes128;

pub use algorithms::Aes256;

pub use algorithms::ChaCha20;

pub use algorithms::ChaCha20Poly1305;

pub use key::AsymmetricAlgorithm;

pub use key::SymmetricAlgorithm;

pub use algorithms::Aes128Key;

pub use algorithms::Aes256Key;

pub use algorithms::ChaCha20Key;

pub use algorithms::ChaCha20Poly1305Key;

pub use algorithms::Ed25519PublicKey;

pub use algorithms::Ed25519SecretKey;

pub use algorithms::P256PublicKeyCompressed;

pub use algorithms::P256PublicKeyUncompressed;

pub use algorithms::P256SecretKey;

pub use algorithms::P384PublicKeyCompressed;

pub use algorithms::P384PublicKeyUncompressed;

pub use algorithms::P384SecretKey;

pub use algorithms::P521PublicKeyCompressed;

pub use algorithms::P521PublicKeyUncompressed;

pub use algorithms::P521SecretKey;

pub use algorithms::X25519PublicKey;

pub use algorithms::X25519SecretKey;

Modules

algorithms

Algorithm definitions for type-safe cryptography

digest

Type-safe digest implementation with size guarantees

key

Type-safe key implementations with algorithm binding

nonce

Type-safe nonce implementation with generic size parameter

salt

Type-safe salt implementation with validation

tag

Type-safe authentication tag implementation with size guarantees

Structs

Ciphertext

Wrapper for ciphertext data

EphemeralSecret

Ephemeral secret that is automatically zeroized after use

Key

Base key type that provides secure memory handling

SecretBuffer

Fixed-size secret buffer that guarantees zeroization

SecretBytes

A fixed-size array of bytes that is securely zeroed when dropped

SecretVec

A variable-length vector of bytes that is securely zeroed when dropped

ZeroizeGuard

Guard type that ensures a value is zeroized when dropped

Traits

AlgorithmCompatible

Trait for types compatible with algorithms that have specific size requirements

ByteSerializable

Trait for types that can be serialized to a byte representation

ConstantTimeEq

Trait for cryptographic types with constant-time equality

FixedSize

Trait for types that have a fixed size

RandomGeneration

Trait for cryptographic types that can be randomly generated

SecureZeroingType

Trait for types that can be securely zeroed and cloned

ValidKeySize

Marker trait for validating symmetric key sizes for specific algorithms.

ValidPublicKeySize

Marker trait for validating asymmetric public key sizes for specific algorithms.

ValidSecretKeySize

Marker trait for validating asymmetric secret key sizes for specific algorithms.