public static AsnBitstring Decode(byte[] source, ref int pos)
{
AsnBitstring instance = new AsnBitstring();
//CheckContextTag(source, ref pos);
pos++;
long length = instance.GetLength(source, ref pos);
// first byte of a bit string denotes how many unused bits are at the end of the bit string
instance.unused = source[pos];
pos++;
length--;
//Console.WriteLine("Bit string, length = {0}, unused = {1}", length, unused);
instance.value = new byte[length];
Array.Copy(source, pos, instance.value, 0, (int)length);
//foreach (var b in value)
//{
// Console.Write(b.ToString("X2"));
//}
//Console.WriteLine("");
pos += (int)length;
return(instance);
}
public static AsnCertificationRequest Decode(byte[] source, ref int pos)
{
AsnCertificationRequest instance = new AsnCertificationRequest();
//CheckContextTag(source, ref pos);
pos++;
long length = instance.GetLength(source, ref pos);
instance.elements.Add(AsnCertificationRequestInfo.Decode(source, ref pos));
instance.elements.Add(AsnAlgorithmIdentifier.Decode(source, ref pos));
instance.elements.Add(AsnBitstring.Decode(source, ref pos));
return(instance);
}
public static AsnCertificate Decode(byte[] source, ref int pos)
{
AsnCertificate instance = new AsnCertificate();
//instance.CheckContextTag(source, ref pos);
pos++;
long len = instance.GetLength(source, ref pos);
instance.elements.Add(AsnToBeSignedCertificate.Decode(source, ref pos));
instance.elements.Add(AsnAlgorithmIdentifier.Decode(source, ref pos));
instance.elements.Add(AsnBitstring.Decode(source, ref pos));
return(instance);
}
public static AsnToBeSignedCertificate Decode(byte[] source, ref int pos)
{
AsnToBeSignedCertificate instance = new AsnToBeSignedCertificate();
//instance.CheckContextTag(source, ref pos);
pos++;
int len = instance.GetLength(source, ref pos);
// peek into the next byte to see if we have an explicit tag (should be there)
if (source[pos] == 0xa0)
{
pos++;
len = instance.GetLength(source, ref pos);
}
instance.version = AsnInteger.Decode(source, ref pos);
instance.serialNumber = AsnInteger.Decode(source, ref pos);
instance.signature = AsnAlgorithmIdentifier.Decode(source, ref pos);
instance.issuer = AsnName.Decode(source, ref pos);
instance.validity = AsnValidity.Decode(source, ref pos);
instance.subject = AsnName.Decode(source, ref pos);
instance.subjectPKInfo = AsnPublicKeyInfo.Decode(source, ref pos);
if (source[pos] == 0xa1)
{
pos++;
instance.GetLength(source, ref pos);
instance.issuerUniqueID = AsnBitstring.Decode(source, ref pos);
}
if (source[pos] == 0xa2)
{
pos++;
instance.GetLength(source, ref pos);
instance.subjectUniqueID = AsnBitstring.Decode(source, ref pos);
}
if (source[pos] == 0xa3)
{
pos++;
instance.GetLength(source, ref pos);
instance.extensions = AsnExtensions.Decode(source, ref pos);
}
return(instance);
}
public static AsnPrivateKeyInfo Decode(byte[] source, ref int pos)
{
AsnPrivateKeyInfo instance = new AsnPrivateKeyInfo();
//CheckContextTag(source, ref pos);
pos++;
int len = instance.GetLength(source, ref pos);
instance.algorithm = AsnAlgorithmIdentifier.Decode(source, ref pos);
instance.publicKey = AsnBitstring.Decode(source, ref pos);
// TODO: further decode publicKey into AsnKeyPair
int bi = 0;
instance.keys = AsnPrivateKeyPair.Decode(instance.publicKey.value, ref bi);
return(instance);
}
public AsnPrivateKeyInfo()
{
algorithm = new AsnAlgorithmIdentifier();
publicKey = new AsnBitstring();
keys = new AsnPrivateKeyPair();
}
