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Commit 09f5412c authored by Kees Cook's avatar Kees Cook Committed by Jonathan Corbet
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doc: ReSTify keys-ecryptfs.txt



Adjusts for ReST markup and moves under keys security devel index.

Cc: David Howells <dhowells@redhat.com>
Cc: Tyler Hicks <tyhicks@canonical.com>
Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent b68101a1
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+0 −2
Original line number Diff line number Diff line
00-INDEX
	- this file.
keys-ecryptfs.txt
	- description of the encryption keys for the ecryptfs filesystem.
keys-request-key.txt
	- description of the kernel key request service.
keys-trusted-encrypted.txt
+12 −7
Original line number Diff line number Diff line
==========================================
Encrypted keys for the eCryptfs filesystem
==========================================

ECryptfs is a stacked filesystem which transparently encrypts and decrypts each
file using a randomly generated File Encryption Key (FEK).
@@ -35,11 +37,14 @@ controlled environment. Another advantage is that the key is not exposed to
threats of malicious software, because it is available in clear form only at
kernel level.

Usage:
Usage::

   keyctl add encrypted name "new ecryptfs key-type:master-key-name keylen" ring
   keyctl add encrypted name "load hex_blob" ring
   keyctl update keyid "update key-type:master-key-name"

Where::

	name:= '<16 hexadecimal characters>'
	key-type:= 'trusted' | 'user'
	keylen:= 64
@@ -48,7 +53,7 @@ keylen:= 64
Example of encrypted key usage with the eCryptfs filesystem:

Create an encrypted key "1000100010001000" of length 64 bytes with format
'ecryptfs' and save it using a previously loaded user key "test":
'ecryptfs' and save it using a previously loaded user key "test"::

    $ keyctl add encrypted 1000100010001000 "new ecryptfs user:test 64" @u
    19184530
@@ -62,7 +67,7 @@ Create an encrypted key "1000100010001000" of length 64 bytes with format
    $ keyctl pipe 19184530 > ecryptfs.blob

Mount an eCryptfs filesystem using the created encrypted key "1000100010001000"
into the '/secret' directory:
into the '/secret' directory::

    $ mount -i -t ecryptfs -oecryptfs_sig=1000100010001000,\
      ecryptfs_cipher=aes,ecryptfs_key_bytes=32 /secret /secret
+1 −0
Original line number Diff line number Diff line
@@ -6,3 +6,4 @@ Kernel Keys
   :maxdepth: 1

   core
   ecryptfs