# Copyright (c) 2015-2016, NORDUnet A/S
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# - Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# - Neither the name of the NORDUnet nor the names of its contributors may
# be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Number of static hash and HMAC state blocks to allocate.
# Numbers pulled out of a hat, just testing.
STATIC_HASH_STATE_BLOCKS = 10
STATIC_HMAC_STATE_BLOCKS = 4
STATIC_PKEY_STATE_BLOCKS = 6
INC = hal.h hal_internal.h
LIB = libhal.a
# Error checking on known control options, some of which allow the user entirely too much rope.
USAGE := "usage: ${MAKE} [IO_BUS=eim|i2c|fmc] [RPC_MODE=none|server|client-simple|client-mixed] [KS=volatile|mmap|flash] [RPC_TRANSPORT=none|loopback|serial|daemon] [MODEXP_CORE=no|yes]"
IO_BUS ?= eim
KS ?= volatile
RPC_MODE ?= none
RPC_TRANSPORT ?= daemon
MODEXP_CORE ?= no
ifeq (,$(and \
$(filter none eim i2c fmc ,${IO_BUS}),\
$(filter none server client-simple client-mixed ,${RPC_MODE}),\
$(filter volatile mmap flash ,${KS}),\
$(filter none loopback serial daemon ,${RPC_TRANSPORT}),\
$(filter no yes ,${MODEXP_CORE})))
$(error ${USAGE})
endif
$(info Building libhal with configuration IO_BUS=${IO_BUS} RPC_MODE=${RPC_MODE} KS=${KS} RPC_TRANSPORT=${RPC_TRANSPORT} MODEXP_CORE=${MODEXP_CORE})
# Whether the RSA code should use the ModExp | ModExpS6 | ModExpA7 core.
ifeq "${MODEXP_CORE}" "yes"
RSA_USE_MODEXP_CORE := 1
else
RSA_USE_MODEXP_CORE := 0
endif
# Object files to build, initialized with ones we always want.
# There's a balance here between skipping files we don't strictly
# need and reducing the number of unnecessary conditionals in this
# makefile, so the working definition of "always want" is sometimes
# just "building this is harmless even if we don't use it."
OBJ = errorstrings.o hash.o asn1.o ecdsa.o rsa.o ${KS_OBJ}
# Object files to build when we're on a platform with direct access
# to our hardware (Verilog) cores.
CORE_OBJ = core.o csprng.o pbkdf2.o aes_keywrap.o modexp.o mkmif.o ${IO_OBJ}
# I/O bus to the FPGA
#
# IO_BUS = none | eim | i2c | fmc
# none: No FPGA I/O bus
# eim: EIM bus from Novena
# i2c: Older I2C bus from Novena
# fmc: FMC bus from dev-bridge and alpha boards
ifeq "${IO_BUS}" "eim"
IO_OBJ = hal_io_eim.o novena-eim.o
else ifeq "${IO_BUS}" "i2c"
IO_OBJ = hal_io_i2c.o
else ifeq "${IO_BUS}" "fmc"
IO_OBJ = hal_io_fmc.o
endif
# If we're building for STM32, position-independent code leads to some
# hard-to-debug function pointer errors. OTOH, if we're building for Linux
# (even on the Novena), we want to make it possible to build a shared library.
ifneq "${IO_BUS}" "fmc"
CFLAGS += -fPIC
endif
# The mmap and flash keystore implementations are both server code.
#
# The volatile keystore (conventional memory) is client code, to
# support using the same API for things like PKCS #11 "session" objects.
#
# Default at the moment is mmap, since that should work on the Novena
# and we haven't yet written the flash code for the bridge board.
KS_OBJ = ks.o
ifeq "${KS}" "mmap"
KS_OBJ += ks_mmap.o
else ifeq "${KS}" "volatile"
KS_OBJ += ks_volatile.o
else ifeq "${KS}" "flash"
KS_OBJ += ks_flash.o
endif
# RPC_MODE = none | server | client-simple | client-mixed
# none: Build without RPC client, use cores directly.
# server: Build for server side of RPC (HSM), use cores directly.
# client-simple: Build for other host, communicate with cores via RPC server.
# client-mixed: Like client-simple but do hashing locally in software and
# support a local keystore (for PKCS #11 public keys, etc)
#
# RPC_TRANSPORT = loopback | serial | daemon
# loopback: Communicate over loopback socket on Novena
# serial: Communicate over USB in serial pass-through mode
# daemon: Communicate over USB via a daemon, to arbitrate multiple clients
#
# Note that RPC_MODE setting also controls the RPC_CLIENT setting passed to the C
# preprocessor via CFLAGS. Whatever we pass here must evaluate to an integer in
# the C preprocessor: we can use symbolic names so long as they're defined as macros
# in the C code, but we can't use things like C enum symbols.
ifneq "${RPC_MODE}" "none"
OBJ += rpc_api.o xdr.o
endif
ifeq "${RPC_TRANSPORT}" "serial"
OBJ += slip.o
endif
RPC_CLIENT_OBJ = rpc_client.o
ifeq "${RPC_TRANSPORT}" "loopback"
RPC_CLIENT_OBJ += rpc_client_loopback.o
else ifeq "${RPC_TRANSPORT}" "serial"
RPC_CLIENT_OBJ += rpc_client_serial.o
else ifeq "${RPC_TRANSPORT}" "daemon"
RPC_CLIENT_OBJ += rpc_client_daemon.o
endif
RPC_DISPATCH_OBJ = rpc_hash.o rpc_misc.o rpc_pkey.o
RPC_SERVER_OBJ = rpc_server.o
ifeq "${RPC_TRANSPORT}" "loopback"
RPC_SERVER_OBJ += rpc_server_loopback.o
else ifeq "${RPC_TRANSPORT}" "serial"
RPC_SERVER_OBJ += rpc_server_serial.o
endif
ifeq "${RPC_MODE}" "none"
OBJ += ${CORE_OBJ}
CFLAGS += -DHAL_RSA_USE_MODEXP=${RSA_USE_MODEXP_CORE}
else ifeq "${RPC_MODE}" "server"
OBJ += ${CORE_OBJ} ${RPC_SERVER_OBJ} ${RPC_DISPATCH_OBJ}
CFLAGS += -DRPC_CLIENT=RPC_CLIENT_LOCAL -DHAL_RSA_USE_MODEXP=${RSA_USE_MODEXP_CORE}
else ifeq "${RPC_MODE}" "client-simple"
OBJ += ${RPC_CLIENT_OBJ}
CFLAGS += -DRPC_CLIENT=RPC_CLIENT_REMOTE -DHAL_RSA_USE_MODEXP=0
else ifeq "${RPC_MODE}" "client-mixed"
OBJ += ${RPC_CLIENT_OBJ} ${RPC_DISPATCH_OBJ}
CFLAGS += -DRPC_CLIENT=RPC_CLIENT_MIXED -DHAL_RSA_USE_MODEXP=0
KS = volatile
endif
TFMDIR := $(abspath ../thirdparty/libtfm)
CFLAGS += -g3 -Wall -std=c99 -Wno-strict-aliasing -I${TFMDIR}
LDFLAGS := -g3 -L${TFMDIR} -ltfm
CFLAGS += -DHAL_STATIC_HASH_STATE_BLOCKS=${STATIC_HASH_STATE_BLOCKS}
CFLAGS += -DHAL_STATIC_HMAC_STATE_BLOCKS=${STATIC_HMAC_STATE_BLOCKS}
CFLAGS += -DHAL_STATIC_PKEY_STATE_BLOCKS=${STATIC_PKEY_STATE_BLOCKS}
all: ${LIB}
cd tests; ${MAKE} CFLAGS='${CFLAGS} -I..' LDFLAGS='${LDFLAGS}' $@
cd utils; ${MAKE} CFLAGS='${CFLAGS} -I..' LDFLAGS='${LDFLAGS}' $@
client:
${MAKE} RPC_MODE=client-simple
mixed:
${MAKE} RPC_MODE=client-mixed
server:
${MAKE} RPC_MODE=server
daemon: cryptech_rpcd
${MAKE} RPC_MODE=client-mixed RPC_TRANSPORT=daemon
cryptech_rpcd: daemon.o slip.o rpc_serial.o xdr.o
${CC} ${CFLAGS} -o $@ $^ ${LDFLAGS}
${OBJ}: ${INC}
${LIB}: ${OBJ}
${AR} rcs $@ $^
asn1.o rsa.o ecdsa.o: asn1_internal.h
ecdsa.o: ecdsa_curves.h
novena-eim.o hal_io_eim.o: novena-eim.h
slip.o rpc_client_serial.o rpc_server_serial.o: slip_internal.h
ks.o: last_gasp_pin_internal.h
last_gasp_pin_internal.h:
./utils/last_gasp_default_pin >$@
test: all
export RPC_MODE
cd tests; ${MAKE} -k $@
clean:
rm -f *.o ${LIB}
cd tests; ${MAKE} $@
cd utils; ${MAKE} $@
distclean: clean
rm -f TAGS
tags: TAGS
TAGS: *.[ch] tests/*.[ch] utils/*.[ch]
etags $^
help usage:
@echo ${USAGE}
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