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.

Getting a File's MD5 Checksum in Java

I am looking to use Java to get the MD5 checksum of a file. I was really surprised but I …

java md5 checksum
Generating an MD5 checksum of a file

Is there any simple way of generating (and checking) MD5 checksums of a list of files in Python? (I have …

python md5 checksum hashlib
How is a CRC32 checksum calculated?

Maybe I'm just not seeing it, but CRC32 seems either needlessly complicated, or insufficiently explained anywhere I could find on …

c checksum crc32
What is the best way to calculate a checksum for a file that is on my machine?

I'm on a Windows machine and I want to run a checksum on the MySQL distribution I just got. It …

windows checksum
How to compare 2 files fast using .NET?

Typical approaches recommend reading the binary via FileStream and comparing it byte-by-byte. Would a checksum comparison such as CRC be …

c# file compare checksum
Windows equivalent of linux cksum command

I am looking for a way to compute crc checksum cross platform. cksum works on Linux, AIX, HP-UX Itanium, Solaris, …

windows linux solaris checksum
What is the fastest way to create a checksum for large files in C#

I have to sync large files across some machines. The files can be up to 6GB in size. The sync …

c# .net large-files checksum
How to calculate Internet checksum?

I have a question regarding how the Internet checksum is calculated. I couldn't find any good explanation from the book, …

checksum
UDP checksum calculation

The UDP header struct defined at /usr/include/netinet/udp.h is as follows struct udphdr { u_int16_t source; …

c network-programming udp checksum
How to generate an MD5 checksum for a file in Android?

In my app I have a requirement to generate an MD5 checksum for a file. Could you please tell me …

android md5 checksum