I have recently installed Ubuntu 16.04 LTS on my Laptop and choose to encrypt the root and swap partitions (there are other two windows partitions not encrypted). They encrypt type is plain (no LUK). Could anybody tell me whether it is possible to decrypt the linux partition without format the harddisk? I have the pass-phrase at hand.
Sorry it seems a duplicated question but I can not get a clear answer somewhere about this problem.
Thank you very much!