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Diffstat (limited to 'man/cryptsetup-luksSuspend.8.adoc')
-rw-r--r-- | man/cryptsetup-luksSuspend.8.adoc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/man/cryptsetup-luksSuspend.8.adoc b/man/cryptsetup-luksSuspend.8.adoc index ed20681..c5f90ce 100644 --- a/man/cryptsetup-luksSuspend.8.adoc +++ b/man/cryptsetup-luksSuspend.8.adoc @@ -20,6 +20,10 @@ Suspends an active device (all IO operations will block and accesses to the device will wait indefinitely) and wipes the encryption key from kernel memory. Needs kernel 2.6.19 or later. +While the _luksSuspend_ operation wipes encryption keys from memory, +it does not remove possible plaintext data in various caches or in-kernel +metadata for mounted filesystems. + After this operation, you have to use _luksResume_ to reinstate the encryption key and unblock the device or _close_ to remove the mapped device. |