/// <summary>
/// Create a new Subordinate CA certificate request using the setup parameters from a CAConfig object
/// </summary>
/// <remarks>Only System cryptography supported</remarks>
/// <param name="Config">CAConfig object</param>
/// <returns>PKCS#10 certificate request</returns>
public static Pkcs10CertificationRequest CreateSubCA(CAConfig Config)
{
if (Config.profile != CA_Profile.SubCA)
{
throw new ArgumentException("Invalid profile specified", Config.profile.ToString());
}
if (!Config.FIPS140)
{
throw new InvalidParameterException("Only FIPS mode supported");
}
// Serial number
BigInteger serialNumber = new BigInteger(1, BitConverter.GetBytes(DateTime.Now.Ticks));
// Key material
CspParameters cspParam = SysKeyManager.Create(Config.pkSize, Config.pkAlgo, Config.name);
// PKCS#10 Request
Pkcs10CertificationRequestDelaySigned p10 = new Pkcs10CertificationRequestDelaySigned(
Config.sigAlgo,
Config.DN,
SysKeyManager.getPublicKey(cspParam, Config.pkAlgo),
null);
// Signature
byte[] buffer = p10.GetDataToSign();
byte[] signature = SysSigner.Sign(buffer, cspParam, Config.sigAlgo);
p10.SignRequest(signature);
if (!p10.Verify())
{
throw new SignatureException("Cannot validate POP signature");
}
// Create the CA Config file
createPendingCAConfig(Config, serialNumber, p10, "");
return(p10);
}
/// <summary>
/// Create a new Subordinate CA using the setup parameters from a CAConfig object
/// The Issuing CA must be available to create and sign a certificate
/// </summary>
/// <param name="Config">CAConfig object</param>
/// <param name="IssuingCA">Object reference for issuing CA</param>
/// <returns>Full pathname of CA config file</returns>
public static string CreateSubCA(CAConfig Config, ICA IssuingCA)
{
if (Config.profile != CA_Profile.SubCA)
{
throw new ArgumentException("Invalid profile specified", Config.profile.ToString());
}
// Serial number
BigInteger serialNumber = new BigInteger(1, BitConverter.GetBytes(DateTime.Now.Ticks));
// Key material
Pkcs10CertificationRequest p10;
if (Config.FIPS140)
{
privateKeyCapi = SysKeyManager.Create(Config.pkSize, Config.pkAlgo, Config.name);
// PKCS#10 Request
p10 = new Pkcs10CertificationRequestDelaySigned(
Config.sigAlgo,
Config.DN,
SysKeyManager.getPublicKey(privateKeyCapi, Config.pkAlgo),
null);
// Signature
byte[] buffer = ((Pkcs10CertificationRequestDelaySigned)p10).GetDataToSign();
byte[] signature = SysSigner.Sign(buffer, privateKeyCapi, Config.sigAlgo);
((Pkcs10CertificationRequestDelaySigned)p10).SignRequest(signature);
}
else
{
keyPair = BcKeyManager.Create(Config.pkSize, Config.pkAlgo);
// Create a system CspParameters entry for use by XmlSigner
privateKeyCapi = SysKeyManager.LoadCsp(keyPair.Private);
// PKCS#10 Request
p10 = new Pkcs10CertificationRequest(
Config.sigAlgo,
Config.DN,
keyPair.Public,
null,
keyPair.Private);
}
// Test the signature
if (!p10.Verify())
{
throw new SignatureException("Cannot validate POP signature");
}
// Request cert from issuing CA
X509Certificate cert = IssuingCA.IssueCertificate(p10, new Profile.Profile(Config.profileFile));
string configFile;
if (Config.FIPS140)
{
// Create the CA Config file
configFile = createFinalCAConfig(Config, serialNumber, cert, null);
LogEvent.WriteEvent(eventLog, LogEvent.EventType.CreateCA, "Subordinate CA (FIPS) Created: " + configFile);
}
else
{
// Store key material in a PKCS#12 file
MemoryStream stream = BcKeyManager.SaveP12(keyPair.Private, cert, Config.password, Config.name);
string caKey = Convert.ToBase64String(stream.ToArray());
// Create the CA Config file
configFile = createFinalCAConfig(Config, serialNumber, null, caKey);
LogEvent.WriteEvent(eventLog, LogEvent.EventType.CreateCA, "Root CA (BC) Created: " + configFile);
}
// Create CA database
Database.CreateDB(Config, cert, privateKeyCapi);
return(configFile);
}
