key

type DAO interface {
	Migrate(ctx context.Context) error
	ListEncryptedBlockInfo(ctx context.Context, nodeUuid string) ([]*encryption.RangedBlock, error)
	SaveEncryptedBlockInfo(ctx context.Context, nodeUuid string, b *encryption.RangedBlock) error
	GetEncryptedLegacyBlockInfo(ctx context.Context, nodeUuid string) (*encryption.RangedBlock, error)
	ClearNodeEncryptedPartBlockInfo(ctx context.Context, nodeUuid string, partId int) error
	ClearNodeEncryptedBlockInfo(ctx context.Context, nodeUuid string) error

	CopyNode(ctx context.Context, srcUuid, targetUuid string) error

	SaveNode(ctx context.Context, node *encryption.Node) error
	UpgradeNodeVersion(ctx context.Context, nodeUuid string) error
	GetNode(ctx context.Context, nodeUuid string) (*encryption.Node, error)
	DeleteNode(ctx context.Context, nodeUuid string) error

	SaveNodeKey(ctx context.Context, nodeKey *encryption.NodeKey) error
	GetNodeKey(ctx context.Context, node string, user string) (*encryption.NodeKey, error)
	DeleteNodeKey(ctx context.Context, nodeKey *encryption.NodeKey) error
}

type RangedBlocks struct {
	OwnerId    string
	PartId     uint32
	SeqStart   uint32
	SeqEnd     uint32
	HeaderSize uint32
	BlockSize  uint32
	Nonce      []byte
}