PHP Classes

RSA Cryptography

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Subject:RSA Cryptography
Summary:Working with Very Large Number
Messages:3
Author:michael smith
Date:2010-04-03 12:39:55
Update:2010-04-04 08:16:06
 

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Picture of michael smith michael smith - 2010-04-03 19:19:48
I have been working on a PHP Class to generate, validate, encrypt and decrypt .Net RSA keys. This is part of a larger project. The problem I have is with Normalising the D parameter. The D parameter needs to padded out while in binary. These binary numbers are up to 4096 bits in length but will get longer. When I attempt to Pad my D parameter PHP wants to pull off my leading 0's even using strings formatting. Is there a method to pad these very large binary numbers?

Cheers
Michael Smith

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