public ITestResult Perform()
{
SmimeCapabilityVector caps = new SmimeCapabilityVector();
caps.AddCapability(SmimeCapability.DesEde3Cbc);
caps.AddCapability(SmimeCapability.RC2Cbc, 128);
caps.AddCapability(SmimeCapability.DesCbc);
SmimeCapabilitiesAttribute attr = new SmimeCapabilitiesAttribute(caps);
SmimeEncryptionKeyPreferenceAttribute pref = new SmimeEncryptionKeyPreferenceAttribute(
new RecipientKeyIdentifier(new DerOctetString(new byte[8]),
new DerGeneralizedTime("20070315173729Z"),
null));
try
{
if (!Arrays.AreEqual(attr.GetEncoded(), attrBytes))
{
return(new SimpleTestResult(false, Name + ": Failed attr data check"));
}
Asn1Object o = Asn1Object.FromByteArray(attrBytes);
if (!attr.Equals(o))
{
return(new SimpleTestResult(false, Name + ": Failed equality test for attr"));
}
if (!Arrays.AreEqual(pref.GetEncoded(), prefBytes))
{
return(new SimpleTestResult(false, Name + ": Failed attr data check"));
}
o = Asn1Object.FromByteArray(prefBytes);
if (!pref.Equals(o))
{
return(new SimpleTestResult(false, Name + ": Failed equality test for pref"));
}
return(new SimpleTestResult(true, Name + ": Okay"));
}
catch (Exception e)
{
return(new SimpleTestResult(false, Name + ": Failed - exception " + e.ToString(), e));
}
}
internal SmimeCapabilitiesAttribute GetSecureMimeCapabilitiesAttribute()
{
var capabilities = new SmimeCapabilityVector();
foreach (var algorithm in EncryptionAlgorithmRank)
{
if (!IsEnabled(algorithm))
{
continue;
}
switch (algorithm)
{
case EncryptionAlgorithm.Aes128:
capabilities.AddCapability(SmimeCapabilities.Aes128Cbc);
break;
case EncryptionAlgorithm.Aes192:
capabilities.AddCapability(SmimeCapabilities.Aes192Cbc);
break;
case EncryptionAlgorithm.Aes256:
capabilities.AddCapability(SmimeCapabilities.Aes256Cbc);
break;
case EncryptionAlgorithm.Blowfish:
capabilities.AddCapability(Blowfish);
break;
case EncryptionAlgorithm.Camellia128:
capabilities.AddCapability(NttObjectIdentifiers.IdCamellia128Cbc);
break;
case EncryptionAlgorithm.Camellia192:
capabilities.AddCapability(NttObjectIdentifiers.IdCamellia192Cbc);
break;
case EncryptionAlgorithm.Camellia256:
capabilities.AddCapability(NttObjectIdentifiers.IdCamellia256Cbc);
break;
case EncryptionAlgorithm.Cast5:
capabilities.AddCapability(SmimeCapabilities.Cast5Cbc);
break;
case EncryptionAlgorithm.Des:
capabilities.AddCapability(SmimeCapabilities.DesCbc);
break;
case EncryptionAlgorithm.Idea:
capabilities.AddCapability(SmimeCapabilities.IdeaCbc);
break;
case EncryptionAlgorithm.RC240:
capabilities.AddCapability(SmimeCapabilities.RC2Cbc, 40);
break;
case EncryptionAlgorithm.RC264:
capabilities.AddCapability(SmimeCapabilities.RC2Cbc, 64);
break;
case EncryptionAlgorithm.RC2128:
capabilities.AddCapability(SmimeCapabilities.RC2Cbc, 128);
break;
case EncryptionAlgorithm.Seed:
capabilities.AddCapability(KisaObjectIdentifiers.IdSeedCbc);
break;
case EncryptionAlgorithm.TripleDes:
capabilities.AddCapability(SmimeCapabilities.DesEde3Cbc);
break;
//case EncryptionAlgorithm.Twofish:
// capabilities.AddCapability (Twofish);
// break;
}
}
return(new SmimeCapabilitiesAttribute(capabilities));
}
public SmimeCapabilitiesAttribute(SmimeCapabilityVector capabilities)
: base(SmimeAttributes.SmimeCapabilities, new DerSet(new DerSequence(capabilities.ToAsn1EncodableVector())))
{
}
