Struct HpkeAwsLcRs

pub struct HpkeAwsLcRs<const KEY_SIZE: usize, const KDF_SIZE: usize> {
    suite: HpkeSuite,
    dh_kem: &'static DhKem<KDF_SIZE>,
    hkdf: &'static dyn HkdfPrkExtract,
    aead: &'static Algorithm,
}

HpkeAwsLcRs holds the concrete instantiations of the algorithms specified by the HpkeSuite.

Fields

suite: HpkeSuite

dh_kem: &'static DhKem<KDF_SIZE>

hkdf: &'static dyn HkdfPrkExtract

aead: &'static Algorithm

Implementations

impl<const KEY_SIZE: usize, const KDF_SIZE: usize> HpkeAwsLcRs<KEY_SIZE, KDF_SIZE>

fn key_schedule( &self, shared_secret: KemSharedSecret<KDF_SIZE>, info: &[u8], ) -> Result<KeySchedule<KEY_SIZE>, Error>

See RFC 9180 §5.1 “Creating the Encryption Context”.

fn key_schedule_labeled_expand<const L: usize>( &self, shared_secret: &KemSharedSecret<KDF_SIZE>, key_schedule_context: &[u8], label: Label, ) -> [u8; L]

Trait Implementations

impl<const KEY_SIZE: usize, const KDF_SIZE: usize> Debug for HpkeAwsLcRs<KEY_SIZE, KDF_SIZE>

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

Formats the value using the given formatter.

impl<const KEY_SIZE: usize, const KDF_SIZE: usize> Hpke for HpkeAwsLcRs<KEY_SIZE, KDF_SIZE>

fn seal( &self, info: &[u8], aad: &[u8], plaintext: &[u8], pub_key: &HpkePublicKey, ) -> Result<(EncapsulatedSecret, Vec<u8>), Error>

Seal the provided plaintext to the recipient public key pub_key with application supplied info, and additional data aad.

fn setup_sealer( &self, info: &[u8], pub_key: &HpkePublicKey, ) -> Result<(EncapsulatedSecret, Box<dyn HpkeSealer + 'static>), Error>

Set up a sealer context for the receiver public key pub_key with application supplied info.

fn open( &self, enc: &EncapsulatedSecret, info: &[u8], aad: &[u8], ciphertext: &[u8], secret_key: &HpkePrivateKey, ) -> Result<Vec<u8>, Error>

Open the provided ciphertext using the encapsulated secret enc, with application supplied info, and additional data aad.

fn setup_opener( &self, enc: &EncapsulatedSecret, info: &[u8], secret_key: &HpkePrivateKey, ) -> Result<Box<dyn HpkeOpener + 'static>, Error>

Set up an opener context for the secret key secret_key with application supplied info.

fn fips(&self) -> bool

Return whether the HPKE instance is FIPS compatible.

fn generate_key_pair(&self) -> Result<(HpkePublicKey, HpkePrivateKey), Error>

Generate a new public key and private key pair compatible with this HPKE instance.

fn suite(&self) -> HpkeSuite

Return the HpkeSuite that this HPKE instance supports.