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Checksum utility written in Java

Jacksum is a free checksum utility written entirely in Java. It can be used for computing and verifying checksums, CRCs and hashes as well as timestamps of files. It supports most common checksum algorithms (Adler32, BSD sum, POSIX cksum, CRC-16, CRC-32 (FCS-32), CRC-64, ELF-32, eMule/eDonkey, FCS-16, HAVAL (3/4/5 passes, 128/160/192/224/256 bits), MD2, MD4, MD5, MPEG-2's CRC-32, RIPEMD-128, RIPEMD-160, SHA-1, SHA-256, SHA-384, SHA-512, TIGER, Unix System V sum, sum8, sum16, sum24, sum32, Whirlpool and xor8).



Verified by

Verified on


Verified by

Janet Casey

Verified on

8 November 2002

Leaders and contributors

Johann Nepomuk Loefflmann Maintainer

Resources and communication

AudienceResource typeURI
Bug Tracking,Developer,SupportE-mailmailto:jonelo@jonelo.de
Savannah (Ref)https://savannah.nongnu.org/projects/jacksum
Debian (Ref)https://tracker.debian.org/pkg/jacksum
Bug TrackingVCS Repository Webviewhttp://sourceforge.net/tracker/?group_id=74387

Software prerequisites

Required to buildJava2 SDK 1.3 or later
Required to useJava2 SDK 1.3 or later *or* JRE 1.3.1 or later (1.4.2 or later recommended)


"Debian (Ref)" is not in the list (General, Help, Bug Tracking, Support, Developer) of allowed values for the "Resource audience" property.

"Savannah (Ref)" is not in the list (General, Help, Bug Tracking, Support, Developer) of allowed values for the "Resource audience" property.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.