Author:	Robert M. Hubley
Category:	Miscellaneous
Type:	Applications
Difficulty:	Advanced

Version Compatibility:

Visual Basic 6

More information: Various ports of the MD5 RSA Reference Implementation. This includes a VB Native Class, a C DLL (with VB wrapper), and a java port.

The MD5 algorithm takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input. It is intended for digital signature applications, where a large file must be "compressed" in a secure manner before being encrypted with a private (secret) key under a public-key cryptosystem such as RSA.

For more information about this algorithm, see the following:

http://www.w3.org/PICS/DSig/RSA-MD5_1_0.html
http://www.gl.umbc.edu/~mabzug1/cs/md5/md5.html

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Instructions: Click the link below to download the code. Select 'Save' from the IE popup dialog. Once downloaded, open the .zip file from your local drive using WinZip or a comparable program to view the contents.

http://www.freevbcode.com/source/0708/md5ref11.zip