compressionid

README

About

Tooling for identifying unknown compressed data.

Supported compression methods

• DEFLATE
• ZLIB
• LZO1X
• LZ4
• LZW (LSB, 8-bit)
• LZW (MSB, 8-bit)

Tools

compressionid - Detect compression method from input file.

compressionid-packer - Companion app to create compressed files.

Documentation

Index

• func CompressFromReader(method string, r io.Reader) ([]byte, error)
• func InitLogging()
• type CompressionKind
  • func TryExtract(r io.Reader) (CompressionKind, []byte, error)
  • func (k CompressionKind) String() string

Functions

func CompressFromReader

func CompressFromReader(method string, r io.Reader) ([]byte, error)

func InitLogging

func InitLogging()

Types

type CompressionKind

type CompressionKind int

const (
	ZLib  CompressionKind = iota
	Flate                 // (de)FLATE compression
	Lzma
	Lzma2
	Lzss
	Lzo1X
	Lz4
	Lz77a    // Lz77, variant #a
	Lz77b    // Lz77, variant #b
	Lzw_LSB8 // LSB, 8-bit
	Lzw_MSB8 // MSB, 8-bit
)

func TryExtract

func TryExtract(r io.Reader) (CompressionKind, []byte, error)

func (CompressionKind) String

func (k CompressionKind) String() string