private static PemObject CreatePemObject(object obj, string algorithm, char[] password, SecureRandom random)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (algorithm == null)
{
throw new ArgumentNullException("algorithm");
}
if (password == null)
{
throw new ArgumentNullException("password");
}
if (random == null)
{
throw new ArgumentNullException("random");
}
if (obj is AsymmetricCipherKeyPair)
{
return(MiscPemGenerator.CreatePemObject(((AsymmetricCipherKeyPair)obj).Private, algorithm, password, random));
}
string text = null;
byte[] array = null;
if (obj is AsymmetricKeyParameter)
{
AsymmetricKeyParameter asymmetricKeyParameter = (AsymmetricKeyParameter)obj;
if (asymmetricKeyParameter.IsPrivate)
{
string str;
array = MiscPemGenerator.EncodePrivateKey(asymmetricKeyParameter, out str);
text = str + " PRIVATE KEY";
}
}
if (text == null || array == null)
{
throw new PemGenerationException("Object type not supported: " + obj.GetType().FullName);
}
string text2 = Platform.ToUpperInvariant(algorithm);
if (text2 == "DESEDE")
{
text2 = "DES-EDE3-CBC";
}
int num = text2.StartsWith("AES-") ? 16 : 8;
byte[] array2 = new byte[num];
random.NextBytes(array2);
byte[] content = PemUtilities.Crypt(true, array, password, text2, array2);
IList list = Platform.CreateArrayList(2);
list.Add(new PemHeader("Proc-Type", "4,ENCRYPTED"));
list.Add(new PemHeader("DEK-Info", text2 + "," + Hex.ToHexString(array2)));
return(new PemObject(text, list, content));
}
public PemObject Generate()
{
PemObject result;
try
{
if (this.algorithm != null)
{
result = MiscPemGenerator.CreatePemObject(this.obj, this.algorithm, this.password, this.random);
}
else
{
result = MiscPemGenerator.CreatePemObject(this.obj);
}
}
catch (IOException exception)
{
throw new PemGenerationException("encoding exception", exception);
}
return(result);
}
private static PemObject CreatePemObject(object obj)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (obj is AsymmetricCipherKeyPair)
{
return(MiscPemGenerator.CreatePemObject(((AsymmetricCipherKeyPair)obj).Private));
}
if (obj is PemObject)
{
return((PemObject)obj);
}
if (obj is PemObjectGenerator)
{
return(((PemObjectGenerator)obj).Generate());
}
string type;
byte[] content;
if (obj is X509Certificate)
{
type = "CERTIFICATE";
try
{
content = ((X509Certificate)obj).GetEncoded();
goto IL_16F;
}
catch (CertificateEncodingException ex)
{
throw new IOException("Cannot Encode object: " + ex.ToString());
}
}
if (obj is X509Crl)
{
type = "X509 CRL";
try
{
content = ((X509Crl)obj).GetEncoded();
goto IL_16F;
}
catch (CrlException ex2)
{
throw new IOException("Cannot Encode object: " + ex2.ToString());
}
}
if (obj is AsymmetricKeyParameter)
{
AsymmetricKeyParameter asymmetricKeyParameter = (AsymmetricKeyParameter)obj;
if (asymmetricKeyParameter.IsPrivate)
{
string str;
content = MiscPemGenerator.EncodePrivateKey(asymmetricKeyParameter, out str);
type = str + " PRIVATE KEY";
}
else
{
type = "PUBLIC KEY";
content = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(asymmetricKeyParameter).GetDerEncoded();
}
}
else if (obj is IX509AttributeCertificate)
{
type = "ATTRIBUTE CERTIFICATE";
content = ((X509V2AttributeCertificate)obj).GetEncoded();
}
else if (obj is Pkcs10CertificationRequest)
{
type = "CERTIFICATE REQUEST";
content = ((Pkcs10CertificationRequest)obj).GetEncoded();
}
else
{
if (!(obj is Org.BouncyCastle.Asn1.Cms.ContentInfo))
{
throw new PemGenerationException("Object type not supported: " + obj.GetType().FullName);
}
type = "PKCS7";
content = ((Org.BouncyCastle.Asn1.Cms.ContentInfo)obj).GetEncoded();
}
IL_16F:
return(new PemObject(type, content));
}
