/// <summary>
/// Create the private key from DER.
/// </summary>
/// <param name="key">DER Base64 coded string.</param>
/// <returns></returns>
public static GXPrivateKey FromDer(string der)
{
der = der.Replace("\r\n", "");
der = der.Replace("\n", "");
byte[] key = GXCommon.FromBase64(der);
GXAsn1Sequence seq = (GXAsn1Sequence)GXAsn1Converter.FromByteArray(key);
if ((sbyte)seq[0] > 3)
{
throw new ArgumentOutOfRangeException("Invalid private key version.");
}
List <object> tmp = (List <object>)seq[2];
GXPrivateKey value = new GXPrivateKey();
X9ObjectIdentifier id = X9ObjectIdentifierConverter.FromString(tmp[0].ToString());
switch (id)
{
case X9ObjectIdentifier.Prime256v1:
value.Scheme = Ecc.P256;
break;
case X9ObjectIdentifier.Secp384r1:
value.Scheme = Ecc.P384;
break;
default:
if (id == X9ObjectIdentifier.None)
{
throw new ArgumentOutOfRangeException("Invalid private key " + tmp[0].ToString() + ".");
}
else
{
throw new ArgumentOutOfRangeException("Invalid private key " + id + " " + tmp[0].ToString() + ".");
}
}
value.RawValue = (byte[])seq[1];
if (seq[3] is byte[])
{
value.publicKey = GXPublicKey.FromRawBytes((byte[])seq[3]);
}
else
{
//Open SSL PEM.
value.publicKey = GXPublicKey.FromRawBytes(((GXAsn1BitString)((List <object>)seq[3])[0]).Value);
}
return(value);
}
public static string GetString(X9ObjectIdentifier value)
{
switch (value)
{
case X9ObjectIdentifier.IdFieldType:
return("1.2.840.10045.1");
case X9ObjectIdentifier.PrimeField:
return("1.2.840.10045.1");
case X9ObjectIdentifier.CharacteristicTwoField:
return("1.2.840.10045.1.2");
case X9ObjectIdentifier.GNBasis:
return("1.2.840.10045.1.2.3.1");
case X9ObjectIdentifier.TPBasis:
return("1.2.840.10045.1.2.3.2");
case X9ObjectIdentifier.PPBasis:
return("1.2.840.10045.1.2.3.3");
case X9ObjectIdentifier.ECDsaWithSha1:
return("1.2.840.10045.4.1");
case X9ObjectIdentifier.IdECPublicKey:
return("1.2.840.10045.2.1");
case X9ObjectIdentifier.ECDsaWithSha2:
return("1.2.840.10045.4.3");
case X9ObjectIdentifier.ECDsaWithSha224:
return("1.2.840.10045.4.31");
case X9ObjectIdentifier.ECDsaWithSha256:
return("1.2.840.10045.4.32");
case X9ObjectIdentifier.ECDsaWithSha384:
return("1.2.840.10045.4.33");
case X9ObjectIdentifier.ECDsaWithSha512:
return("1.2.840.10045.4.34");
case X9ObjectIdentifier.EllipticCurve:
return("1.2.840.10045.3");
case X9ObjectIdentifier.CTwoCurve:
return("1.2.840.10045.3.0");
case X9ObjectIdentifier.C2Pnb163v1:
return("1.2.840.10045.3.0.1");
case X9ObjectIdentifier.C2Pnb163v2:
return("1.2.840.10045.3.0.2");
case X9ObjectIdentifier.C2Pnb163v3:
return("1.2.840.10045.3.0.3");
case X9ObjectIdentifier.C2Pnb176w1:
return("1.2.840.10045.3.0.4");
case X9ObjectIdentifier.C2Tnb191v1:
return("1.2.840.10045.3.0.5");
case X9ObjectIdentifier.C2Tnb191v2:
return("1.2.840.10045.3.0.6");
case X9ObjectIdentifier.C2Tnb191v3:
return("1.2.840.10045.3.0.7");
case X9ObjectIdentifier.C2Onb191v4:
return("1.2.840.10045.3.0.8");
case X9ObjectIdentifier.C2Onb191v5:
return("1.2.840.10045.3.0.9");
case X9ObjectIdentifier.C2Pnb208w1:
return("1.2.840.10045.3.0.10");
case X9ObjectIdentifier.C2Tnb239v1:
return("1.2.840.10045.3.0.11");
case X9ObjectIdentifier.C2Tnb239v2:
return("1.2.840.10045.3.0.12");
case X9ObjectIdentifier.C2Tnb239v3:
return("1.2.840.10045.3.0.13");
case X9ObjectIdentifier.C2Onb239v4:
return("1.2.840.10045.3.0.14");
case X9ObjectIdentifier.C2Onb239v5:
return("1.2.840.10045.3.0.15");
case X9ObjectIdentifier.C2Pnb272w1:
return("1.2.840.10045.3.0.16");
case X9ObjectIdentifier.C2Pnb304w1:
return("1.2.840.10045.3.0.17");
case X9ObjectIdentifier.C2Tnb359v1:
return("1.2.840.10045.3.0.18");
case X9ObjectIdentifier.C2Pnb368w1:
return("1.2.840.10045.3.0.19");
case X9ObjectIdentifier.C2Tnb431r1:
return("1.2.840.10045.3.0.20");
case X9ObjectIdentifier.PrimeCurve:
return("1.2.840.10045.3.1");
case X9ObjectIdentifier.Prime192v1:
return("1.2.840.10045.3.1.1");
case X9ObjectIdentifier.Prime192v2:
return("1.2.840.10045.3.1.2");
case X9ObjectIdentifier.Prime192v3:
return("1.2.840.10045.3.1.3");
case X9ObjectIdentifier.Prime239v1:
return("1.2.840.10045.3.1.4");
case X9ObjectIdentifier.Prime239v2:
return("1.2.840.10045.3.1.5");
case X9ObjectIdentifier.Prime239v3:
return("1.2.840.10045.3.1.6");
case X9ObjectIdentifier.Prime256v1:
return("1.2.840.10045.3.1.7");
case X9ObjectIdentifier.IdDsa:
return("1.2.840.10040.4.1");
case X9ObjectIdentifier.IdDsaWithSha1:
return("1.2.840.10040.4.3");
case X9ObjectIdentifier.X9x63Scheme:
return("1.3.133.16.840.63.0");
case X9ObjectIdentifier.DHSinglePassStdDHSha1KdfScheme:
return("1.3.133.16.840.63.0.2");
case X9ObjectIdentifier.DHSinglePassCofactorDHSha1KdfScheme:
return("1.3.133.16.840.63.0.3");
case X9ObjectIdentifier.MqvSinglePassSha1KdfScheme:
return("1.3.133.16.840.63.0.16");
case X9ObjectIdentifier.ansi_x9_42:
return("1.2.840.10046");
case X9ObjectIdentifier.DHPublicNumber:
return("1.2.840.10046.2.1");
case X9ObjectIdentifier.X9x42Schemes:
return("1.2.840.10046.2.3");
case X9ObjectIdentifier.DHStatic:
return("1.2.840.10046.2.3.1");
case X9ObjectIdentifier.DHEphem:
return("1.2.840.10046.2.3.2");
case X9ObjectIdentifier.DHOneFlow:
return("1.2.840.10046.2.3.3");
case X9ObjectIdentifier.DHHybrid1:
return("1.2.840.10046.2.3.4");
case X9ObjectIdentifier.DHHybrid2:
return("1.2.840.10046.2.3.5");
case X9ObjectIdentifier.DHHybridOneFlow:
return("1.2.840.10046.2.3.6");
case X9ObjectIdentifier.Mqv2:
return("1.2.840.10046.2.3.7");
case X9ObjectIdentifier.Mqv1:
return("1.2.840.10046.2.3.8");
default:
throw new ArgumentOutOfRangeException("Invalid X509Name. " + value);
}
}
