class Digest::CRC32POSIX

Implements the CRC32 POSIX algorithm.

Constants

INIT_CRC
TABLE

Public Instance Methods

update(data) click to toggle source

Updates the CRC32 POSIX checksum.

@param [String] data

The data to update the checksum with.
# File lib/digest/crc32_posix.rb, line 52
def update(data)
  data.each_byte do |b|
    @crc = (@table[((@crc >> 24) ^ b) & 0xff] ^ (@crc << 8)) & 0xffffffff
  end

  return self
end