crypthlp

package

v0.27.4 Latest Latest Go to latest Published: Mar 16, 2024 License: Apache-2.0 Imports: 10 Imported by: 1

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var DefaultTimeout = 5 * time.Second

func Create(filename string, passphrase []byte, timeout time.Duration) (io.WriteCloser, error)

func CreateWriter(w io.Writer, passphrase []byte, timeout time.Duration) (io.WriteCloser, error)

func Salt(saltLen int) ([]byte, error)

Salt creates a new random salt with the given length.

type Key struct {
	Bytes []byte `json:"-"`
	Salt  []byte
	L2N   uint
	R, P  int
}

func GenKey(password []byte, saltLen, keyLen int, timeout time.Duration,
) (Key, error)

GenKey derives a key from the password, using scrypt. It tries to create the strongest key within the given time window.

func Open(filename string, passphrase []byte) (Key, io.Reader, error)

func OpenReader(r io.Reader, passphrase []byte) (Key, io.Reader, error)

func (key Key) CreateWriter(w io.Writer) (io.WriteCloser, error)

func (key *Key) Populate(password []byte, keyLen int) error

func (key Key) String() string