encryption

func Decrypt(
	src io.Reader,
	encryptionFormat string,
	identity interface{},
) (io.ReadCloser, error)

func DecryptHeader(
	hdr *tar.Header,
	encryptionFormat string,
	identity interface{},
) error

func DecryptString(
	src string,
	encryptionFormat string,
	identity interface{},
) (string, error)

func Encrypt(
	dst io.Writer,
	encryptionFormat string,
	recipient interface{},
) (io.WriteCloser, error)

func EncryptHeader(
	hdr *tar.Header,
	encryptionFormat string,
	recipient interface{},
) error

func EncryptString(
	src string,
	encryptionFormat string,
	recipient interface{},
) (string, error)