ExportNamedCurveParameters() [2/2]

static unsafe void System.Security.Cryptography.ECCng.ExportNamedCurveParameters ( ref ECParameters ecParams, byte[] ecBlob, bool includePrivateParameters )

inlinestaticpackage

Definition at line 162 of file ECCng.cs.

    {
        global::Interop.BCrypt.KeyBlobMagicNumber magic = (global::Interop.BCrypt.KeyBlobMagicNumber)BitConverter.ToInt32(ecBlob, 0);
        CheckMagicValueOfKey(magic, includePrivateParameters);
        if (ecBlob.Length < sizeof(global::Interop.BCrypt.BCRYPT_ECCKEY_BLOB))
        {
            throw global::Interop.NCrypt.ErrorCode.E_FAIL.ToCryptographicException();
        }
        fixed (byte* ptr = &ecBlob[0])
        {
            global::Interop.BCrypt.BCRYPT_ECCKEY_BLOB* ptr2 = (global::Interop.BCrypt.BCRYPT_ECCKEY_BLOB*)ptr;
            int offset = sizeof(global::Interop.BCrypt.BCRYPT_ECCKEY_BLOB);
            ecParams.Q = new ECPoint
            {
                X = global::Interop.BCrypt.Consume(ecBlob, ref offset, ptr2->cbKey),
                Y = global::Interop.BCrypt.Consume(ecBlob, ref offset, ptr2->cbKey)
            };
            if (includePrivateParameters)
            {
                ecParams.D = global::Interop.BCrypt.Consume(ecBlob, ref offset, ptr2->cbKey);
            }
        }
    }

References System.Security.Cryptography.ECCng.CheckMagicValueOfKey(), System.offset, System.BitConverter.ToInt32(), System.X, and System.Y.