Top "Checksum" questions

A checksum or hash sum is a fixed-size datum computed from an arbitrary block of digital data for the purpose of detecting accidental errors that may have been introduced during its transmission or storage.

What's the cleanest way to get a checksum of a multidimensional array?

I am doing some sql caching of certain queries. I'm using CakePHP so the query conditions are in an array …

php arrays cakephp multidimensional-array checksum
BouncyCastle updated pgp key now getting checksum mismatch error

I have a utility that is using the BouncyCastle.Crypto dll (version 1.7.4, runtime version 1.1.4), in order to decrypt a file …

encryption bouncycastle checksum pgp openpgp
CRC32 calculation in Python without using libraries

I have been trying to get my head around CRC32 calculations without much success, the values that I seem to …

python checksum crc32 micropython
How to verify that the source code is copied from web

I am building a web tool to check whether the submitted content is taken from web or is it submitter …

security checksum sha code-access-security
ublox NEO 6m: UBX command sanity check (with Fletcher checksum!)

So I've been banging my head against my keyboard for a few days because I can't figure out how to …

gps arduino checksum nmea
Calculate a CRC / CRC32 hash / checksum on a binary file in Python using a buffer

I've been trying to teach myself Python so I don't fully understand what I'm doing. I'm embarrassed to say this …

python hash binary checksum crc32
Determining CRC algorithm from data + CRC - embedded application.

I have a set of data protected by 16bit checksums that I need to correct. The checksum locations are known, …

checksum crc
Binary_Checksum Vs HashBytes function

I have a complex query which uses a lot of binary checksum function, when I was testing it with some …

sql sql-server-2012 database-performance checksum hashbytes
Checking the error detection capabilities of CRC polynomials

I tried to find out how to calculate the error detection capabilities of arbitrary CRC polynomials. I know that there …

checksum crc polynomials hamming-distance error-detection
Ideas to create a small (<10 digits), not (very) secure "hash"

I'm working on an online event ticketing system, where users will be able to self print his tickets and show …

encryption hash checksum encode