^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) # Makefile for the linux kernel signature checking certificates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o common.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist.o common.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) obj-$(CONFIG_SYSTEM_REVOCATION_LIST) += revocation_certificates.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) ifneq ($(CONFIG_SYSTEM_BLACKLIST_HASH_LIST),"")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) ifeq ($(CONFIG_SYSTEM_TRUSTED_KEYRING),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) $(eval $(call config_filename,SYSTEM_TRUSTED_KEYS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) # GCC doesn't include .incbin files in -MD generated dependencies (PR#66871)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) $(obj)/system_certificates.o: $(obj)/x509_certificate_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) # Cope with signing_key.x509 existing in $(srctree) not $(objtree)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) AFLAGS_system_certificates.o := -I$(srctree)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) quiet_cmd_extract_certs = EXTRACT_CERTS $(patsubst "%",%,$(2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) cmd_extract_certs = scripts/extract-cert $(2) $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) targets += x509_certificate_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) $(obj)/x509_certificate_list: scripts/extract-cert $(SYSTEM_TRUSTED_KEYS_SRCPREFIX)$(SYSTEM_TRUSTED_KEYS_FILENAME) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) $(call if_changed,extract_certs,$(SYSTEM_TRUSTED_KEYS_SRCPREFIX)$(CONFIG_SYSTEM_TRUSTED_KEYS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) endif # CONFIG_SYSTEM_TRUSTED_KEYRING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) clean-files := x509_certificate_list .x509.list x509_revocation_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) ifeq ($(CONFIG_MODULE_SIG),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) ###############################################################################
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) # If module signing is requested, say by allyesconfig, but a key has not been
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) # supplied, then one will need to be generated to make sure the build does not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) # fail and that the kernel may be used afterwards.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) ###############################################################################
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) ifndef CONFIG_MODULE_SIG_HASH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) $(error Could not determine digest type to use from kernel config)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) redirect_openssl = 2>&1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) quiet_redirect_openssl = 2>&1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) silent_redirect_openssl = 2>/dev/null
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) openssl_available = $(shell openssl help 2>/dev/null && echo yes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) # We do it this way rather than having a boolean option for enabling an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) # external private key, because 'make randconfig' might enable such a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) # boolean option and we unfortunately can't make it depend on !RANDCONFIG.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) ifeq ($(CONFIG_MODULE_SIG_KEY),"certs/signing_key.pem")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) ifeq ($(openssl_available),yes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) X509TEXT=$(shell openssl x509 -in "certs/signing_key.pem" -text 2>/dev/null)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) $(if $(findstring rsaEncryption,$(X509TEXT)),,$(shell rm -f "certs/signing_key.pem"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) $(obj)/signing_key.pem: $(obj)/x509.genkey
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) @$(kecho) "###"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) @$(kecho) "### Now generating an X.509 key pair to be used for signing modules."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) @$(kecho) "###"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) @$(kecho) "### If this takes a long time, you might wish to run rngd in the"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) @$(kecho) "### background to keep the supply of entropy topped up. It"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) @$(kecho) "### needs to be run as root, and uses a hardware random"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) @$(kecho) "### number generator if one is available."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) @$(kecho) "###"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) $(Q)openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) -batch -x509 -config $(obj)/x509.genkey \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) -outform PEM -out $(obj)/signing_key.pem \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) -keyout $(obj)/signing_key.pem \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) $($(quiet)redirect_openssl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) @$(kecho) "###"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) @$(kecho) "### Key pair generated."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) @$(kecho) "###"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) $(obj)/x509.genkey:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) @$(kecho) Generating X.509 key generation config
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) @echo >$@ "[ req ]"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) @echo >>$@ "default_bits = 4096"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) @echo >>$@ "distinguished_name = req_distinguished_name"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) @echo >>$@ "prompt = no"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) @echo >>$@ "string_mask = utf8only"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) @echo >>$@ "x509_extensions = myexts"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) @echo >>$@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) @echo >>$@ "[ req_distinguished_name ]"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) @echo >>$@ "#O = Unspecified company"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) @echo >>$@ "CN = Build time autogenerated kernel key"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) @echo >>$@ "#emailAddress = unspecified.user@unspecified.company"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) @echo >>$@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) @echo >>$@ "[ myexts ]"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) @echo >>$@ "basicConstraints=critical,CA:FALSE"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) @echo >>$@ "keyUsage=digitalSignature"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) @echo >>$@ "subjectKeyIdentifier=hash"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) @echo >>$@ "authorityKeyIdentifier=keyid"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) endif # CONFIG_MODULE_SIG_KEY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) $(eval $(call config_filename,MODULE_SIG_KEY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) # If CONFIG_MODULE_SIG_KEY isn't a PKCS#11 URI, depend on it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) ifeq ($(patsubst pkcs11:%,%,$(firstword $(MODULE_SIG_KEY_FILENAME))),$(firstword $(MODULE_SIG_KEY_FILENAME)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) X509_DEP := $(MODULE_SIG_KEY_SRCPREFIX)$(MODULE_SIG_KEY_FILENAME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) # GCC PR#66871 again.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) $(obj)/system_certificates.o: $(obj)/signing_key.x509
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) targets += signing_key.x509
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) $(obj)/signing_key.x509: scripts/extract-cert $(X509_DEP) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) $(call if_changed,extract_certs,$(MODULE_SIG_KEY_SRCPREFIX)$(CONFIG_MODULE_SIG_KEY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) endif # CONFIG_MODULE_SIG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) ifeq ($(CONFIG_SYSTEM_REVOCATION_LIST),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) $(eval $(call config_filename,SYSTEM_REVOCATION_KEYS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) $(obj)/revocation_certificates.o: $(obj)/x509_revocation_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) quiet_cmd_extract_certs = EXTRACT_CERTS $(patsubst "%",%,$(2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) cmd_extract_certs = scripts/extract-cert $(2) $@
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) targets += x509_revocation_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) $(obj)/x509_revocation_list: scripts/extract-cert $(SYSTEM_REVOCATION_KEYS_SRCPREFIX)$(SYSTEM_REVOCATION_KEYS_FILENAME) FORCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) $(call if_changed,extract_certs,$(SYSTEM_REVOCATION_KEYS_SRCPREFIX)$(CONFIG_SYSTEM_REVOCATION_KEYS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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