crypt

Documentation

Index

• type Crypt
  • func New(sessionkey []byte, salt ...[]byte) (*Crypt, error)
  • func (s *Crypt) Decrypt(encrypted []byte) (decrypted []byte, err error)
  • func (s *Crypt) Encrypt(unencrypted []byte) (encrypted []byte, err error)

Types

type Crypt

type Crypt struct {
	Key  []byte
	Salt []byte
}

func New

func New(sessionkey []byte, salt ...[]byte) (*Crypt, error)

New returns a new Crypt object, with a sha256 cryptographic key and corresponding salt. Parameters: sessionkey A sessionkey (preferably generated with PAKE2). salt Salt used in generating the key. If not supplied a random salt will be generated.

func (*Crypt) Decrypt

func (s *Crypt) Decrypt(encrypted []byte) (decrypted []byte, err error)

Decrypt decrypts the provided message with the the shared key.

func (*Crypt) Encrypt

func (s *Crypt) Encrypt(unencrypted []byte) (encrypted []byte, err error)

Encrypt encrypts the provided message using shared key and a random nonce that is appended to the message.