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v4.9.39
linux
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fs
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ecryptfs
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Kconfig
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fs/Kconfig: move ecryptfs out Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
2009-01-22 10:50:50 +03:00
fs/ecryptfs: remove depends on CONFIG_EXPERIMENTAL The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: Tyler Hicks <tyhicks@canonical.com> CC: Dustin Kirkland <dustin.kirkland@gazzang.com> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Tyler Hicks <tyhicks@canonical.com>
2012-10-02 11:19:20 -07:00
ecryptfs: improved dependency checking and reporting So, I compiled a 2.6.31-rc5 kernel with ecryptfs and loaded its module. When it came time to mount my filesystem, I got this in dmesg, and it refused to mount: [93577.776637] Unable to allocate crypto cipher with name [aes]; rc = [-2] [93577.783280] Error attempting to initialize key TFM cipher with name = [aes]; rc = [-2] [93577.791183] Error attempting to initialize cipher with name = [aes] and key size = [32]; rc = [-2] [93577.800113] Error parsing options; rc = [-22] I figured from the error message that I'd either forgotten to load "aes" or that my key size was bogus. Neither one of those was the case. In fact, I was missing the CRYPTO_ECB config option and the 'ecb' module. Unfortunately, there's no trace of 'ecb' in that error message. I've done two things to fix this. First, I've modified ecryptfs's Kconfig entry to select CRYPTO_ECB and CRYPTO_CBC. I also took CRYPTO out of the dependencies since the 'select' will take care of it for us. I've also modified the error messages to print a string that should contain both 'ecb' and 'aes' in my error case. That will give any future users a chance of finding the right modules and Kconfig options. I also wonder if we should: select CRYPTO_AES if !EMBEDDED since I think most ecryptfs users are using AES like me. Cc: ecryptfs-devel@lists.launchpad.net Cc: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Dustin Kirkland <kirkland@canonical.com> Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com> [tyhicks@linux.vnet.ibm.com: Removed extra newline, 80-char violation] Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2009-08-27 09:47:07 -07:00
eCryptfs: Remove Kconfig NET dependency and select MD5 eCryptfs no longer uses a netlink interface to communicate with ecryptfsd, so NET is not a valid dependency anymore. MD5 is required and must be built for eCryptfs to be of any use. Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2009-09-29 02:33:59 -05:00
fs/Kconfig: move ecryptfs out Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
2009-01-22 10:50:50 +03:00
eCryptfs: allow userspace messaging to be disabled When the userspace messaging (for the less common case of userspace key wrap/unwrap via ecryptfsd) is not needed, allow eCryptfs to build with it removed. This saves on kernel code size and reduces potential attack surface by removing the /dev/ecryptfs node. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
2013-02-28 00:39:37 -08:00
