Can keyfiles be used to access a volume if the password is forgotten

We would like to know if we can create keyfiles of an existing volume in order to use the keyfiles to open the volume if the user forgets the password.  Some time back an EE commented on keyfiles with similar topic bit haven't been able to find it.   Can this be done? (trying to safeguard access to the volume if the users forget)
rayluvsAsked:
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David Johnson, CD, MVPOwnerCommented:
depends on what you used to encrypt the drive
Truecrypt/VeraCrypt can use keyfiles as the password.
rayluvsAuthor Commented:
When created I didn't use keyfiles, just a long password
Dmitri FarafontovLinux Systems AdminCommented:
GameOver, data is gone sorry.
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rayluvsAuthor Commented:
No, I haven't lost the password.  My concern is more on contingency plan if the user forgets the password; it's more directed to if I can use keyfiles to access a volume if the password is forgotten.

That said,
  • If the user by any chance forgets their password, is there a way by using just keyfiles that I can recover the TC drive with only that, the keyfiles?
  • If so, does the TC drive must have been created keyfiles at the creation of the volume first in order to access by just keyfiles?
  • If we can access a volume with just keyfiles, can we create keyfiles of an existing volume?

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rayluvsAuthor Commented:
Yes, looks interesting and will try it in a small TC volume, but noticed say " before you allow a non-admin user to use the volume." - does that mean if the volume has been  opens and closed for some time, this process it's not successful?
Dmitri FarafontovLinux Systems AdminCommented:
I guess you need to be open to generate a backup header first.
rayluvsAuthor Commented:
ok...trying it
Dmitri FarafontovLinux Systems AdminCommented:
Sounds good!
rayluvsAuthor Commented:
Just tested with a 100mg volume and worked.

Thank you.

I thought that by creating keyfile from a current volume we could've recover a lost password.
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