/**
* Parse a {@link CertificateRequest} from a {@link Stream}.
*
* @param context
* the {@link TlsContext} of the current connection.
* @param input
* the {@link Stream} to parse from.
* @return a {@link CertificateRequest} object.
* @throws IOException
*/
public static CertificateRequest Parse(TlsContext context, Stream input)
{
int numTypes = TlsUtilities.ReadUint8(input);
byte[] certificateTypes = new byte[numTypes];
for (int i = 0; i < numTypes; ++i)
{
certificateTypes[i] = TlsUtilities.ReadUint8(input);
}
IList supportedSignatureAlgorithms = null;
if (TlsUtilities.IsTlsV12(context))
{
// TODO Check whether SignatureAlgorithm.anonymous is allowed here
supportedSignatureAlgorithms = TlsUtilities.ParseSupportedSignatureAlgorithms(false, input);
}
IList certificateAuthorities = Platform.CreateArrayList();
byte[] certAuthData = TlsUtilities.ReadOpaque16(input);
MemoryStream bis = new MemoryStream(certAuthData, false);
while (bis.Position < bis.Length)
{
byte[] derEncoding = TlsUtilities.ReadOpaque16(bis);
Asn1Object asn1 = TlsUtilities.ReadDerObject(derEncoding);
// TODO Switch to X500Name when available
certificateAuthorities.Add(X509Name.GetInstance(asn1));
}
return(new CertificateRequest(certificateTypes, supportedSignatureAlgorithms, certificateAuthorities));
}
public static CertificateRequest Parse(TlsContext context, Stream input)
{
int num = TlsUtilities.ReadUint8(input);
byte[] array = new byte[num];
for (int i = 0; i < num; i++)
{
array[i] = TlsUtilities.ReadUint8(input);
}
IList supportedSignatureAlgorithms = null;
if (TlsUtilities.IsTlsV12(context))
{
supportedSignatureAlgorithms = TlsUtilities.ParseSupportedSignatureAlgorithms(allowAnonymous: false, input);
}
IList list = Platform.CreateArrayList();
byte[] buffer = TlsUtilities.ReadOpaque16(input);
MemoryStream memoryStream = new MemoryStream(buffer, writable: false);
while (memoryStream.Position < memoryStream.Length)
{
byte[] encoding = TlsUtilities.ReadOpaque16(memoryStream);
Asn1Object obj = TlsUtilities.ReadDerObject(encoding);
list.Add(X509Name.GetInstance(obj));
}
return(new CertificateRequest(array, supportedSignatureAlgorithms, list));
}