Top "Crc" questions

A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to raw data.

How could I guess a checksum algorithm?

Let's assume that I have some packets with a 16-bit checksum at the end. I would like to guess which …

checksum crc
Modbus Communication

I am using C# to communicate via modbus rs485 rs232 to 2 phase meters that among other log the power voltage. …

c# crc modbus
Expected collisions for perfect 32bit crc

I'm trying to determine how my crc compares to an "ideal" 32bit crc. So I ran my crc over 1 million …

probability crc crc32 probability-theory
Can CRC32(C) ever return to 0?

I'm wondering if CRC32 sum and CRC32C in particular ever return to 0? The simple answer would be "yes" given …

crc crc32
CRC-CCITT (0xFFFF) function?

Can someone help me with Delphi implementation of CRC-CCITT (0xFFFF)? Already get the Java version, but confusing on how to …

delphi crc
CRC-16 with 0xA001 polynomial

I would like to compute the CRC-16 checksum of a byte array, with 0xA001 polynomial. But I don't really know …

java checksum crc
How do you compute the XOR Remainder used in CRC?

I'm trying to remember how the math is worked out to compute the remainder of an XOR algorithm in Cyclical …

xor crc polynomial-math
Get CRC checksum of an NSData in Objective-C

How can I count CRC (32 or 64) of an NSData object in Objective-C? Thanks in advance!

objective-c crc
CRC-32 implementation in java.util.zip.CRC32

Which CRC-32 algorithm is used in the Java CRC-32 class ? The java doc does not give any details. What is …

java crc crc32
Is it possible to do rudimentary error correction with CRC?

I know the whole intention of using CRC is to do error detection, but I heard someone state that it …

crc error-correction