crypto.crc32()

crypto.crc32(data)function

Calculate the Cyclic Redundancy Check (CRC) value of the given data.

Parameters

data

A string or a Buffer.

Return value

Returns a number containing CRC32 checksum.

Example


--! luart-extensions
import crypto
local console = require "console"

local file = sys.File(console.readln("Enter the file to calculate CRC32 : ")):open()
local crc32 = crypto.crc32(file:read())

console.write("CRC32 : ")
console.writecolor("lightgreen",crc32,"\n")