1 # SPDX-License-Identifier: GPL-2.0
2 #
3 # Makefile for the linux kernel signature chec
4 #
5
6 obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system
7 obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blac
8 obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revoca
9
10 $(obj)/blacklist_hashes.o: $(obj)/blacklist_ha
11 CFLAGS_blacklist_hashes.o := -I $(obj)
12
13 quiet_cmd_check_and_copy_blacklist_hash_list =
14 cmd_check_and_copy_blacklist_hash_list =
15 $(if $(CONFIG_SYSTEM_BLACKLIST_HASH_LI
16 $(AWK) -f $(src)/check-blacklist-hashe
17 { cat $(CONFIG_SYSTEM_BLACKLIST_HASH_L
18 echo NULL > $@)
19
20 $(obj)/blacklist_hash_list: $(CONFIG_SYSTEM_BL
21 $(call if_changed,check_and_copy_black
22
23 targets += blacklist_hash_list
24
25 quiet_cmd_extract_certs = CERT $@
26 cmd_extract_certs = $(obj)/extract-cert
27 extract-cert-in = $(filter-out $(obj)/extract-
28
29 $(obj)/system_certificates.o: $(obj)/x509_cert
30
31 $(obj)/x509_certificate_list: $(CONFIG_SYSTEM_
32 $(call if_changed,extract_certs)
33
34 targets += x509_certificate_list
35
36 # If module signing is requested, say by allye
37 # supplied, then one will need to be generated
38 # fail and that the kernel may be used afterwa
39 #
40 # We do it this way rather than having a boole
41 # external private key, because 'make randconf
42 # boolean option and we unfortunately can't ma
43 ifeq ($(CONFIG_MODULE_SIG_KEY),certs/signing_k
44
45 keytype-$(CONFIG_MODULE_SIG_KEY_TYPE_ECDSA) :=
46
47 quiet_cmd_gen_key = GENKEY $@
48 cmd_gen_key = openssl req -new -nodes -u
49 -batch -x509 -config $< \
50 -outform PEM -out $@ -keyout $
51
52 $(obj)/signing_key.pem: $(obj)/x509.genkey FOR
53 $(call if_changed,gen_key)
54
55 targets += signing_key.pem
56
57 quiet_cmd_copy_x509_config = COPY $@
58 cmd_copy_x509_config = cat $(src)/defaul
59
60 # You can provide your own config file. If not
61 $(obj)/x509.genkey:
62 $(call cmd,copy_x509_config)
63
64 endif # CONFIG_MODULE_SIG_KEY
65
66 $(obj)/system_certificates.o: $(obj)/signing_k
67
68 PKCS11_URI := $(filter pkcs11:%, $(CONFIG_MODU
69 ifdef PKCS11_URI
70 $(obj)/signing_key.x509: extract-cert-in := $(
71 endif
72
73 $(obj)/signing_key.x509: $(filter-out $(PKCS11
74 $(call if_changed,extract_certs)
75
76 targets += signing_key.x509
77
78 $(obj)/revocation_certificates.o: $(obj)/x509_
79
80 $(obj)/x509_revocation_list: $(CONFIG_SYSTEM_R
81 $(call if_changed,extract_certs)
82
83 targets += x509_revocation_list
84
85 hostprogs := extract-cert
86
87 HOSTCFLAGS_extract-cert.o = $(shell $(HOSTPKG_
88 HOSTLDLIBS_extract-cert = $(shell $(HOSTPKG_CO
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