X25519

package

v1.1.2 Latest Latest Go to latest Published: Jun 14, 2019 License: Apache-2.0 Imports: 4 Imported by: 1

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const NaclBoxNonceSize = 24

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const PrivateKeySize = 32

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const PublicKeySize = 32

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type NaclBoxNonce [NaclBoxNonceSize]byte

NaclBoxNonce is a Nacl box nonce wrapper (24 bytes)

func (nbn NaclBoxNonce) MarshalJSON() ([]byte, error)

MarshalJSON returns the base64 value of a nacl box nonce.

func (nbn *NaclBoxNonce) UnmarshalJSON(data []byte) error

UnmarshalJSON accepts a base64 value to load a nacl box nonce.

type PrivateKey [PrivateKeySize]byte

PrivateKey is an X25519 private key wrapper (32 bytes).

func NewPrivateKey(privateKeyBytes []byte) *PrivateKey

PrivateKey constructor.

func (pk *PrivateKey) Open(encryptedMessage []byte, senderPublicKey *PublicKey, nonce *NaclBoxNonce) ([]byte, bool)

Open decrypts an encrypted message with the appropriate sender information.

func (pk *PrivateKey) Seal(message []byte, recipientPublicKey *PublicKey) (*NaclBoxNonce, []byte, error)

Seal encrypts a plain text message decipherable afterwards by the recipient public key.

type PublicKey [PublicKeySize]byte

PublicKey is an X25519 public key wrapper (32 bytes).

func NewPublicKey(publicKeyBytes []byte) *PublicKey

PublicKey constructor.

func (pk PublicKey) MarshalJSON() ([]byte, error)

MarshalJSON returns the base64 value of an X25519 public key.

func (pk *PublicKey) UnmarshalJSON(data []byte) error

UnmarshalJSON accepts a base64 value to load an X25519 public key.