cryptmapper

type CryptDevice struct {
	*cryptsetup.Device
}

type CryptMapper struct {
	// contains filtered or unexported fields
}

type DeviceMapper interface {
	// Init initializes a crypt device backed by 'devicePath'.
	// Sets the deviceMapper to the newly allocated Device or returns any error encountered.
	Init(devicePath string) error
	// InitByName initializes a crypt device from provided active device 'name'.
	// Sets the deviceMapper to the newly allocated Device or returns any error encountered.
	InitByName(name string) error
	// ActivateByPassphrase activates a device by using a passphrase from a specific keyslot.
	// Returns nil on success, or an error otherwise.
	ActivateByPassphrase(deviceName string, keyslot int, passphrase string, flags int) error
	// ActivateByVolumeKey activates a device by using a volume key.
	// Returns nil on success, or an error otherwise.
	ActivateByVolumeKey(deviceName string, volumeKey string, volumeKeySize int, flags int) error
	// Deactivate deactivates a device.
	// Returns nil on success, or an error otherwise.
	Deactivate(deviceName string) error
	// Format formats a Device, using a specific device type, and type-independent parameters.
	// Returns nil on success, or an error otherwise.
	Format(deviceType cryptsetup.DeviceType, genericParams cryptsetup.GenericParams) error
	// Free releases crypt device context and used memory.
	Free() bool
	// GetDeviceName gets the path to the underlying device.
	GetDeviceName() string
	// GetUUID gets the devices UUID
	GetUUID() string
	// Load loads crypt device parameters from the on-disk header.
	// Returns nil on success, or an error otherwise.
	Load(cryptsetup.DeviceType) error
	// KeyslotAddByVolumeKey adds a key slot using a volume key to perform the required security check.
	// Returns nil on success, or an error otherwise.
	KeyslotAddByVolumeKey(keyslot int, volumeKey string, passphrase string) error
	// Wipe removes existing data and clears the device for use with dm-integrity.
	// Returns nil on success, or an error otherwise.
	Wipe(devicePath string, pattern int, offset, length uint64, wipeBlockSize int, flags int, progress func(size, offset uint64) int) error
	// Resize the crypt device.
	// Returns nil on success, or an error otherwise.
	Resize(name string, newSize uint64) error
}

type KeyCreator interface {
	GetDEK(ctx context.Context, dekID string, dekSize int) ([]byte, error)
}