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hpke

package

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Versions in this module

v1

v1.3.8

Feb 16, 2024

Changes in this version

type AEAD

+ func (a AEAD) NonceSize() uint

type KEM

+ const KEM_X25519_KYBER768_DRAFT00

v0

v0.0.0

Oct 24, 2023

Changes in this version

+ var ErrAEADSeqOverflows = errors.New("hpke: AEAD sequence number overflows")

+ var ErrInvalidAEAD = errors.New("hpke: invalid AEAD identifier")

+ var ErrInvalidHPKESuite = errors.New("hpke: invalid HPKE suite")

+ var ErrInvalidKDF = errors.New("hpke: invalid KDF identifier")

+ var ErrInvalidKEM = errors.New("hpke: invalid KEM identifier")

+ var ErrInvalidKEMPrivateKey = errors.New("hpke: invalid KEM private key")

+ var ErrInvalidKEMPublicKey = errors.New("hpke: invalid KEM public key")

+ var ErrInvalidKEMSharedSecret = errors.New("hpke: invalid KEM shared secret")

+ type AEAD uint16

+ const AEAD_AES128GCM

+ const AEAD_AES256GCM

+ const AEAD_ChaCha20Poly1305

+ func (a AEAD) CipherLen(mLen uint) uint

+ func (a AEAD) IsValid() bool

+ func (a AEAD) KeySize() uint

+ func (a AEAD) New(key []byte) (cipher.AEAD, error)

+ type Context interface

+ Export func(exporterContext []byte, length uint) []byte

+ Suite func() Suite

+ type KDF uint16

+ const KDF_HKDF_SHA256

+ const KDF_HKDF_SHA384

+ const KDF_HKDF_SHA512

+ func (k KDF) Expand(pseudorandomKey, info []byte, outputLen uint) []byte

+ func (k KDF) Extract(secret, salt []byte) (pseudorandomKey []byte)

+ func (k KDF) ExtractSize() int

+ func (k KDF) IsValid() bool

+ type KEM uint16

+ const KEM_P256_HKDF_SHA256

+ const KEM_P384_HKDF_SHA384

+ const KEM_P521_HKDF_SHA512

+ const KEM_X25519_HKDF_SHA256

+ const KEM_X448_HKDF_SHA512

+ func (k KEM) IsValid() bool

+ func (k KEM) Scheme() kem.AuthScheme

+ type Opener interface

+ Open func(ct, aad []byte) (pt []byte, err error)

+ func UnmarshalOpener(raw []byte) (Opener, error)

+ type Receiver struct

+ func (r *Receiver) Setup(enc []byte) (Opener, error)

+ func (r *Receiver) SetupAuth(enc []byte, pkS kem.PublicKey) (Opener, error)

+ func (r *Receiver) SetupAuthPSK(enc, psk, pskID []byte, pkS kem.PublicKey) (Opener, error)

+ func (r *Receiver) SetupPSK(enc, psk, pskID []byte) (Opener, error)

+ type Sealer interface

+ Seal func(pt, aad []byte) (ct []byte, err error)

+ func UnmarshalSealer(raw []byte) (Sealer, error)

+ type Sender struct

+ func (s *Sender) Setup(rnd io.Reader) (enc []byte, seal Sealer, err error)

+ func (s *Sender) SetupAuth(rnd io.Reader, skS kem.PrivateKey) (enc []byte, seal Sealer, err error)

+ func (s *Sender) SetupAuthPSK(rnd io.Reader, skS kem.PrivateKey, psk, pskID []byte) (enc []byte, seal Sealer, err error)

+ func (s *Sender) SetupPSK(rnd io.Reader, psk, pskID []byte) (enc []byte, seal Sealer, err error)

+ type Suite struct

+ func NewSuite(kemID KEM, kdfID KDF, aeadID AEAD) Suite

+ func (suite Suite) NewReceiver(skR kem.PrivateKey, info []byte) (*Receiver, error)

+ func (suite Suite) NewSender(pkR kem.PublicKey, info []byte) (*Sender, error)

+ func (suite Suite) Params() (KEM, KDF, AEAD)

+ func (suite Suite) String() string