CRC Standards

crc-5:

Width 5
Poly 0x5
Reflect In True
XOR In 0x1f
Reflect Out True
XOR Out 0x1f


crc-8:

Width 8
Poly 0x07
Reflect In False
XOR In 0x00
Reflect Out False
XOR Out 0x00


dallas-1-wire:

Width 8
Poly 0x31
Reflect In True
XOR In 0x00
Reflect Out True
XOR Out 0x00


crc-15:

Width 15
Poly 0x4599
Reflect In False
XOR In 0x000
Reflect Out False
XOR Out 0x000


crc-16:

Width 16
Poly 0x8005
Reflect In True
XOR In 0x0000
Reflect Out True
XOR Out 0x0000


crc-16-usb:

Width 16
Poly 0x8005
Reflect In True
XOR In 0xffff
Reflect Out True
XOR Out 0xffff


crc-16-modbus:

Width 16
Poly 0x8005
Reflect In True
XOR In 0xffff
Reflect Out True
XOR Out 0x0000


ccitt:

Width 16
Poly 0x1021
Reflect In False
XOR In 0xffff
Reflect Out False
XOR Out 0x0000


r-crc-16:

Width 16
Poly 0x0589
Reflect In False
XOR In 0x0000
Reflect Out False
XOR Out 0x0001


kermit:

Width 16
Poly 0x1021
Reflect In True
XOR In 0x0000
Reflect Out True
XOR Out 0x0000


x-25:

Width 16
Poly 0x1021
Reflect In True
XOR In 0xffff
Reflect Out True
XOR Out 0xffff


xmodem:

Width 16
Poly 0x1021
Reflect In False
XOR In 0x0000
Reflect Out False
XOR Out 0x0000


zmodem:

Width 16
Poly 0x1021
Reflect In False
XOR In 0x0000
Reflect Out False
XOR Out 0x0000


crc-24:

Width 24
Poly 0x864cfb
Reflect In False
XOR In 0xb704ce
Reflect Out False
XOR Out 0x000000


crc-32:

Width 32
Poly 0x04c11db7
Reflect In True
XOR In 0xffffffff
Reflect Out True
XOR Out 0xffffffff


crc-32c:

Width 32
Poly 0x1edc6f41
Reflect In True
XOR In 0xffffffff
Reflect Out True
XOR Out 0xffffffff
Short command pycrc.py --model crc-32c


crc-32-mpeg:

Width 32
Poly 0x04c11db7
Reflect In False
XOR In 0xffffffff
Reflect Out False
XOR Out 0x00000000


posix:

Width 32
Poly 0x04c11db7
Reflect In False
XOR In 0x00000000
Reflect Out False
XOR Out 0xffffffff
Short command pycrc.py --model posix


jam:

Width 32
Poly 0x04c11db7
Reflect In True
XOR In 0xffffffff
Reflect Out True
XOR Out 0x00000000


xfer:

Width 32
Poly 0x000000af
Reflect In False
XOR In 0x00000000
Reflect Out False
XOR Out 0x00000000


crc-64:

Width 64
Poly 0x000000000000001b
Reflect In True
XOR In 0x0000000000000000
Reflect Out True
XOR Out 0x0000000000000000


crc-64-jones:

Width 64
Poly 0xad93d23594c935a9
Reflect In True
XOR In 0xffffffffffffffff
Reflect Out True
XOR Out 0x0000000000000000