84867cffdd
In the generic message digest abstraction, instead of storing method pointers in the per-algorithm data structure and using wrapper functions as those methods, call the per-algorithm function directly. This saves some code size (2336B -> 2043B for md with all algorithms enabled on M0+ with gcc -Os). This should also make it easier to optimize the case when a single algorithm is supported. In addition, this is a very slight security improvement since it removes one opportunity for a buffer overflow to directly turn into letting the attacker overwrite a pointer to a function pointer. This commit does not modify the documented API. However, it removes the possibility for users to define their own hash implementations and use them by building their own md_info. Changing mbedtls_md_context to contain a md type identifier rather than a pointer to an info structure would save a few more bytes and a few more runtime memory accesses, but would be a major API break since a lot of code uses `const mbedtls_md_info *` to keep track of which hash is in use.
156 lines
3.6 KiB
Makefile
156 lines
3.6 KiB
Makefile
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# Also see "include/mbedtls/config.h"
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CFLAGS ?= -O2
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WARNING_CFLAGS ?= -Wall -W -Wdeclaration-after-statement
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LDFLAGS ?=
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CRYPTO_INCLUDES ?= -I../include
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LOCAL_CFLAGS = $(WARNING_CFLAGS) $(CRYPTO_INCLUDES) -D_FILE_OFFSET_BITS=64
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LOCAL_LDFLAGS =
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ifdef DEBUG
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LOCAL_CFLAGS += -g3
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endif
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# MicroBlaze specific options:
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# CFLAGS += -mno-xl-soft-mul -mxl-barrel-shift
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# To compile on Plan9:
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# CFLAGS += -D_BSD_EXTENSION
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# if were running on Windows build for Windows
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ifdef WINDOWS
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WINDOWS_BUILD=1
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else ifeq ($(shell uname -s),Darwin)
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ifeq ($(AR),ar)
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APPLE_BUILD ?= 1
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endif
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endif
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# To compile as a shared library:
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ifdef SHARED
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# all code is position-indep with mingw, avoid warning about useless flag
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ifndef WINDOWS_BUILD
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LOCAL_CFLAGS += -fPIC -fpic
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endif
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endif
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SOEXT_CRYPTO=so.3
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# Set AR_DASH= (empty string) to use an ar implementation that does not accept
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# the - prefix for command line options (e.g. llvm-ar)
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AR_DASH ?= -
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ARFLAGS = $(AR_DASH)src
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ifdef APPLE_BUILD
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ifneq ($(APPLE_BUILD),0)
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ARFLAGS = $(AR_DASH)Src
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RLFLAGS = -no_warning_for_no_symbols -c
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RL ?= ranlib
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endif
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endif
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DLEXT ?= so
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ifdef WINDOWS_BUILD
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# Windows shared library extension:
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DLEXT = dll
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else ifdef APPLE_BUILD
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ifneq ($(APPLE_BUILD),0)
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# Mac OS X shared library extension:
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DLEXT = dylib
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endif
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endif
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OBJS_CRYPTO= aes.o aesni.o arc4.o \
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aria.o asn1parse.o asn1write.o \
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base64.o bignum.o blowfish.o \
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camellia.o ccm.o chacha20.o \
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chachapoly.o cipher.o cipher_wrap.o \
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cmac.o ctr_drbg.o des.o \
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dhm.o ecdh.o ecdsa.o \
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ecjpake.o ecp.o \
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ecp_curves.o entropy.o entropy_poll.o \
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gcm.o havege.o \
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hkdf.o \
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hmac_drbg.o md.o md2.o \
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md4.o md5.o \
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memory_buffer_alloc.o nist_kw.o \
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oid.o padlock.o pem.o \
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pk.o pk_wrap.o pkcs12.o \
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pkcs5.o pkparse.o pkwrite.o \
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platform.o platform_util.o poly1305.o \
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psa_crypto.o \
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psa_crypto_slot_management.o \
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psa_crypto_storage.o \
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psa_its_file.o \
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ripemd160.o rsa_internal.o rsa.o \
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sha1.o sha256.o sha512.o \
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threading.o timing.o \
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xtea.o
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# For files generated by the parent project (Mbed TLS) when building Mbed
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# Crypto as a submodule, ensure that the parent project instance is used.
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ifeq ($(USE_CRYPTO_SUBMODULE), 1)
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OBJS_CRYPTO += $(patsubst %.c,%.o, $(realpath ../../library/error.c))
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OBJS_CRYPTO += $(patsubst %.c,%.o, $(realpath ../../library/version.c))
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OBJS_CRYPTO += $(patsubst %.c,%.o, $(realpath ../../library/version_features.c))
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else
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OBJS_CRYPTO += error.o
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OBJS_CRYPTO += version.o
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OBJS_CRYPTO += version_features.o
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endif
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.SILENT:
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.PHONY: all static shared clean
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ifndef SHARED
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all: static
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else
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all: shared static
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endif
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static: libmbedcrypto.a
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shared: libmbedcrypto.$(DLEXT)
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# crypto
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libmbedcrypto.a: $(OBJS_CRYPTO)
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echo " AR $@"
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$(AR) $(ARFLAGS) $@ $(OBJS_CRYPTO)
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ifdef APPLE_BUILD
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ifneq ($(APPLE_BUILD),0)
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echo " RL $@"
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$(RL) $(RLFLAGS) $@
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endif
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endif
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libmbedcrypto.$(SOEXT_CRYPTO): $(OBJS_CRYPTO)
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echo " LD $@"
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$(CC) -shared -Wl,-soname,$@ $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@ $(OBJS_CRYPTO)
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libmbedcrypto.so: libmbedcrypto.$(SOEXT_CRYPTO)
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echo " LN $@ -> $<"
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ln -sf $< $@
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libmbedcrypto.dylib: $(OBJS_CRYPTO)
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echo " LD $@"
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$(CC) -dynamiclib $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@ $(OBJS_CRYPTO)
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libmbedcrypto.dll: $(OBJS_CRYPTO)
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echo " LD $@"
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$(CC) -shared -Wl,-soname,$@ -Wl,--out-implib,$@.a -o $@ $(OBJS_CRYPTO) -lws2_32 -lwinmm -lgdi32 -static-libgcc $(LOCAL_LDFLAGS) $(LDFLAGS)
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.c.o:
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echo " CC $<"
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$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -c $< -o $@
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clean:
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ifndef WINDOWS
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rm -f *.o libmbed*
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else
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if exist *.o del /Q /F *.o
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if exist libmbed* del /Q /F libmbed*
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endif
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