Struct RustCrypto 

pub struct RustCrypto { /* private fields */ }

The type that implements

• key generation
• AEAD encryption & decryption
• signing & signature verification
• HPKE operations

Trait Implementations

impl Clone for RustCrypto

fn clone(&self) -> RustCrypto

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RustCrypto

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for RustCrypto

fn default() -> Self

Returns the “default value” for a type.

impl OpenMlsCrypto for RustCrypto

fn signature_key_gen( &self, alg: SignatureScheme, ) -> Result<(Vec<u8>, Vec<u8>), CryptoError>

Generate a (secret key, public key) pair from a signature scheme.

fn signature_public_key_len(&self, signature_scheme: SignatureScheme) -> usize

Gives the length of a signature public key, in bytes

fn supports(&self, ciphersuite: Ciphersuite) -> Result<(), CryptoError>

Check whether the Ciphersuite is supported by the backend or not.

fn supported_ciphersuites(&self) -> Vec<Ciphersuite>

Returns the list of supported Ciphersuites.

fn hkdf_extract( &self, hash_type: HashType, salt: &[u8], ikm: &[u8], ) -> Result<SecretVLBytes, CryptoError>

HKDF extract.

fn hkdf_expand( &self, hash_type: HashType, prk: &[u8], info: &[u8], okm_len: usize, ) -> Result<SecretVLBytes, CryptoError>

HKDF expand.

fn hash(&self, hash_type: HashType, data: &[u8]) -> Result<Vec<u8>, CryptoError>

Hash the data.

fn aead_encrypt( &self, alg: AeadType, key: &[u8], data: &[u8], nonce: &[u8], aad: &[u8], ) -> Result<Vec<u8>, CryptoError>

AEAD encrypt with the given parameters.

fn aead_decrypt( &self, alg: AeadType, key: &[u8], ct_tag: &[u8], nonce: &[u8], aad: &[u8], ) -> Result<Vec<u8>, CryptoError>

AEAD decrypt with the given parameters.

fn validate_signature_key( &self, alg: SignatureScheme, key: &[u8], ) -> Result<(), CryptoError>

Parses and validate a signature public key

fn verify_signature( &self, alg: SignatureScheme, data: &[u8], pk: &[u8], signature: &[u8], ) -> Result<(), CryptoError>

Verify the signature

fn sign( &self, _alg: SignatureScheme, _data: &[u8], _key: &[u8], ) -> Result<Vec<u8>, CryptoError>

Sign with the given parameters.

fn hpke_seal( &self, config: HpkeConfig, pk_r: &[u8], info: &[u8], aad: &[u8], ptxt: &[u8], ) -> Result<HpkeCiphertext, CryptoError>

HPKE single-shot encryption of ptxt to pk_r, using info and aad.

fn hpke_open( &self, config: HpkeConfig, input: &HpkeCiphertext, sk_r: &[u8], info: &[u8], aad: &[u8], ) -> Result<Vec<u8>, CryptoError>

HPKE single-shot decryption of input with sk_r, using info and aad.

fn hpke_setup_sender_and_export( &self, config: HpkeConfig, pk_r: &[u8], info: &[u8], exporter_context: &[u8], exporter_length: usize, ) -> Result<(Vec<u8>, ExporterSecret), CryptoError>

HPKE single-shot setup of a sender and immediate export a secret.

fn hpke_setup_receiver_and_export( &self, config: HpkeConfig, enc: &[u8], sk_r: &[u8], info: &[u8], exporter_context: &[u8], exporter_length: usize, ) -> Result<ExporterSecret, CryptoError>

HPKE single-shot setup of a receiver and immediate export a secret.

fn derive_hpke_keypair( &self, config: HpkeConfig, ikm: &[u8], ) -> Result<HpkeKeyPair, CryptoError>

Derive a new HPKE keypair from a given input key material.

impl OpenMlsRand for RustCrypto

type Error = MlsProviderError

type RandImpl = ChaCha20Rng

type BorrowTarget<'a> = RwLockWriteGuard<'a, <RustCrypto as OpenMlsRand>::RandImpl>

fn borrow_rand(&self) -> Result<Self::BorrowTarget<'_>, Self::Error>

fn random_array<const N: usize>(&self) -> Result<[u8; N], Self::Error>

Fill an array with random bytes.

fn random_vec(&self, len: usize) -> Result<Vec<u8>, Self::Error>

Fill a vector of length len with bytes.