JAR files (was Re: XML and Objects)

Leonard Rosenthol leonardr at Adobe.COM
Thu Oct 8 22:36:06 BST 1998

At 1:23 AM +0000 9/29/98, Chris Hubick wrote:
>> The Java ARchive (JAR) format has manifests at the very beginning,
>> so that the correct digital signatures can be computed during download.
>	A JAR file is a Zip file.
	Actually, no they aren't.

	If you read the JAR specification, the actual format of the archive 
is NOT specified.  Only the existance of the manifest file & directory and 
it's content.

	It is only by existing usage that currently available .jar files 
happen to use the ZIP archiving format.

Leonard Rosenthol			<mailto:leonardr at adobe.com>
Designated Free Electron               	(612) 766-4718 (Minn)
Adobe Systems Incorporated              (215) 233-5270 (Philly)

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