keyexchange

Sep 16, 2023

Changes in this version

type HKDF

+ func (k *HKDF) Start2(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) error

type KDF

+ Start2 func(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) error

Sep 16, 2023

Changes in this version

type HKDF

+ HashSize int

+ func (k *HKDF) Next(r io.Reader) (b []byte, err error)

+ func (k *HKDF) Reader(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) (r io.Reader, err error)

type KDF

+ Next func(r io.Reader) (b []byte, err error)

+ Reader func(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) (r io.Reader, err error)

Sep 15, 2023

Changes in this version

+ type HPKEHKDF struct

+ func NewHPKEHKDF() *HPKEHKDF

+ func (k *HPKEHKDF) ReadKey() (b []byte, err error)

+ func (k *HPKEHKDF) Start(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) error

+ type HPKEKDF interface

+ ReadKey func() (b []byte, err error)

+ Start func(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) error

type HPKEStore

+ func NewHPKE_Curve25519_SHA256_HPKEKDF_AESGCM() (s *HPKEStore, err error)

+ func NewHPKE_Curve25519_SHA256_HPKEKDF_AESGCM_WithPrivateKey(privateKey string) (s *HPKEStore, err error)

+ func (s *HPKEStore) SetExternalPublicKeyAndStartHPKEKDFs(externalPublicKey string, senderHPKEKDFNonce []byte, ...) (err error)

Sep 15, 2023

Changes in this version

type HKDF

+ func (k *HKDF) ReadKey() (b []byte, err error)

type KDF

+ ReadKey func() (b []byte, err error)

Sep 15, 2023

Changes in this version

+ var ErrZeroLengthByteRequest = errors.New("requesting byte array with zero length")

Sep 15, 2023

Changes in this version

+ var ErrKDFNotStarted = errors.New("kdf not initialised")

+ func AuthTimestamp(additionalData []byte, latestTimestamp int64) (bool, error)

+ func CurrentTimestamp() int64

+ func CurrentTimestampBytes() []byte

+ func CurrentTimestampString() string

type HKDF

+ func (k *HKDF) AdditionalData() []byte

+ func (k *HKDF) IsStarted() bool

+ func (k *HKDF) Nonce() []byte

+ func (k *HKDF) Read(b []byte) (n int, err error)

+ func (k *HKDF) ReadBytes(n int) (b []byte, err error)

+ func (k *HKDF) Start(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) error

+ type HPKEAEADStore struct

+ AEADNonce []byte

+ AdditionalData []byte

+ Ciphertext []byte

+ type HPKEStore struct

+ func NewHPKE(curve ecdh.Curve, hash func() hash.Hash, kdfSender KDF, kdfRecipient KDF, ...) (s *HPKEStore, err error)

+ func NewHPKEWithPrivateKey(curve ecdh.Curve, hash func() hash.Hash, kdfSender KDF, kdfRecipient KDF, ...) (s *HPKEStore, err error)

+ func NewHPKE_Curve25519_SHA256_HKDF_AESGCM() (s *HPKEStore, err error)

+ func NewHPKE_Curve25519_SHA256_HKDF_AESGCM_WithPrivateKey(privateKey string) (s *HPKEStore, err error)

+ func (s *HPKEStore) Decrypt(ciphertext []byte, aeadNonce []byte, additionalData []byte) (plaintext []byte, err error)

+ func (s *HPKEStore) DecryptAEADStore(v *AEADStore) (plaintext []byte, err error)

+ func (s *HPKEStore) EncodeJSONAndEncryptToJSON(value interface{}, additionalData []byte) (jsonData []byte, err error)

+ func (s *HPKEStore) EncodeJSONAndEncryptToJSONWithNonce(value interface{}, aeadNonce []byte, additionalData []byte) (jsonData []byte, err error)

+ func (s *HPKEStore) Encrypt(plaintext []byte, additionalData []byte) (v *AEADStore, err error)

+ func (s *HPKEStore) EncryptWithNonce(plaintext []byte, aeadNonce []byte, additionalData []byte) (v *AEADStore, err error)

+ func (s *HPKEStore) ExternalPublicKey() string

+ func (s *HPKEStore) PrivateKey() string

+ func (s *HPKEStore) PublicKey() string

+ func (s *HPKEStore) SetExternalPublicKeyAndStartKDFs(externalPublicKey string, senderKDFNonce []byte, recipientKDFNonce []byte, ...) (err error)

+ func (s *HPKEStore) SharedSecret() string

+ func (s *HPKEStore) UnmarshalJSONAndDecryptFromJSON(jsonData []byte, v any) (err error)

+ func (s *HPKEStore) UnmarshalJSONAndDecryptFromJSONWithADCheck(jsonData []byte, v any, authFunc func(additionalData []byte) (bool, error)) (err error)

+ func (s *HPKEStore) X963RepresentationPrivateKey() []byte

+ func (s *HPKEStore) X963RepresentationPublicKey() []byte

type KDF

+ AdditionalData func() []byte

+ IsStarted func() bool

+ Nonce func() []byte

+ ReadBytes func(n int) (b []byte, err error)

+ Start func(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) error

Sep 9, 2023

Changes in this version

+ var ErrAdditionalData = errors.New("additional data authentication error")

+ var ErrDecrypt = errors.New("decrypt error")

+ var ErrDeriveKey = errors.New("derive key error")

+ var ErrEncrypt = errors.New("encrypt error")

+ var ErrMarsal = errors.New("marshal error")

+ var ErrPublicKeyNotSet = errors.New("external public key not set")

+ var ErrUnmarsal = errors.New("unmarshal error")

+ var ErrUnmarsalAEADStore = errors.New("AEADStore unmarshal error")

+ type AEAD interface

+ Decrypt func(symmetricKey, ciphertext, aeadNonce, additionalData []byte) (plaintext []byte, err error)

+ Encrypt func(symmetricKey, symmetricKeyNonce, plaintext, aeadNonce, additionalData []byte) (*AEADStore, error)

+ type AEADStore struct

+ AEADNonce []byte

+ AdditionalData []byte

+ Ciphertext []byte

+ KDFNonce []byte

+ type AESGCM struct

+ func NewAESGCM() *AESGCM

+ func (c *AESGCM) Decrypt(symmetricKey, ciphertext, aeadNonce, additionalData []byte) (plaintext []byte, err error)

+ func (c *AESGCM) Encrypt(symmetricKey, kdfNonce, plaintext, aeadNonce, additionalData []byte) (*AEADStore, error)

+ type ChaCha20Poly1305 struct

+ func NewChaCha20Poly1305() *ChaCha20Poly1305

+ func (c *ChaCha20Poly1305) Decrypt(symmetricKey, ciphertext, aeadNonce, additionalData []byte) (plaintext []byte, err error)

+ func (c *ChaCha20Poly1305) Encrypt(symmetricKey, kdfNonce, plaintext, aeadNonce, additionalData []byte) (*AEADStore, error)

+ type HKDF struct

+ func NewHKDF() *HKDF

+ func (k *HKDF) DeriveKey(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) (s *KDFStore, err error)

+ type KDF interface

+ DeriveKey func(sharedSecret string, hash func() hash.Hash, nonce []byte, ...) (s *KDFStore, err error)

+ type KDFStore struct

+ AdditionalData []byte

+ Key []byte

+ Nonce []byte

+ type Store struct

+ func New(curve ecdh.Curve, hash func() hash.Hash, kdf KDF, aead AEAD, ...) (s *Store, err error)

+ func NewWithPrivateKey(curve ecdh.Curve, hash func() hash.Hash, kdf KDF, aead AEAD, privateKey string, ...) (s *Store, err error)

+ func New_Curve25519_SHA256_HKDF_AESGCM(externalPublicKey string) (s *Store, err error)

+ func New_Curve25519_SHA256_HKDF_AESGCM_WithPrivateKey(privateKey string, externalPublicKey string) (s *Store, err error)

+ func (s *Store) Decrypt(symmetricKeyNonce []byte, ciphertext []byte, aeadNonce []byte, ...) (plaintext []byte, err error)

+ func (s *Store) DecryptAEADStore(v *AEADStore) (plaintext []byte, err error)

+ func (s *Store) EncodeJSONAndEncryptToJSON(value interface{}, additionalData []byte) (jsonData []byte, err error)

+ func (s *Store) EncodeJSONAndEncryptToJSONWithNonces(symmetricKeyNonce []byte, value interface{}, aeadNonce []byte, ...) (jsonData []byte, err error)

+ func (s *Store) Encrypt(plaintext []byte, additionalData []byte) (v *AEADStore, err error)

+ func (s *Store) EncryptWithNonces(symmetricKeyNonce []byte, plaintext []byte, aeadNonce []byte, ...) (v *AEADStore, err error)

+ func (s *Store) ExternalPublicKey() string

+ func (s *Store) PrivateKey() string

+ func (s *Store) PrivateKeyPEM() (string, error)

+ func (s *Store) PublicKey() string

+ func (s *Store) PublicKeyPEM() (string, error)

+ func (s *Store) SetExternalPublicKey(externalPublicKey string) error

+ func (s *Store) SharedSecret() string

+ func (s *Store) UnmarshalJSONAndDecryptFromJSON(jsonData []byte, v any) (err error)

+ func (s *Store) UnmarshalJSONAndDecryptFromJSONWithADCheck(jsonData []byte, v any, authFunc func(additionalData []byte) (bool, error)) (err error)

+ func (s *Store) X963RepresentationPrivateKey() []byte

+ func (s *Store) X963RepresentationPublicKey() []byte