public DomainCertificate(byte[] data, uint offset, uint length, bool privateKeyIncluded = false)
: base(0, DateTime.MinValue, DateTime.MinValue, HashFunctionType.MD5)
{
var oOffset = offset;
this.id = DC.GetUInt64(data, offset, Endian.Little);
offset += 8;
// load IPs
this.ip = DC.GetUInt32(data, offset, Endian.Little);
offset += 4;
this.ip6 = DC.Clip(data, offset, 16);
offset += 16;
this.issueDate = DC.GetDateTime(data, offset, Endian.Little);
offset += 8;
this.expireDate = DC.GetDateTime(data, offset, Endian.Little);
offset += 8;
this.domain = Encoding.ASCII.GetString(data, (int)offset + 1, data[offset]);
offset += (uint)data[offset] + 1;
this.authorityName = (Encoding.ASCII.GetString(data, (int)offset + 1, data[offset]));
offset += (uint)data[offset] + 1;
caId = DC.GetUInt64(data, offset, Endian.Little);
offset += 8;
var aea = (AsymetricEncryptionAlgorithmType)(data[offset] >> 5);
if (aea == AsymetricEncryptionAlgorithmType.RSA)
{
var key = new RSAParameters();
uint exponentLength = (uint)data[offset++] & 0x1F;
key.Exponent = DC.Clip(data, offset, exponentLength);
offset += exponentLength;
uint keySize = DC.GetUInt16(data, offset, Endian.Little);
offset += 2;
key.Modulus = DC.Clip(data, offset, keySize);
offset += keySize;
// copy cert data
publicRawData = new byte[offset - oOffset];
Buffer.BlockCopy(data, (int)oOffset, publicRawData, 0, publicRawData.Length);
if (privateKeyIncluded)
{
uint privateKeyLength = (keySize * 3) + (keySize / 2);
privateRawData = DC.Clip(data, offset, privateKeyLength);
uint halfKeySize = keySize / 2;
key.D = DC.Clip(data, offset, keySize);
offset += keySize;
key.DP = DC.Clip(data, offset, halfKeySize);
offset += halfKeySize;
key.DQ = DC.Clip(data, offset, halfKeySize);
offset += halfKeySize;
key.InverseQ = DC.Clip(data, offset, halfKeySize);
offset += halfKeySize;
key.P = DC.Clip(data, offset, halfKeySize);
offset += halfKeySize;
key.Q = DC.Clip(data, offset, halfKeySize);
offset += halfKeySize;
}
// setup rsa
rsa = RSA.Create();// new RSACryptoServiceProvider();
rsa.ImportParameters(key);
this.signature = DC.Clip(data, offset, length - (offset - oOffset));
}
}
