# HMAC in the Security layer

Steve Burnett (burnettS@RSA.COM)
Wed, 7 May 1997 11:31:31 -0700

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    Message-Id: <c=US%a=_%p=RSA_Data_Securit%l=LOBESTER-970507183131Z-2960@LOBESTER.rsa.com>

    From: Steve Burnett <burnettS@RSA.COM>

    To: "'JavaSoft crypto questions'" <java-security@web2.javasoft.com>

    Subject: HMAC in the Security layer

    Date: Wed, 7 May 1997 11:31:31 -0700

HMAC is generally considered a kind of message digest. Suppose I want
to implement it in the JDK 1.1 layer. Should it be part of the
MessageDigest class? If so, I'll need a way to initialize the object
with a secret key. If not, where would it belong? The DESMAC is another
example, but I doubt that algorithm is implemented as much as HMAC is
(HMAC is part of the SET standard).

--Steve Burnett
burnetts@rsa.com

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