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authorJakob Unterwurzacher2015-12-19 14:41:39 +0100
committerJakob Unterwurzacher2015-12-19 15:02:29 +0100
commit1caa9258685fa5fad8935d3bfcd0eac7d7f84f1e (patch)
treeabc1e46f269f9ef8f05d812e13fcdf2bae68d298 /Documentation/MANPAGE.md
parent88826dc51d7919ef8b190c079955230e653323e2 (diff)
Increase GCM IV size from 96 to 128 bits
This pushes back the birthday bound for collisions to make it virtually irrelevant.
Diffstat (limited to 'Documentation/MANPAGE.md')
-rw-r--r--Documentation/MANPAGE.md5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/MANPAGE.md b/Documentation/MANPAGE.md
index 446ce37..2e440b2 100644
--- a/Documentation/MANPAGE.md
+++ b/Documentation/MANPAGE.md
@@ -57,6 +57,11 @@ to mount the gocryptfs filesytem without user interaction.
**-fusedebug**
: Enable fuse library debug output
+**-gcmiv128**
+: Use an 128-bit IV for GCM encryption instead of Go's default of
+96 bits (default true). This pushes back the birthday bound for IV
+collisions far enough to make it irrelevant.
+
**-init**
: Initialize encrypted directory