Beispiel #1
0
        public static AsnPrivateKeyPair Decode(byte[] source, ref int pos)
        {
            AsnPrivateKeyPair instance = new AsnPrivateKeyPair();

            pos++;

            long len = instance.GetLength(source, ref pos);

            instance.version         = AsnInteger.Decode(source, ref pos);
            instance.modulus         = AsnInteger.Decode(source, ref pos);
            instance.exponent        = AsnInteger.Decode(source, ref pos);
            instance.privateExponent = AsnInteger.Decode(source, ref pos);
            instance.prime1          = AsnInteger.Decode(source, ref pos);
            instance.prime2          = AsnInteger.Decode(source, ref pos);
            instance.exp1            = AsnInteger.Decode(source, ref pos);
            instance.exp2            = AsnInteger.Decode(source, ref pos);
            instance.coefficient     = AsnInteger.Decode(source, ref pos);

            // bring the parameters into an RSA format
            instance.parameters.Modulus  = instance.modulus.myValue.ToByteArray();
            instance.parameters.Exponent = instance.exponent.myValue.ToByteArray();
            instance.parameters.D        = instance.privateExponent.myValue.ToByteArray();
            instance.parameters.P        = instance.prime1.myValue.ToByteArray();
            instance.parameters.Q        = instance.prime2.myValue.ToByteArray();
            instance.parameters.DP       = instance.exp1.myValue.ToByteArray();
            instance.parameters.DQ       = instance.exp2.myValue.ToByteArray();
            instance.parameters.InverseQ = instance.coefficient.myValue.ToByteArray();

            return(instance);
        }