checksum

Documentation

Index

• Variables
• type CRC
  • func (c *CRC) BlockSize() int
  • func (c *CRC) Reset()
  • func (c *CRC) Size() int
  • func (c *CRC) Sum(b []byte) []byte
  • func (c *CRC) Write(p []byte) (n int, err error)
• type IPv4
  • func (c *IPv4) BlockSize() int
  • func (c *IPv4) Reset()
  • func (c *IPv4) Size() int
  • func (c *IPv4) Sum(b []byte) []byte
  • func (c *IPv4) Write(p []byte) (n int, err error)
• type Table
  • func MakeTable(poly uint, bits int) Table

Variables

var ANSI16Table = MakeTable(0x8005, 16)

var ATM8Table = MakeTable(0x7, 8)

var IEEELETable = MakeTable(0xedb88320, 32) // TODO: is this IEEE?

var Poly04c11db7Table = MakeTable(0x04c11db7, 32) // TODO: is this IEEE?

Types

type CRC

type CRC struct {
	Bits    int
	Current uint
	Table   Table
}

CRC implements hash.Hash

func (*CRC) BlockSize

func (c *CRC) BlockSize() int

func (*CRC) Reset

func (c *CRC) Reset()

func (*CRC) Size

func (c *CRC) Size() int

func (*CRC) Sum

func (c *CRC) Sum(b []byte) []byte

func (*CRC) Write

func (c *CRC) Write(p []byte) (n int, err error)

type IPv4

type IPv4 struct {
	// contains filtered or unexported fields
}

IPv4 implements hash.Hash

func (*IPv4) BlockSize

func (c *IPv4) BlockSize() int

func (*IPv4) Reset

func (c *IPv4) Reset()

func (*IPv4) Size

func (c *IPv4) Size() int

func (*IPv4) Sum

func (c *IPv4) Sum(b []byte) []byte

func (*IPv4) Write

func (c *IPv4) Write(p []byte) (n int, err error)

type Table

type Table [256]uint

func MakeTable

func MakeTable(poly uint, bits int) Table