feat: p-256

.editorconfig

@@ -16,6 +16,10 @@ charset = utf-8
 indent_style = tab
 indent_size = 8
 
+[lib/p256-m/*.[ch]]
+indent_style = space
+indent_size = 4
+
 [Makefile]
 indent_style = tab
 

Makefile

@@ -8,7 +8,7 @@ pwd := $(shell pwd)
 PREFIX ?= /usr/local
 # VERSION is set in src/Makefile
 # Targets to be build in this order
-BUILDS := apply-patches milagro lua54 embed-lua quantum-proof ed25519-donna mimalloc
+BUILDS := apply-patches milagro lua54 embed-lua quantum-proof ed25519-donna mimalloc p256-m
 
 # DESTDIR is supported by install target
 
@@ -103,6 +103,16 @@ cortex-lua54:
 	LDFLAGS="${ldflags}" AR="${ar}" RANLIB=${ranlib} \
 	$(MAKE) -C ${pwd}/lib/lua54/src ${platform}
 
+p256-m-debug: p256-m
+p256-m:
+	@echo "-- Building p256-m (${system})"
+	CC="${gcc}" \
+	LD=${ld} \
+	AR=${ar} \
+	CFLAGS="${cflags}" \
+	LDFLAGS="${ldflags}" \
+	${MAKE} -C ${pwd}/lib/p256-m p256-native.o
+
 milagro-debug: milagro
 milagro:
 	@echo "-- Building milagro (${system})"
@@ -190,6 +200,7 @@ clean:
 	$(MAKE) clean -C ${pwd}/lib/pqclean
 	rm -rf ${pwd}/lib/milagro-crypto-c/build
 	rm -rf ${pwd}/lib/mimalloc/build
+	rm -f ${pwd}/lib/p256-m/p256-native.o
 	$(MAKE) clean -C ${pwd}/src
 	if [ -d "bindings" ]; then $(MAKE) clean -C ${pwd}/bindings; fi
 	rm -f ${extras}/index.*

build/config.mk

@@ -21,6 +21,7 @@ ldadd += ${milib}/libamcl_core.a
 ldadd += ${pwd}/lib/pqclean/libqpz.a
 ldadd += ${pwd}/lib/ed25519-donna/libed25519.a
 ldadd += ${pwd}/lib/mimalloc/build/libmimalloc-static.a
+ldadd += ${pwd}/lib/p256-m/p256-native.o
 
 # ----------------
 # zenroom defaults

lib/p256-m/.gitignore

@@ -0,0 +1,10 @@
+benchmark
+test-openbox
+test-closedbox
+test-data.h
+*.o
+*.s
+*.dump
+*.sizes
+*.su
+*.dfinish

lib/p256-m/LICENSE

@@ -0,0 +1,2 @@
+Unless specifically indicated otherwise in a file, files are licensed
+under the Apache 2.0 license, as can be found in apache-2.0.txt.

lib/p256-m/Makefile

@@ -0,0 +1,47 @@
+# Usage:
+# - 'make' runs the test suites on the host
+# - 'make all' also prints code size on stack usage (main development target)
+#   it leaves a variety of dumps around for inspection if desired
+# - 'make clean' removes files generated by 'make all' and coverage.sh.
+
+TESTOPEN=test-openbox
+TESTCLOSED=test-closedbox
+TESTDATA=test-data.h
+TESTLIB=p256-native.o
+SRC=p256-m.c
+HDR=p256-m.h
+
+CC=gcc
+CFLAGS=-Werror --std=c99 -Os
+CFLAGS_SAN=
+# CC=clang
+# CFLAGS=-Werror -Weverything --std=c99 -Os
+# CFLAGS_SAN=-fsanitize=address -fsanitize=undefined
+
+runtest: $(TESTCLOSED) $(TESTOPEN)
+	./$(TESTCLOSED)
+	./$(TESTOPEN)
+
+$(TESTLIB): $(SRC) $(HDR)
+	$(CC) $(CFLAGS) $(CFLAGS_SAN) $< -c -o $@
+
+$(TESTCLOSED): test-closedbox.c $(TESTLIB) $(TESTDATA) $(HDR)
+	$(CC) $(CFLAGS) $(CFLAGS_SAN) $< $(TESTLIB) -o $@
+
+$(TESTOPEN): test-openbox.c $(TESTDATA) $(SRC)
+	$(CC) $(CFLAGS) $(CFLAGS_SAN) $< -o $@
+
+$(TESTDATA): gen-test-data.py p256.py
+	python3 $< > $@
+
+all: runtest
+	./sizes.sh
+	./stack.sh
+
+clean:
+	rm -f $(TESTCLOSED) $(TESTOPEN) $(TESTDATA)
+	rm -f *.s *.o *.dump *.sizes *.su *.dfinish
+	rm -f *.gcda *.gcno *.info *.html
+	rm -rf cov-closed cov-open
+
+.PHONY: runtest clean all