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.

What checksum algorithm should I use?

I'm building a system which needs to be able to find if blobs of bytes have been updated. Rather than …

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How to calculate CRC 16 with polynomial x16 + x12 + x5 + 1

I am trying to interface with some system and in their specs they require to calculate CRC 16 for serial communication. …

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Reversing CRC32

I'm looking for a way to reverse a CRC32 checksum. There are solutions around, but they are either badly written, …

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CRC-CCITT 16-bit Python Manual Calculation

Problem I am writing code for an embedded device. A lot of solutions out there for CRC-CCITT 16-bit calculations require …

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crc16 implementation java

I am having problems with calculating CRC-16 implementation of a byte array in java. Basically I am trying to send …

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How to use boost::crc?

I want to use boost::crc so that it works exactly like PHP's crc32() function. I tried reading the horrible …

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CRC32 Collision

I am trying to find a collision between two messages that will lead to the same CRC hash. Considering I …

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Fast CRC algorithm?

I want to create a 32 bit number out of an ASCII-string. CRC32 algorithm is exactly what I'm looking for but …

c++ c crc crc32
Getting the CRC checksum of a byte array and adding it to that byte array

I have this byte array: static byte[] buf = new byte[] { (byte) 0x01, (byte) 0x04, (byte)0x00, (byte)0x01,(byte)0x00, (…

java checksum crc modbus
CCITT CRC 16 Bit Start Value 0xffff

I need to calculate a CCITT 16 bit checksum value for data passed as a parameter together with the length. If …

c++ checksum crc crc16