Re: Calculating HMAC for a key based on password and salt

Peter Gutmann <[email protected]> Thu, 14 Mar 2013 01:42:56 +1300
Newsgroups gmane.comp.encryption.cryptlib
Message-ID <[email protected]>
Lahiru Dissanayake <[email protected]> writes:

>However I get -16 as the status of the last statement. Are password based
>keys not meant to be used with HMAC in Cryptlib, or am I doing something
>wrong?

The algorithm type is being written to the wrong field, to fix it change
context/keyload.c, line 951 from:

  contextInfoPtr->ctxConv->keySetupAlgorithm = hmacAlgo;

to:

  macInfo->keySetupAlgorithm = hmacAlgo;

Peter.

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