//! Cryptographic primitives for EnvVault.
//!
//! This module provides:
//! - AES-256-GCM encryption and decryption (`encryption`)
//! - Argon2id password-based key derivation (`kdf`)
//! - HKDF-based per-secret key and HMAC key derivation (`keys`)
// Re-export the most commonly used items so callers can write:
// use crate::crypto::{encrypt, decrypt, derive_master_key, ...};
pub use ;
pub use ;
pub use ;
pub use ;