If you change the boot loader, the hash does not match anymore.

如果更改引导加载程序，哈希值将不再匹配。

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。

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。

Then it determines what to do, either boot into RCM or do a warm boot or where to load the boot loader from.

然后它确定要做什么，引导进入 RCM 或进行热引导或从何处加载引导加载程序。

JTAGulator was great but couldn't find JTAG at all. And because this device had had some challenges before let's say, it was it had they had a home grown secure boot loader added.

JTAGulator很棒，但根本找不到JTAG。因为这款设备在之前遇到了一些挑战，所以他们添加了一个自制的安全引导加载程序。