Editing WinZip (section)

==History==
{{More citations needed|section|date=December 2018}}
WinZip 1.0 was released in April 1991 as a [[graphical user interface]] (GUI) front-end for [[PKZIP]].<ref name="moran2000">{{cite news |last1=Moran |first1=John |title=WinZip: A Proven Winner |url=https://www.newspapers.com/clip/77728224/winzip-a-proven-winner/ |access-date=15 May 2021 |work=[[Hartford Courant]] |publisher=[[Tribune Publishing]] |date=4 May 2000 |archive-url=https://web.archive.org/web/20210515132714/https://www.newspapers.com/clip/77728224/winzip-a-proven-winner/ |archive-date=15 May 2021 |location=[[Hartford, Connecticut]] |page=47 |url-status=live |via=[[Newspapers.com]] }}</ref>

[[File:WinZip icon.png|thumb|Former WinZip icon]]
From version 6.0 until version 9.0, registered users could download the newest versions of the software, enter their original registration information or install over the top of their existing registered version, and thereby obtain a free upgrade. This upgrade scheme was discontinued as of version 10.0.<ref>{{cite web|url=http://www.winzip.com/xregno.htm|title=Why is my registration code not working in WinZip 12?|date=October 30, 2013}}</ref>

On May 2, 2006, WinZip Computing was acquired by [[Corel Corporation]] using the proceeds from its [[initial public offering]].<ref name=":0">{{cite web|archive-url=https://web.archive.org/web/20070312070118/http://investor.corel.com/releasedetail.cfm?ReleaseID=194952 | url=http://investor.corel.com/releasedetail.cfm?ReleaseID=194952 | archive-date=March 12, 2007|title=Corel Corporation Acquires WinZip Computing; World's Leading Aftermarket Compression Utility Joins Award-Winning Software Portfolio}}</ref><ref>{{Cite web|last=|date=2006-04-04|title=Corel to return to public life merged with WinZip|url=https://techmonitor.ai/techonology/corel_to_return_to_public_life_merged_with_winzip|access-date=2021-04-25|website=Tech Monitor|language=en-US}}</ref>

===Supported .ZIP archive features===
* 128- and 256-bit key [[Advanced Encryption Standard|AES]] [[encryption]]<ref>{{cite web|url= http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf |title=FIPS PUB 197: The Advanced Encryption Standard }}&nbsp;{{small|(272&nbsp;KB)}}, [http://www.winzip.com/aes_info.htm AES Encryption Information: Encryption Specification AE-1 and AE-2]</ref> in addition to the less secure PKZIP 2.0 encryption method used in earlier versions. The AES implementation, using Brian Gladman's code, was FIPS-197 certified, on March 27, 2003.<ref>See Brian Gladman's [http://fp.gladman.plus.com/cryptography_technology/fileencrypt/ AES code page] and the official [http://csrc.nist.gov/groups/STM/cavp/documents/aes/aesval.html list of validated AES implementations]</ref> However, Central Directory Encryption feature is not supported.<ref name="filename encryption">[http://kb.winzip.com/kb/entry/147/ No filename encryption in the .ZIP file format]</ref>