There is a little bit of information available at www.openssl.org which might assist
you
On Wed, Feb 14, 2001 at 10:47:09AM +0100, Eneko Lacunza wrote:
> Hello,
>
> I'm trying to implement a layer for secure messaging following
> ISO/IEC 7816-4, using a Towitoko drive and a Starcos Card. Everything is
> working but the Secure Messaging, it seems that I'm unable to calculate
> cryptographic checksum (CC) right. Starcos manuals give a quite vague
> description of the algorithm; specifically, using either DES or 3-DES, the
> result is a 8 byte block, but Secure Messaging uses CCs of 4 bytes.
>
> If anyone has any experience with this issue, or has any good
> documentation reference (other that the ISO standard which I don't have, and
> StarcOS manuals) I'll apreciate any help.
>
> Thanks in advance.
>
> Eneko Lacunza
> Dpto. Técnico
> PANDA SOFTWARE
> Buenos Aires, 12
> 48001 BILBAO - ESPAÑA
> Teléfono: 902 24 365 4 Fax: 94 424 46 97
>
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>
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> Linux Smart Card Developers - M.U.S.C.L.E.
> (Movement for the Use of Smart Cards in a Linux Environment)
> http://www.linuxnet.com/smartcard/index.html
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Linux Smart Card Developers - M.U.S.C.L.E.
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