private Attribute MakeSigningCertificateAttribute(SignatureParameters parameters)
{
try
{
byte[] certHash = DigestUtilities.CalculateDigest
(parameters.DigestAlgorithm.GetName(),
parameters.SigningCertificate.GetEncoded());
if (parameters.DigestAlgorithm == DigestAlgorithm.SHA1)
{
SigningCertificate sc = new SigningCertificate(new EssCertID(certHash));
return new Attribute(PkcsObjectIdentifiers.IdAASigningCertificate, new DerSet(sc
));
}
else
{
EssCertIDv2 essCert = new EssCertIDv2(new AlgorithmIdentifier(parameters.DigestAlgorithm
.GetOid()), certHash);
SigningCertificateV2 scv2 = new SigningCertificateV2(new EssCertIDv2[] { essCert }
);
return new Attribute(PkcsObjectIdentifiers.IdAASigningCertificateV2, new DerSet
(scv2));
}
}
catch (NoSuchAlgorithmException e)
{
throw new RuntimeException(e);
}
catch (CertificateException e)
{
throw new RuntimeException(e);
}
}
public EssCertIDv2[] GetCerts()
{
EssCertIDv2[] certIds = new EssCertIDv2[certs.Count];
for (int i = 0; i != certs.Count; i++)
{
certIds[i] = EssCertIDv2.GetInstance(certs[i]);
}
return certIds;
}
public override void PerformTest()
{
// check GetInstance on default algorithm.
byte[] digest = new byte[32];
EssCertIDv2 essCertIdv2 = new EssCertIDv2(
new AlgorithmIdentifier(NistObjectIdentifiers.IdSha256), digest);
Asn1Object asn1Object = essCertIdv2.ToAsn1Object();
EssCertIDv2.GetInstance(asn1Object);
}
public SigningCertificateV2(
EssCertIDv2[] certs,
PolicyInformation[] policies)
{
this.certs = new DerSequence(certs);
if (policies != null)
{
this.policies = new DerSequence(policies);
}
}
internal CertID(EssCertIDv2 certID)
{
this.certIDv2 = certID;
this.certID = null;
}
public SigningCertificateV2(
EssCertIDv2[] certs)
{
this.certs = new DerSequence(certs);
}