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Re: [iaik-jce] PKCS#7 SignerInfo with DSA

Currently the PKCS#7 implementation of IAIK-JCE only can be used for
encrypting the digest with the RSA encryption method. This is because
iaik.pkcs.pkcs7.SignedData(Stream) mainly has been designed to be used for
S/MIMEv2 which recommends RSA. Second, the implementation is stream based
and the digest(s) is computed by means DigestInputStreams. However, we will
include a DSA capability to work for providers allowing to compute a DSA
signature without the necessicity of calculating the digest inside the
Signature class. The IAIK provider allows this when calling
Signature.getInstance with "RawDSA" as algorithm name.

Dieter Bratko

----- Original Message -----
From: Stephan Rein <stephan.rein@ixos.de>
To: <iaik-jce@iaik.tu-graz.ac.at>
Sent: Friday, January 21, 2000 8:49 AM
Subject: [iaik-jce] PKCS#7 SignerInfo with DSA

> Hi,
> I have problems with generating a PKCS#7 SignedData object with a
> that contains a DSA key. I can see that the algorithm is rsaencryption, is
> that the problem?
> Am I able to sign with DSA?
> Here is the result of the SignedData object in base64:
> Regards
> Stephan Rein
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