1CFG_CRYPTO ?= y 2 3ifeq (y,$(CFG_CRYPTO)) 4 5# Ciphers 6CFG_CRYPTO_AES ?= y 7CFG_CRYPTO_DES ?= y 8 9# Cipher block modes 10CFG_CRYPTO_ECB ?= y 11CFG_CRYPTO_CBC ?= y 12CFG_CRYPTO_CTR ?= y 13CFG_CRYPTO_CTS ?= y 14CFG_CRYPTO_XTS ?= y 15 16# Message authentication codes 17CFG_CRYPTO_HMAC ?= y 18CFG_CRYPTO_CMAC ?= y 19CFG_CRYPTO_CBC_MAC ?= y 20 21# Hashes 22CFG_CRYPTO_MD5 ?= y 23CFG_CRYPTO_SHA1 ?= y 24CFG_CRYPTO_SHA224 ?= y 25CFG_CRYPTO_SHA256 ?= y 26CFG_CRYPTO_SHA384 ?= y 27CFG_CRYPTO_SHA512 ?= y 28 29# Asymmetric ciphers 30CFG_CRYPTO_DSA ?= y 31CFG_CRYPTO_RSA ?= y 32CFG_CRYPTO_DH ?= y 33CFG_CRYPTO_ECC ?= y 34 35# Authenticated encryption 36CFG_CRYPTO_CCM ?= y 37CFG_CRYPTO_GCM ?= y 38 39endif 40 41ifeq ($(CFG_WITH_PAGER),y) 42ifneq ($(CFG_CRYPTO_SHA256),y) 43$(warning Warning: Enabling CFG_CRYPTO_SHA256 [required by CFG_WITH_PAGER]) 44CFG_CRYPTO_SHA256:=y 45endif 46endif 47 48ifeq ($(CFG_CRYPTO_WITH_CE),y) 49ifeq ($(CFG_ARM32_core),y) 50CFG_CRYPTO_SHA1_ARM32_CE ?= $(CFG_CRYPTO_SHA1) 51CFG_CRYPTO_SHA256_ARM32_CE ?= $(CFG_CRYPTO_SHA256) 52endif 53ifeq ($(CFG_ARM64_core),y) 54CFG_CRYPTO_AES_ARM64_CE ?= $(CFG_CRYPTO_AES) 55CFG_CRYPTO_SHA1_ARM64_CE ?= $(CFG_CRYPTO_SHA1) 56CFG_CRYPTO_SHA256_ARM64_CE ?= $(CFG_CRYPTO_SHA256) 57endif 58endif 59 60# Cryptographic extensions can only be used safely when OP-TEE knows how to 61# preserve the VFP context 62ifeq ($(CFG_CRYPTO_SHA256_ARM32_CE),y) 63$(call force,CFG_WITH_VFP,y,required by CFG_CRYPTO_SHA256_ARM32_CE) 64endif 65ifeq ($(CFG_CRYPTO_SHA256_ARM64_CE),y) 66$(call force,CFG_WITH_VFP,y,required by CFG_CRYPTO_SHA256_ARM64_CE) 67endif 68ifeq ($(CFG_CRYPTO_SHA1_ARM32_CE),y) 69$(call force,CFG_WITH_VFP,y,required by CFG_CRYPTO_SHA1_ARM32_CE) 70endif 71ifeq ($(CFG_CRYPTO_SHA1_ARM64_CE),y) 72$(call force,CFG_WITH_VFP,y,required by CFG_CRYPTO_SHA1_ARM64_CE) 73endif 74ifeq ($(CFG_CRYPTO_AES_ARM64_CE),y) 75$(call force,CFG_WITH_VFP,y,required by CFG_CRYPTO_AES_ARM64_CE) 76endif 77 78cryp-enable-all-depends = $(call cfg-enable-all-depends,$(strip $(1)),$(foreach v,$(2),CFG_CRYPTO_$(v))) 79$(eval $(call cryp-enable-all-depends,CFG_ENC_FS, AES ECB CTR HMAC SHA256 GCM)) 80 81# Dependency checks: warn and disable some features if dependencies are not met 82 83cryp-dep-one = $(call cfg-depends-one,CFG_CRYPTO_$(strip $(1)),$(patsubst %, CFG_CRYPTO_%,$(strip $(2)))) 84cryp-dep-all = $(call cfg-depends-all,CFG_CRYPTO_$(strip $(1)),$(patsubst %, CFG_CRYPTO_%,$(strip $(2)))) 85 86$(eval $(call cryp-dep-one, ECB, AES DES)) 87$(eval $(call cryp-dep-one, CBC, AES DES)) 88$(eval $(call cryp-dep-one, CTR, AES)) 89# CTS is implemented with ECB and CBC 90$(eval $(call cryp-dep-all, CTS, AES ECB CBC)) 91$(eval $(call cryp-dep-one, XTS, AES)) 92$(eval $(call cryp-dep-one, HMAC, AES DES)) 93$(eval $(call cryp-dep-one, HMAC, MD5 SHA1 SHA224 SHA256 SHA384 SHA512)) 94$(eval $(call cryp-dep-one, CMAC, AES)) 95$(eval $(call cryp-dep-one, CBC_MAC, AES DES)) 96$(eval $(call cryp-dep-one, CCM, AES)) 97$(eval $(call cryp-dep-one, GCM, AES)) 98# If no AES cipher mode is left, disable AES 99$(eval $(call cryp-dep-one, AES, ECB CBC CTR CTS XTS)) 100# If no DES cipher mode is left, disable DES 101$(eval $(call cryp-dep-one, DES, ECB CBC)) 102 103cryp-one-enabled = $(call cfg-one-enabled,$(foreach v,$(1),CFG_CRYPTO_$(v))) 104cryp-all-enabled = $(call cfg-all-enabled,$(foreach v,$(1),CFG_CRYPTO_$(v))) 105 106_CFG_CRYPTO_WITH_ACIPHER := $(call cryp-one-enabled, RSA DSA DH ECC) 107_CFG_CRYPTO_WITH_AUTHENC := $(and $(filter y,$(CFG_CRYPTO_AES)), $(call cryp-one-enabled, CCM GCM)) 108_CFG_CRYPTO_WITH_CIPHER := $(call cryp-one-enabled, AES DES) 109_CFG_CRYPTO_WITH_HASH := $(call cryp-one-enabled, MD5 SHA1 SHA224 SHA256 SHA384 SHA512) 110_CFG_CRYPTO_WITH_MAC := $(call cryp-one-enabled, HMAC CMAC CBC_MAC) 111_CFG_CRYPTO_WITH_CBC := $(call cryp-one-enabled, CBC CBC_MAC) 112_CFG_CRYPTO_WITH_ASN1 := $(call cryp-one-enabled, RSA DSA ECC) 113_CFG_CRYPTO_WITH_FORTUNA_PRNG := $(call cryp-all-enabled, AES SHA256) 114 115cppflags-lib-$(CFG_CRYPTO_SIZE_OPTIMIZATION) += -DLTC_SMALL_CODE -DLTC_NO_FAST 116 117global-incdirs-y += include 118 119subdirs-y += src 120