And everything is specified in the BCT.

一切都在 BCT 中指定。

And the BCT is signed so we can't change that.

BCT 已签署，因此我们无法更改。

Here is some handoff data on the BCT.

这是 BCT 上的一些交接数据。

After that, it tries to find on the master device the thing that's called BCT, the boot configuration table.

之后，它会尝试在主设备上找到称为 BCT 的东西，即引导配置表。

You can't change the hash in the BCT after you change the boot loader because that would break the signature.

更改引导加载程序后不能更改 BCT 中的散列，因为那样会破坏签名。

Also, the BCT tells the boot ROM where to find the boot loader, what boot loader to load, and the hash of the boot loader.

此外，BCT 还会告诉引导 ROM 在哪里可以找到引导加载程序、要加载的引导加载程序以及引导加载程序的哈希值。