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linux/certs/Kconfig

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Move certificate handling to its own directory Move certificate handling out of the kernel/ directory and into a certs/ directory to get all the weird stuff in one place and move the generated signing keys into this directory. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: David Woodhouse <David.Woodhouse@intel.com>
2015-08-14 15:20:41 +01:00
KEYS: Make the system trusted keyring depend on the asymmetric key type Make the system trusted keyring depend on the asymmetric key type as there's not a lot of point having it if you can't then load asymmetric keys onto it. This requires the ASYMMETRIC_KEY_TYPE to be made a bool, not a tristate, as the Kconfig language doesn't then correctly force ASYMMETRIC_KEY_TYPE to 'y' rather than 'm' if SYSTEM_TRUSTED_KEYRING is 'y'. Making SYSTEM_TRUSTED_KEYRING *select* ASYMMETRIC_KEY_TYPE instead doesn't work as the Kconfig interpreter then wrongly complains about dependency loops. Signed-off-by: David Howells <dhowells@redhat.com>
2016-04-06 16:14:26 +01:00
Move certificate handling to its own directory Move certificate handling out of the kernel/ directory and into a certs/ directory to get all the weird stuff in one place and move the generated signing keys into this directory. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: David Woodhouse <David.Woodhouse@intel.com>
2015-08-14 15:20:41 +01:00
KEYS: Reserve an extra certificate symbol for inserting without recompiling Place a system_extra_cert buffer of configurable size, right after the system_certificate_list, so that inserted keys can be readily processed by the existing mechanism. Added script takes a key file and a kernel image and inserts its contents to the reserved area. The system_certificate_list_size is also adjusted accordingly. Call the script as: scripts/insert-sys-cert -b <vmlinux> -c <certfile> If vmlinux has no symbol table, supply System.map file with -s flag. Subsequent runs replace the previously inserted key, instead of appending the new one. Signed-off-by: Mehmet Kayaalp <mkayaalp@linux.vnet.ibm.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2015-11-24 16:18:05 -05:00
certs: Add a secondary system keyring that can be added to dynamically Add a secondary system keyring that can be added to by root whilst the system is running - provided the key being added is vouched for by a key built into the kernel or already added to the secondary keyring. Rename .system_keyring to .builtin_trusted_keys to distinguish it more obviously from the new keyring (called .secondary_trusted_keys). The new keyring needs to be enabled with CONFIG_SECONDARY_TRUSTED_KEYRING. If the secondary keyring is enabled, a link is created from that to .builtin_trusted_keys so that the the latter will automatically be searched too if the secondary keyring is searched. Signed-off-by: David Howells <dhowells@redhat.com>
2016-04-06 16:14:27 +01:00
Move certificate handling to its own directory Move certificate handling out of the kernel/ directory and into a certs/ directory to get all the weird stuff in one place and move the generated signing keys into this directory. Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: David Woodhouse <David.Woodhouse@intel.com>
2015-08-14 15:20:41 +01:00