Top "Checksum" questions

EAN 8 : How to calculate checksum digit?

I need to create EAN 8 bar code programmatically. I search an algorithm to calculate the checksum digit.

barcode checksum

How to solve liquibase checksum validation fail after liquibase upgrade

In my project I just tried upgrading liquibase from 3.2.2 to 3.4.2 (both the jars and the maven plugin). EDIT: same for …

java maven liquibase checksum

Google Drive MD5 checksum for files

I'm not a programmer, just a regular user of Google Drive. I want to see if the files are uploaded …

md5 google-drive-api checksum

Implementation of Luhn Formula

I was trying to implement the Luhn Formula in Python. Here is my code: import sys def luhn_check(number): …

python math checksum luhn

Error updating emacs packages: Failed to download 'gnu' archive

My init.el uses this to initialize packages: (package-initialize) (add-to-list 'package-archives '("gnu" . "http://elpa.gnu.org/packages/")) (add-to-list 'package-archives …

emacs checksum elpa melpa

File containing its own checksum

Is it possible to create a file that will contain its own checksum (MD5, SHA1, whatever)? And to upset jokers …

security checksum data-integrity

How do I make a checksum from a JavaScript Object?

I need to make a checksum from a JavaScript Object. Unfortunately, there does not seem to be an easy way …

javascript json checksum adler32

Fast open source checksum for small strings

I need a quick checksum (as fast as possilbe) for small strings (20-500 chars). I need the source code and …

javascript string base64 checksum base32

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

ICMP echo checksum

How can I compute the checksum of an ICMP echo request or reply when the checksum should include the data …

network-programming checksum icmp