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 ($(CFG_CRYPTO_SHA256),y) 43ifneq ($(CFG_CRYPTO_SHA256_ARM32_CE),y) 44$(warning Warning: Enabling CFG_CRYPTO_SHA256 [required by CFG_WITH_PAGER]) 45CFG_CRYPTO_SHA256:=y 46endif 47endif 48endif 49 50cryp-enable-all-depends = $(call cfg-enable-all-depends,$(strip $(1)),$(foreach v,$(2),CFG_CRYPTO_$(v))) 51$(eval $(call cryp-enable-all-depends,CFG_ENC_FS, AES ECB CTR HMAC SHA256 GCM)) 52 53# Dependency checks: warn and disable some features if dependencies are not met 54 55cryp-dep-one = $(call cfg-depends-one,CFG_CRYPTO_$(strip $(1)),$(patsubst %, CFG_CRYPTO_%,$(strip $(2)))) 56cryp-dep-all = $(call cfg-depends-all,CFG_CRYPTO_$(strip $(1)),$(patsubst %, CFG_CRYPTO_%,$(strip $(2)))) 57 58$(eval $(call cryp-dep-one, ECB, AES DES)) 59$(eval $(call cryp-dep-one, CBC, AES DES)) 60$(eval $(call cryp-dep-one, CTR, AES)) 61# CTS is implemented with ECB and CBC 62$(eval $(call cryp-dep-all, CTS, AES ECB CBC)) 63$(eval $(call cryp-dep-one, XTS, AES)) 64$(eval $(call cryp-dep-one, HMAC, AES DES)) 65$(eval $(call cryp-dep-one, HMAC, MD5 SHA1 SHA224 SHA256 SHA384 SHA512)) 66$(eval $(call cryp-dep-one, CMAC, AES)) 67$(eval $(call cryp-dep-one, CBC_MAC, AES DES)) 68$(eval $(call cryp-dep-one, CCM, AES)) 69$(eval $(call cryp-dep-one, GCM, AES)) 70# If no AES cipher mode is left, disable AES 71$(eval $(call cryp-dep-one, AES, ECB CBC CTR CTS XTS)) 72# If no DES cipher mode is left, disable DES 73$(eval $(call cryp-dep-one, DES, ECB CBC)) 74 75cryp-one-enabled = $(call cfg-one-enabled,$(foreach v,$(1),CFG_CRYPTO_$(v))) 76cryp-all-enabled = $(call cfg-all-enabled,$(foreach v,$(1),CFG_CRYPTO_$(v))) 77 78_CFG_CRYPTO_WITH_ACIPHER := $(call cryp-one-enabled, RSA DSA DH ECC) 79_CFG_CRYPTO_WITH_AUTHENC := $(and $(filter y,$(CFG_CRYPTO_AES)), $(call cryp-one-enabled, CCM GCM)) 80_CFG_CRYPTO_WITH_CIPHER := $(call cryp-one-enabled, AES DES) 81_CFG_CRYPTO_WITH_HASH := $(call cryp-one-enabled, MD5 SHA1 SHA224 SHA256 SHA384 SHA512) 82_CFG_CRYPTO_WITH_MAC := $(call cryp-one-enabled, HMAC CMAC CBC_MAC) 83_CFG_CRYPTO_WITH_CBC := $(call cryp-one-enabled, CBC CBC_MAC) 84_CFG_CRYPTO_WITH_ASN1 := $(call cryp-one-enabled, RSA DSA) 85_CFG_CRYPTO_WITH_FORTUNA_PRNG := $(call cryp-all-enabled, AES SHA256) 86 87cppflags-lib-$(libtomcrypt_with_optimize_size) += -DLTC_SMALL_CODE -DLTC_NO_FAST 88 89global-incdirs-y += include 90 91subdirs-y += src 92