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authorAurélien Aptel <aaptel@suse.com>2017-05-24 17:13:25 +0300
committerSteve French <smfrench@gmail.com>2017-07-06 03:51:04 +0300
commitd38de3c6156b97e4900a345124d06b6ead2d6bee (patch)
tree6ed6293bbf4eb877aa6c06cf79fb4f48be0491e8 /fs/cifs/Kconfig
parent97b37f241672c6b369486ac270de5ab14eb354ea (diff)
downloadlinux-d38de3c6156b97e4900a345124d06b6ead2d6bee.tar.xz
CIFS: add CONFIG_CIFS_DEBUG_KEYS to dump encryption keys
Add new config option that dumps AES keys to the console when they are generated. This is obviously for debugging purposes only, and should not be enabled otherwise. Signed-off-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/Kconfig')
-rw-r--r--fs/cifs/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
index 034f00f21390..afeefe79c25e 100644
--- a/fs/cifs/Kconfig
+++ b/fs/cifs/Kconfig
@@ -146,6 +146,15 @@ config CIFS_DEBUG2
option can be turned off unless you are debugging
cifs problems. If unsure, say N.
+config CIFS_DEBUG_DUMP_KEYS
+ bool "Dump encryption keys for offline decryption (Unsafe)"
+ depends on CIFS_DEBUG && CIFS_SMB2
+ help
+ Enabling this will dump the encryption and decryption keys
+ used to communicate on an encrypted share connection on the
+ console. This allows Wireshark to decrypt and dissect
+ encrypted network captures. Enable this carefully.
+
config CIFS_DFS_UPCALL
bool "DFS feature support"
depends on CIFS && KEYS