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-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o | |
734114f8 DH |
9 | ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),"") |
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 | CONFIG_SYSTEM_TRUSTED_KEYS := $(CONFIG_SYSTEM_TRUSTED_KEYS:"%"=%) |
21 | ||
22 | $(obj)/x509_certificate_list: $(CONFIG_SYSTEM_TRUSTED_KEYS) scripts/extract-cert FORCE | |
23 | $(call if_changed,extract_certs,$(if $(CONFIG_SYSTEM_TRUSTED_KEYS),$<,"")) | |
cfc411e7 | 24 | |
5cca3606 | 25 | targets += x509_certificate_list |
cfc411e7 DH |
26 | |
27 | ifeq ($(CONFIG_MODULE_SIG),y) | |
0165f4ca NJ |
28 | SIGN_KEY = y |
29 | endif | |
30 | ||
31 | ifeq ($(CONFIG_IMA_APPRAISE_MODSIG),y) | |
781a5739 | 32 | ifeq ($(CONFIG_MODULES),y) |
0165f4ca NJ |
33 | SIGN_KEY = y |
34 | endif | |
781a5739 | 35 | endif |
0165f4ca NJ |
36 | |
37 | ifdef SIGN_KEY | |
cfc411e7 DH |
38 | ############################################################################### |
39 | # | |
40 | # If module signing is requested, say by allyesconfig, but a key has not been | |
41 | # supplied, then one will need to be generated to make sure the build does not | |
42 | # fail and that the kernel may be used afterwards. | |
43 | # | |
44 | ############################################################################### | |
cfc411e7 DH |
45 | |
46 | # We do it this way rather than having a boolean option for enabling an | |
47 | # external private key, because 'make randconfig' might enable such a | |
48 | # boolean option and we unfortunately can't make it depend on !RANDCONFIG. | |
49 | ifeq ($(CONFIG_MODULE_SIG_KEY),"certs/signing_key.pem") | |
ea35e0d5 | 50 | |
e06a61a8 | 51 | keytype-$(CONFIG_MODULE_SIG_KEY_TYPE_ECDSA) := -newkey ec -pkeyopt ec_paramgen_curve:secp384r1 |
ea35e0d5 | 52 | |
54c8b517 MY |
53 | quiet_cmd_gen_key = GENKEY $@ |
54 | cmd_gen_key = openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \ | |
c537e4d0 MY |
55 | -batch -x509 -config $< \ |
56 | -outform PEM -out $@ -keyout $@ $(keytype-y) 2>&1 | |
e06a61a8 MY |
57 | |
58 | $(obj)/signing_key.pem: $(obj)/x509.genkey FORCE | |
59 | $(call if_changed,gen_key) | |
54c8b517 | 60 | |
e06a61a8 | 61 | targets += signing_key.pem |
cfc411e7 | 62 | |
f3a2ba44 MY |
63 | quiet_cmd_copy_x509_config = COPY $@ |
64 | cmd_copy_x509_config = cat $(srctree)/$(src)/default_x509.genkey > $@ | |
65 | ||
66 | # You can provide your own config file. If not present, copy the default one. | |
cfc411e7 | 67 | $(obj)/x509.genkey: |
f3a2ba44 MY |
68 | $(call cmd,copy_x509_config) |
69 | ||
5ccbdbf9 | 70 | endif # CONFIG_MODULE_SIG_KEY |
cfc411e7 | 71 | |
b8c96a6b | 72 | CONFIG_MODULE_SIG_KEY := $(CONFIG_MODULE_SIG_KEY:"%"=%) |
cfc411e7 DH |
73 | |
74 | # If CONFIG_MODULE_SIG_KEY isn't a PKCS#11 URI, depend on it | |
b8c96a6b MY |
75 | ifneq ($(filter-out pkcs11:%, %(CONFIG_MODULE_SIG_KEY)),) |
76 | X509_DEP := $(CONFIG_MODULE_SIG_KEY) | |
cfc411e7 DH |
77 | endif |
78 | ||
cfc411e7 DH |
79 | $(obj)/system_certificates.o: $(obj)/signing_key.x509 |
80 | ||
b8c96a6b MY |
81 | $(obj)/signing_key.x509: $(X509_DEP) scripts/extract-cert FORCE |
82 | $(call if_changed,extract_certs,$(if $(X509_DEP),$<,$(CONFIG_MODULE_SIG_KEY))) | |
5ccbdbf9 | 83 | endif # CONFIG_MODULE_SIG |
d1f04410 | 84 | |
5cca3606 MY |
85 | targets += signing_key.x509 |
86 | ||
d1f04410 ES |
87 | $(obj)/revocation_certificates.o: $(obj)/x509_revocation_list |
88 | ||
b8c96a6b MY |
89 | CONFIG_SYSTEM_REVOCATION_KEYS := $(CONFIG_SYSTEM_REVOCATION_KEYS:"%"=%) |
90 | ||
91 | $(obj)/x509_revocation_list: $(CONFIG_SYSTEM_REVOCATION_KEYS) scripts/extract-cert FORCE | |
92 | $(call if_changed,extract_certs,$(if $(CONFIG_SYSTEM_REVOCATION_KEYS),$<,"")) | |
5cca3606 MY |
93 | |
94 | targets += x509_revocation_list |