public PkiMessage(
PkiHeader header,
PkiBody body,
DerBitString protection)
: this(header, body, protection, null)
{
}
private byte[] CalculateSignature(IStreamCalculator signer, PkiHeader header, PkiBody body)
{
Asn1EncodableVector avec = new Asn1EncodableVector();
avec.Add(header);
avec.Add(body);
byte[] encoded = new DerSequence(avec).GetEncoded();
signer.Stream.Write(encoded, 0, encoded.Length);
Object result = signer.GetResult();
if (result is DefaultSignatureResult)
{
return(((DefaultSignatureResult)result).Collect());
}
else if (result is IBlockResult)
{
return(((IBlockResult)result).Collect());
}
else if (result is byte[])
{
return((byte[])result);
}
throw new InvalidOperationException("result is not byte[] or DefaultSignatureResult");
}
public PkiMessage(PkiHeader header, PkiBody body, DerBitString protection, CmpCertificate[] extraCerts)
{
this.header = header;
this.body = body;
this.protection = protection;
if (extraCerts != null)
{
this.extraCerts = new DerSequence(extraCerts);
}
}
public ProtectedPkiMessage Build(IMacFactory factory)
{
IStreamCalculator calculator = factory.CreateCalculator();
FinalizeHeader((AlgorithmIdentifier)factory.AlgorithmDetails);
PkiHeader header = hdrBuilBuilder.Build();
DerBitString protection = new DerBitString(CalculateSignature(calculator, header, body));
return(FinalizeMessage(header, protection));
}
public ProtectedPkiMessage Build(ISignatureFactory signatureFactory)
{
IStreamCalculator calculator = signatureFactory.CreateCalculator();
if (!(signatureFactory.AlgorithmDetails is AlgorithmIdentifier))
{
throw new ArgumentException("AlgorithmDetails is not AlgorithmIdentifier");
}
FinalizeHeader((AlgorithmIdentifier)signatureFactory.AlgorithmDetails);
PkiHeader header = hdrBuilBuilder.Build();
DerBitString protection = new DerBitString(CalculateSignature(calculator, header, body));
return(FinalizeMessage(header, protection));
}
public ProtectedPkiMessage Build(IMacFactory factory)
{
if (null == body)
{
throw new InvalidOperationException("body must be set before building");
}
IStreamCalculator calculator = factory.CreateCalculator();
FinalizeHeader((AlgorithmIdentifier)factory.AlgorithmDetails);
PkiHeader header = hdrBuilBuilder.Build();
DerBitString protection = new DerBitString(CalculateSignature(calculator, header, body));
return(FinalizeMessage(header, protection));
}
private ProtectedPkiMessage FinalizeMessage(PkiHeader header, DerBitString protection)
{
if (extraCerts.Count > 0)
{
CmpCertificate[] cmpCertificates = new CmpCertificate[extraCerts.Count];
for (int i = 0; i < cmpCertificates.Length; i++)
{
byte[] cert = ((X509Certificate)extraCerts[i]).GetEncoded();
cmpCertificates[i] = CmpCertificate.GetInstance((Asn1Sequence.FromByteArray(cert)));
}
return(new ProtectedPkiMessage(new PkiMessage(header, body, protection, cmpCertificates)));
}
return(new ProtectedPkiMessage(new PkiMessage(header, body, protection)));
}
private PkiMessage(Asn1Sequence seq)
{
header = PkiHeader.GetInstance(seq[0]);
body = PkiBody.GetInstance(seq[1]);
for (int i = 2; i < seq.Count; i++)
{
Asn1TaggedObject asn1TaggedObject = (Asn1TaggedObject)seq[i].ToAsn1Object();
if (asn1TaggedObject.TagNo == 0)
{
protection = DerBitString.GetInstance(asn1TaggedObject, isExplicit: true);
}
else
{
extraCerts = Asn1Sequence.GetInstance(asn1TaggedObject, explicitly: true);
}
}
}
private PkiMessage(Asn1Sequence seq)
{
header = PkiHeader.GetInstance(seq[0]);
body = PkiBody.GetInstance(seq[1]);
for (int pos = 2; pos < seq.Count; ++pos)
{
Asn1TaggedObject tObj = (Asn1TaggedObject)seq[pos].ToAsn1Object();
if (tObj.TagNo == 0)
{
protection = DerBitString.GetInstance(tObj, true);
}
else
{
extraCerts = Asn1Sequence.GetInstance(tObj, true);
}
}
}
public virtual PkiHeader Build()
{
Asn1EncodableVector v = new Asn1EncodableVector(pvno, sender, recipient);
AddOptional(v, 0, messageTime);
AddOptional(v, 1, protectionAlg);
AddOptional(v, 2, senderKID);
AddOptional(v, 3, recipKID);
AddOptional(v, 4, transactionID);
AddOptional(v, 5, senderNonce);
AddOptional(v, 6, recipNonce);
AddOptional(v, 7, freeText);
AddOptional(v, 8, generalInfo);
messageTime = null;
protectionAlg = null;
senderKID = null;
recipKID = null;
transactionID = null;
senderNonce = null;
recipNonce = null;
freeText = null;
generalInfo = null;
return(PkiHeader.GetInstance(new DerSequence(v)));
}
public PkiMessage(
PkiHeader header,
PkiBody body)
: this(header, body, null, null)
{
}
public ProtectedPart(PkiHeader header, PkiBody body)
{
this.header = header;
this.body = body;
}
private ProtectedPart(Asn1Sequence seq)
{
header = PkiHeader.GetInstance(seq[0]);
body = PkiBody.GetInstance(seq[1]);
}