anubis-wormhole 1.0.0

A post-quantum secure file transfer tool based on the Magic Wormhole protocol.
Documentation 
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use crate::error::Result;

pub trait Kem {
    type PublicKey: AsRef<[u8]> + Clone;
    type SecretKey: AsRef<[u8]> + Clone;
    type Ciphertext: AsRef<[u8]> + Clone;
    type SharedSecret: AsRef<[u8]> + Clone;

    fn keypair(&self) -> (Self::PublicKey, Self::SecretKey);
    fn encapsulate(&self, pk: &Self::PublicKey) -> (Self::Ciphertext, Self::SharedSecret);
    fn decapsulate(&self, sk: &Self::SecretKey, ct: &Self::Ciphertext) -> Self::SharedSecret;
}

pub trait Signature {
    type PublicKey: AsRef<[u8]> + Clone;
    type SecretKey: AsRef<[u8]> + Clone;
    type Signature: AsRef<[u8]> + Clone;

    fn keypair(&self) -> (Self::PublicKey, Self::SecretKey);
    fn sign(&self, sk: &Self::SecretKey, msg: &[u8]) -> Self::Signature;
    fn verify(&self, pk: &Self::PublicKey, msg: &[u8], sig: &Self::Signature) -> bool;
}

pub trait Aead {
    type Key: AsRef<[u8]> + Clone;
    type Nonce: AsRef<[u8]> + Clone;

    fn seal(&self, key: &Self::Key, nonce: &Self::Nonce, aad: &[u8], plaintext: &[u8]) -> Result<Vec<u8>>;
    fn open(&self, key: &Self::Key, nonce: &Self::Nonce, aad: &[u8], ciphertext: &[u8]) -> Result<Vec<u8>>;
}

pub trait Hkdf {
    fn extract(salt: &[u8], ikm: &[u8]) -> Vec<u8>;
    fn expand(prk: &[u8], info: &[u8], len: usize) -> Vec<u8>;
}