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authorrfjakob2018-07-15 11:24:54 +0200
committerGitHub2018-07-15 11:24:54 +0200
commit2ed3f128ddefd4404a5afb49d8ae4b98a5bfd30a (patch)
tree887d422ab284010f8405a3e7d1d7a55f161af3c1
parent95b93db35f451dbaef49ae53c9b69e32dc10e14a (diff)
file-format.md: list full block overhead
For large files, the overhead will be 0.78125 %.
-rw-r--r--Documentation/file-format.md1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/file-format.md b/Documentation/file-format.md
index b0d4b55..ad1fb3f 100644
--- a/Documentation/file-format.md
+++ b/Documentation/file-format.md
@@ -12,6 +12,7 @@ Data block
1-4096 bytes encrypted data
16 bytes GHASH
+Full block overhead = 32/4096 = 1/128 = 0.78125 %
Example: 1-byte file
--------------------