ExportParameters() [2/2]

static unsafe void System.Security.Cryptography.RSAImplementation.RSACng.ExportParameters ( ref RSAParameters rsaParams, byte[] rsaBlob, bool includePrivateParameters )

inlinestaticprivate

Definition at line 524 of file RSAImplementation.cs.

        {
            global::Interop.BCrypt.KeyBlobMagicNumber magic = (global::Interop.BCrypt.KeyBlobMagicNumber)BitConverter.ToInt32(rsaBlob, 0);
            CheckMagicValueOfKey(magic, includePrivateParameters);
            if (rsaBlob.Length < sizeof(global::Interop.BCrypt.BCRYPT_RSAKEY_BLOB))
            {
                throw global::Interop.NCrypt.ErrorCode.E_FAIL.ToCryptographicException();
            }
            fixed (byte* ptr = &rsaBlob[0])
            {
                global::Interop.BCrypt.BCRYPT_RSAKEY_BLOB* ptr2 = (global::Interop.BCrypt.BCRYPT_RSAKEY_BLOB*)ptr;
                int offset = sizeof(global::Interop.BCrypt.BCRYPT_RSAKEY_BLOB);
                rsaParams.Exponent = global::Interop.BCrypt.Consume(rsaBlob, ref offset, ptr2->cbPublicExp);
                rsaParams.Modulus = global::Interop.BCrypt.Consume(rsaBlob, ref offset, ptr2->cbModulus);
                if (includePrivateParameters)
                {
                    rsaParams.P = global::Interop.BCrypt.Consume(rsaBlob, ref offset, ptr2->cbPrime1);
                    rsaParams.Q = global::Interop.BCrypt.Consume(rsaBlob, ref offset, ptr2->cbPrime2);
                    rsaParams.DP = global::Interop.BCrypt.Consume(rsaBlob, ref offset, ptr2->cbPrime1);
                    rsaParams.DQ = global::Interop.BCrypt.Consume(rsaBlob, ref offset, ptr2->cbPrime2);
                    rsaParams.InverseQ = global::Interop.BCrypt.Consume(rsaBlob, ref offset, ptr2->cbPrime1);
                    rsaParams.D = global::Interop.BCrypt.Consume(rsaBlob, ref offset, ptr2->cbModulus);
                }
            }
        }

References System.Security.Cryptography.RSAImplementation.RSACng.CheckMagicValueOfKey(), System.offset, and System.BitConverter.ToInt32().