Hi everyone

I need to find a way to decrypt a file at grub, and this file is encrypted
as AES256 (rijndael).

As far as I could check at grub source code, there is a lib
(lib/libgcrypt-grub/cipher/rijndael.c), that implements this algorithm, for
encryption and decryption.

Is there any existing command that I could do this decryption? (I tried but
didn't find anything like this. Just partitions decryption seems to be
supported, not files decryption.)

I was able to compile grub and insmod the gcry_rijndael.mod, but was not
able to do anything with this mod (command). Is there any dependence this
mod need to have installed to make something?

Thanks and Regards
Rafael Machado
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