You keep the drive encrypted while you are using it, and then when you want to wipe the data, you just wipe the part of the drive holding data related to computing the encryption key. You don’t touch the rest of the drive, but without the encryption key it’s effectively random noise.
You keep the drive encrypted while you are using it, and then when you want to wipe the data, you just wipe the part of the drive holding data related to computing the encryption key. You don’t touch the rest of the drive, but without the encryption key it’s effectively random noise.