[File] AES Crypt magic entry
Paul E. Jones
paulej at packetizer.com
Fri Feb 13 00:10:22 UTC 2026
Folks,
I noted on Linux, there is an entry for AES Crypt files. That's awesome,
but it doesn't seem to work. For a while, I had been using my own
definition I'd place in /etc/magic, oblivious to the entry in
/usr/share/misc/magic. It seems the one installed makes some
assumptions about optional file fields (e.g., CREATED_BY), though that
can be a little dangerous since they are optional and order doesn't
matter. That said, the magic data I have used is the one shown below.
This should be stable (and has been) for a while.
Paul
# AES Crypt File
0x00 string AES
>0x04 byte <0x10
>>0x03 byte 0x00 AES Crypt file (stream format 0)
>0x04 byte 0x00
>>0x03 byte x AES Crypt file (stream format %u)
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