Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
cfc411e7 DH |
2 | # |
3 | # Makefile for the linux kernel signature checking certificates. | |
4 | # | |
5 | ||
2565ca7f | 6 | obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o common.o |
d1f04410 ES |
7 | obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o common.o |
8 | obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o | |
129ab0d2 | 9 | ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),) |
734114f8 DH |
10 | obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o |
11 | else | |
12 | obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o | |
13 | endif | |
cfc411e7 | 14 | |
1c4bd9f7 MY |
15 | quiet_cmd_extract_certs = CERT $@ |
16 | cmd_extract_certs = scripts/extract-cert $(2) $@ | |
17 | ||
cfc411e7 DH |
18 | $(obj)/system_certificates.o: $(obj)/x509_certificate_list |
19 | ||
b8c96a6b MY |
20 | $(obj)/x509_certificate_list: $(CONFIG_SYSTEM_TRUSTED_KEYS) scripts/extract-cert FORCE |
21 | $(call if_changed,extract_certs,$(if $(CONFIG_SYSTEM_TRUSTED_KEYS),$<,"")) | |
cfc411e7 | 22 | |
5cca3606 | 23 | targets += x509_certificate_list |
cfc411e7 DH |
24 | |
25 | ifeq ($(CONFIG_MODULE_SIG),y) | |
0165f4ca NJ |
26 | SIGN_KEY = y |
27 | endif | |
28 | ||
29 | ifeq ($(CONFIG_IMA_APPRAISE_MODSIG),y) | |
781a5739 | 30 | ifeq ($(CONFIG_MODULES),y) |
0165f4ca NJ |
31 | SIGN_KEY = y |
32 | endif | |
781a5739 | 33 | endif |
0165f4ca NJ |
34 | |
35 | ifdef SIGN_KEY | |
cfc411e7 DH |
36 | ############################################################################### |
37 | # | |
38 | # If module signing is requested, say by allyesconfig, but a key has not been | |
39 | # supplied, then one will need to be generated to make sure the build does not | |
40 | # fail and that the kernel may be used afterwards. | |
41 | # | |
42 | ############################################################################### | |
cfc411e7 DH |
43 | |
44 | # We do it this way rather than having a boolean option for enabling an | |
45 | # external private key, because 'make randconfig' might enable such a | |
46 | # boolean option and we unfortunately can't make it depend on !RANDCONFIG. | |
129ab0d2 | 47 | ifeq ($(CONFIG_MODULE_SIG_KEY),certs/signing_key.pem) |
ea35e0d5 | 48 | |
e06a61a8 | 49 | keytype-$(CONFIG_MODULE_SIG_KEY_TYPE_ECDSA) := -newkey ec -pkeyopt ec_paramgen_curve:secp384r1 |
ea35e0d5 | 50 | |
54c8b517 MY |
51 | quiet_cmd_gen_key = GENKEY $@ |
52 | cmd_gen_key = openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \ | |
c537e4d0 MY |
53 | -batch -x509 -config $< \ |
54 | -outform PEM -out $@ -keyout $@ $(keytype-y) 2>&1 | |
e06a61a8 MY |
55 | |
56 | $(obj)/signing_key.pem: $(obj)/x509.genkey FORCE | |
57 | $(call if_changed,gen_key) | |
54c8b517 | 58 | |
e06a61a8 | 59 | targets += signing_key.pem |
cfc411e7 | 60 | |
f3a2ba44 MY |
61 | quiet_cmd_copy_x509_config = COPY $@ |
62 | cmd_copy_x509_config = cat $(srctree)/$(src)/default_x509.genkey > $@ | |
63 | ||
64 | # You can provide your own config file. If not present, copy the default one. | |
cfc411e7 | 65 | $(obj)/x509.genkey: |
f3a2ba44 MY |
66 | $(call cmd,copy_x509_config) |
67 | ||
5ccbdbf9 | 68 | endif # CONFIG_MODULE_SIG_KEY |
cfc411e7 | 69 | |
cfc411e7 | 70 | # If CONFIG_MODULE_SIG_KEY isn't a PKCS#11 URI, depend on it |
b8c96a6b MY |
71 | ifneq ($(filter-out pkcs11:%, %(CONFIG_MODULE_SIG_KEY)),) |
72 | X509_DEP := $(CONFIG_MODULE_SIG_KEY) | |
cfc411e7 DH |
73 | endif |
74 | ||
cfc411e7 DH |
75 | $(obj)/system_certificates.o: $(obj)/signing_key.x509 |
76 | ||
b8c96a6b MY |
77 | $(obj)/signing_key.x509: $(X509_DEP) scripts/extract-cert FORCE |
78 | $(call if_changed,extract_certs,$(if $(X509_DEP),$<,$(CONFIG_MODULE_SIG_KEY))) | |
5ccbdbf9 | 79 | endif # CONFIG_MODULE_SIG |
d1f04410 | 80 | |
5cca3606 MY |
81 | targets += signing_key.x509 |
82 | ||
d1f04410 ES |
83 | $(obj)/revocation_certificates.o: $(obj)/x509_revocation_list |
84 | ||
b8c96a6b MY |
85 | $(obj)/x509_revocation_list: $(CONFIG_SYSTEM_REVOCATION_KEYS) scripts/extract-cert FORCE |
86 | $(call if_changed,extract_certs,$(if $(CONFIG_SYSTEM_REVOCATION_KEYS),$<,"")) | |
5cca3606 MY |
87 | |
88 | targets += x509_revocation_list |