Struct cosmian_crypto_core::EciesX25519XChaCha20

pub struct EciesX25519XChaCha20 {}

A thread safe Elliptic Curve Integrated Encryption Scheme (ECIES) using

• X25519
• XChaCha20
• Blake2b

Trait Implementations

impl Ecies<CURVE_25519_SECRET_LENGTH, X25519_PUBLIC_KEY_LENGTH, X25519CurvePoint> for EciesX25519XChaCha20

const ENCRYPTION_OVERHEAD: usize = 48usize

The size of the overhead added by the encryption process.

fn encrypt<R: CryptoRngCore>( rng: &mut R, recipient_pk: &X25519PublicKey, plaintext: &[u8], authentication_data: Option<&[u8]>, ) -> Result<Vec<u8>, CryptoCoreError>

Encrypts a message using the given public key and optional authentication data.

fn decrypt( recipient_sk: &X25519PrivateKey, ciphertext: &[u8], authentication_data: Option<&[u8]>, ) -> Result<Vec<u8>, CryptoCoreError>

Decrypts a message using the given private key and optional authentication data.

impl EciesStream<CURVE_25519_SECRET_LENGTH, X25519_PUBLIC_KEY_LENGTH, X25519CurvePoint, ChaChaPoly1305<StreamCipherCoreWrapper<XChaChaCore<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B1>, B0>>>, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B1>, B0>, B0>, B0>>> for EciesX25519XChaCha20

fn get_dem_encryptor_be32<R: CryptoRngCore>( rng: &mut R, recipient_public_key: &X25519PublicKey, ) -> Result<(X25519PublicKey, EncryptorBE32<XChaCha20Poly1305Lib>), CryptoCoreError>

Creates a EncryptorBE32 using the given public key.

fn get_dem_encryptor_le31<R: CryptoRngCore>( rng: &mut R, recipient_public_key: &X25519PublicKey, ) -> Result<(X25519PublicKey, EncryptorLE31<XChaCha20Poly1305Lib>), CryptoCoreError>

Creates a EncryptorLE31 using the given public key.

fn get_dem_decryptor_be32( recipient_private_key: &X25519PrivateKey, ephemeral_public_key: &X25519PublicKey, ) -> Result<DecryptorBE32<XChaCha20Poly1305Lib>, CryptoCoreError>

Creates a DecryptorBE32 using the given private key.

fn get_dem_decryptor_le31( recipient_private_key: &X25519PrivateKey, ephemeral_public_key: &X25519PublicKey, ) -> Result<DecryptorLE31<XChaCha20Poly1305Lib>, CryptoCoreError>

Creates a DecryptorLE31 using the given private key.