# Re: RandomNumberGenerator Engine Class

Jan Luehe (Jan.Luehe@Eng)
Fri, 5 Jun 1998 17:45:01 -0700 (PDT)

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    Date: Fri, 5 Jun 1998 17:45:01 -0700 (PDT)

    From: Jan Luehe <Jan.Luehe@Eng>

    Subject: Re: RandomNumberGenerator Engine Class

    To: java-security@web2.javasoft.com, deepak@vfi.com

Deepak:

> I feel that a RandomNumberGenerator Engine class with a getEntropy() method
> would be very useful. It would allow different implementations of the
> source of randomness, and provide the same benifits available via the
> "provider" interfaces in JCA. Akin to the current provider interfaces, an
> SPI for the RandomNumberGenerator can be created to allow access to entropy
> in HCDs. When HCDs are not being used, an application can provide its own
> RandomNumberGenerator that mines good entropy from hardware or software
> sources.
>
> I would like to submit this as a proposal and would very much appreciate
> your response.

A SecureRandomSpi class has been added for JDK1.2beta4, so that
providers can supply their own source of randomness.

Jan

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