◆ ImportParameters()

unsafe override void System.Security.Cryptography.RSAImplementation.RSACng.ImportParameters ( RSAParameters parameters )
inline
Definition at line 374 of file RSAImplementation.cs.
        {
            if (parameters.Exponent == null || parameters.Modulus == null)
            {
                throw new CryptographicException(System.SR.Cryptography_InvalidRsaParameters);
            }
            bool flag;
            if (parameters.D == null)
            {
                flag = false;
                if (parameters.P != null || parameters.DP != null || parameters.Q != null || parameters.DQ != null || parameters.InverseQ != null)
                {
                    throw new CryptographicException(System.SR.Cryptography_InvalidRsaParameters);
                }
            }
            else
            {
                flag = true;
                if (parameters.P == null || parameters.DP == null || parameters.Q == null || parameters.DQ == null || parameters.InverseQ == null)
                {
                    throw new CryptographicException(System.SR.Cryptography_InvalidRsaParameters);
                }
                int num = (parameters.Modulus.Length + 1) / 2;
                if (parameters.D.Length != parameters.Modulus.Length || parameters.P.Length != num || parameters.Q.Length != num || parameters.DP.Length != num || parameters.DQ.Length != num || parameters.InverseQ.Length != num)
                {
                    throw new CryptographicException(System.SR.Cryptography_InvalidRsaParameters);
                }
            }
            int num2 = sizeof(global::Interop.BCrypt.BCRYPT_RSAKEY_BLOB) + parameters.Exponent.Length + parameters.Modulus.Length;
            if (flag)
            {
                num2 += parameters.P.Length + parameters.Q.Length;
            }
            byte[] array = new byte[num2];
            fixed (byte* ptr = &array[0])
            {
                global::Interop.BCrypt.BCRYPT_RSAKEY_BLOB* ptr2 = (global::Interop.BCrypt.BCRYPT_RSAKEY_BLOB*)ptr;
                ptr2->Magic = (flag ? global::Interop.BCrypt.KeyBlobMagicNumber.BCRYPT_RSAPRIVATE_MAGIC : global::Interop.BCrypt.KeyBlobMagicNumber.BCRYPT_RSAPUBLIC_MAGIC);
                ptr2->BitLength = parameters.Modulus.Length * 8;
                ptr2->cbPublicExp = parameters.Exponent.Length;
                ptr2->cbModulus = parameters.Modulus.Length;
                if (flag)
                {
                    ptr2->cbPrime1 = parameters.P.Length;
                    ptr2->cbPrime2 = parameters.Q.Length;
                }
                int offset = sizeof(global::Interop.BCrypt.BCRYPT_RSAKEY_BLOB);
                global::Interop.BCrypt.Emit(array, ref offset, parameters.Exponent);
                global::Interop.BCrypt.Emit(array, ref offset, parameters.Modulus);
                if (flag)
                {
                    global::Interop.BCrypt.Emit(array, ref offset, parameters.P);
                    global::Interop.BCrypt.Emit(array, ref offset, parameters.Q);
                }
            }
            ImportKeyBlob(array, flag);
        }