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# 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_CLIENT=none|local|remote|mixed] [RPC_SERVER=no|yes] [KS=volatile|mmap|flash] [RPC_TRANSPORT=none|loopback|serial|daemon]"
IO_BUS ?= eim
KS ?= mmap
RPC_CLIENT ?= none
RPC_SERVER ?= $(if $(filter local,${RPC_CLIENT}),yes,no)
RPC_TRANSPORT ?= daemon
ifeq (,$(and \
$(filter none eim i2c fmc ,${IO_BUS}),\
$(filter none local remote mixed ,${RPC_CLIENT}),\
$(filter no yes ,${RPC_SERVER}),\
$(filter volatile mmap flash ,${KS}),\
$(filter none loopback serial daemon ,${RPC_TRANSPORT})))
$(error ${USAGE})
endif
ifneq (${RPC_SERVER},$(if $(filter local,${RPC_CLIENT}),yes,no))
$(error RPC_SERVER=yes is probably only useful with RPC_CLIENT=local)
endif
WANT_RTL_CODE := $(if $(filter none local,${RPC_CLIENT}),yes,no)
OBJ = errorstrings.o hash.o asn1.o ecdsa.o rsa.o ${KS_OBJ}
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_CLIENT = none | local | remote | mixed
# none: Build without RPC client
# local: Build for Novena or dev-bridge, access FPGA cores directly.
# remote: Build for other host, communicate with RPC server.
# mixed: Do hashing locally in software, other functions remotely.
#
# RPC_SERVER = no | yes
#
# 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
#
# RPC client locality flags passed here via CFLAGS are tested as
# integers in the C preprocessor, so the symbols we pass must be
# defined as macros in the C code, not enum tokens.
ifneq (${RPC_CLIENT},none)
OBJ += rpc_api.o xdr.o
endif
ifeq (${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_SERVER},yes)
OBJ += ${RPC_SERVER_OBJ}
endif
ifeq (${RPC_CLIENT},none)
OBJ += ${CORE_OBJ}
else ifeq (${RPC_CLIENT},local)
OBJ += ${CORE_OBJ} ${RPC_CLIENT_OBJ} ${RPC_DISPATCH_OBJ}
CFLAGS += -DRPC_CLIENT=RPC_CLIENT_LOCAL
else ifeq (${RPC_CLIENT},remote)
OBJ += ${RPC_CLIENT_OBJ}
CFLAGS += -DRPC_CLIENT=RPC_CLIENT_REMOTE -DHAL_RSA_USE_MODEXP=0
else ifeq (${RPC_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}' $@
local:
${MAKE} RPC_CLIENT=local RPC_TRANSPORT=none
client:
${MAKE} RPC_CLIENT=remote
mixed:
${MAKE} RPC_CLIENT=mixed KS=volatile
server:
${MAKE} RPC_SERVER=yes
loopback:
${MAKE} RPC_CLIENT=remote RPC_SERVER=yes RPC_TRANSPORT=loopback
daemon: cryptech_rpcd
# ${MAKE} RPC_CLIENT=mixed RPC_TRANSPORT=daemon
${MAKE} RPC_CLIENT=remote 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_CLIENT RPC_SERVER
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 $^
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