dffb8a67e3
Entropy pool gathers environmental noise from device drivers, user-space, etc., and returns good random numbers, suitable for cryptographic use. Based on entropy pool design from *BSDs and uses BLAKE2Xs algorithm for CSPRNG output. Patch also adds /dev/urandom support for using entropy pool RNG and new 'getrandom' system call for getting randomness without file-descriptor usage (thus avoiding file-descriptor exhaustion attacks). The 'getrandom' interface is similar as 'getentropy' and 'getrandom' available on OpenBSD and Linux respectively.
113 lines
2.9 KiB
Makefile
113 lines
2.9 KiB
Makefile
############################################################################
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# crypto/Makefile
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#
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# Copyright (C) 2007, 2008, 2011-2014, 2016 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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-include $(TOPDIR)/Make.defs
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CRYPTO_ASRCS =
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CRYPTO_CSRCS =
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ifeq ($(CONFIG_CRYPTO),y)
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# Basic
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CRYPTO_CSRCS += crypto.c testmngr.c
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# cryptodev support
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ifeq ($(CONFIG_CRYPTO_CRYPTODEV),y)
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CRYPTO_CSRCS += cryptodev.c
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endif
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# Sofware AES library
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ifeq ($(CONFIG_CRYPTO_SW_AES),y)
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CRYPTO_CSRCS += aes.c
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endif
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# BLAKE2s hash algorithm
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ifeq ($(CONFIG_CRYPTO_BLAKE2S),y)
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CRYPTO_CSRCS += blake2s.c
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endif
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# Entropy pool random number generator
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ifeq ($(CONFIG_CRYPTO_RANDOM_POOL),y)
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CRYPTO_CSRCS += random_pool.c
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endif
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endif # CONFIG_CRYPTO
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ASRCS = $(CRYPTO_ASRCS)
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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CSRCS = $(CRYPTO_CSRCS)
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COBJS = $(CSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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BIN = libcrypto$(LIBEXT)
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all: $(BIN)
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.PHONY: depend clean distclean
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$(AOBJS): %$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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$(COBJS): %$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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$(BIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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.depend: Makefile $(SRCS)
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ifeq ($(CONFIG_CRYPTO),y)
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$(Q) $(MKDEP) --dep-path . "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep
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endif
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$(Q) touch $@
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depend: .depend
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clean:
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$(call DELFILE, $(BIN))
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$(call CLEAN)
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distclean: clean
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$(call DELFILE, Make.dep)
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$(call DELFILE, .depend)
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-include Make.dep
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