Conform to Ascon Draft Standard

.clang-format

@@ -77,7 +77,7 @@ BreakConstructorInitializersBeforeComma: false
 BreakConstructorInitializers: BeforeComma
 BreakAfterJavaFieldAnnotations: false
 BreakStringLiterals: true
-ColumnLimit:     120
+ColumnLimit:     160
 CommentPragmas:  '^ IWYU pragma:'
 QualifierAlignment: Leave
 CompactNamespaces: false

.github/workflows/test_ci.yml

@@ -1,4 +1,5 @@
-name: Test Ascon Cipher Suite on CI
+# Taken from https://github.com/itzmeanjan/ml-kem/blob/61cf680b1c0e2590bd7b650c07cd477e90cab46d/.github/workflows/test_ci.yml
+name: Test Ascon LwC Cipher Suite i.e. NIST SP 800-232
 
 on:
   push:
@@ -11,28 +12,53 @@ jobs:
     runs-on: ${{matrix.os}}
     strategy:
       matrix:
-        os: [ubuntu-latest, # x86_64
-             macos-14       # Apple Silicon
-            ]
+        os: [ubuntu-latest, macos-latest]
+        compiler: [g++, clang++]
+        build_type: [debug, release]
+        test_type: [standard, asan, ubsan]
+      max-parallel: 4
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Setup Google-Test
-      run: |
-        pushd ~
-        git clone https://github.com/google/googletest.git -b v1.14.0
-        pushd googletest
-        mkdir build
-        pushd build
-        cmake .. -DBUILD_GMOCK=OFF
-        make
-        sudo make install
-        popd
-        popd
-        popd
-    - name: Execute Tests on ${{matrix.os}}
-      run: make -j
-    - name: Execute Tests with AddressSanitizer on ${{matrix.os}}
-      run: make asan_test -j
-    - name: Execute Tests with UndefinedBehaviourSanitizer on ${{matrix.os}}
-      run: make ubsan_test -j
+      - uses: actions/checkout@v4
+
+      - name: Setup Google Test
+        uses: Bacondish2023/setup-googletest@v1
+        with:
+          tag: v1.15.2
+
+
+      - name: Build and Test (${{ matrix.compiler }}, ${{ matrix.build_type }}, ${{ matrix.test_type }})
+        run: |
+          CXX=${{ matrix.compiler }}
+          if [[ ${{ matrix.test_type }} == "standard" ]]; then
+            make test -j 2>&1 | tee build.log
+          else
+            make ${{ matrix.build_type }}_${{ matrix.test_type }}_test -j 2>&1 | tee build.log
+          fi
+          if [ $? -ne 0 ]; then
+            echo "Build or Test Failed! See build.log for details."
+            exit 1
+          fi
+
+      - name: Upload Build Log
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-log-${{ matrix.compiler }}-${{ matrix.build_type }}-${{ matrix.test_type }}
+          path: build.log
+
+
+      - name: Run Examples
+        if: ${{ matrix.test_type == 'standard' && matrix.build_type == 'release' }}
+        run: |
+          CXX=${{ matrix.compiler }} make example -j 2>&1 | tee example.log
+          if [ $? -ne 0 ]; then
+            echo "Example execution Failed! See example.log for details."
+            exit 1
+          fi
+
+      - name: Upload Example Log (if failed)
+        if: ${{ steps.Run_Examples.outcome != 'success' && matrix.test_type == 'standard' && matrix.build_type == 'release' }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: example-log-${{ matrix.compiler }}
+          path: example.log

.gitmodules

@@ -4,6 +4,3 @@
 [submodule "gtest-parallel"]
 	path = gtest-parallel
 	url = https://github.com/google/gtest-parallel.git
-[submodule "dudect"]
-	path = dudect
-	url = https://github.com/oreparaz/dudect.git

Makefile

@@ -1,140 +1,45 @@
-CXX ?= clang++
-CXX_FLAGS = -std=c++20
-WARN_FLAGS = -Wall -Wextra -pedantic
-OPT_FLAGS = -O3 -march=native
-LINK_FLAGS = -flto
-PERF_DEFS = -DCYCLES_PER_BYTE
-ASAN_FLAGS = -g -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize=address # From https://clang.llvm.org/docs/AddressSanitizer.html
-UBSAN_FLAGS = -g -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls -fsanitize=undefined # From https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html
-
-SRC_DIR = include
-SUBTLE_INC_DIR = ./subtle/include
-DUDECT_INC_DIR = ./dudect/src
-I_FLAGS = -I $(SRC_DIR)
-DEP_IFLAGS = -I $(SUBTLE_INC_DIR)
-DUDECT_DEP_IFLAGS = $(DEP_IFLAGS) -I $(DUDECT_INC_DIR)
-ASCON_SOURCES := $(wildcard $(SRC_DIR)/*.hpp)
-BUILD_DIR = build
-
-TEST_DIR = tests
-DUDECT_TEST_DIR = $(TEST_DIR)/dudect
-TEST_BUILD_DIR := $(BUILD_DIR)/$(TEST_DIR)
-ASAN_BUILD_DIR = $(TEST_BUILD_DIR)/asan
-UBSAN_BUILD_DIR = $(TEST_BUILD_DIR)/ubsan
-DUDECT_BUILD_DIR = $(BUILD_DIR)/dudect
-TEST_SOURCES := $(wildcard $(TEST_DIR)/*.cpp)
-TEST_HEADERS := $(wildcard $(TEST_DIR)/*.hpp)
-DUDECT_TEST_SOURCES := $(wildcard $(DUDECT_TEST_DIR)/*.cpp)
-TEST_OBJECTS := $(addprefix $(TEST_BUILD_DIR)/, $(notdir $(patsubst %.cpp,%.o,$(TEST_SOURCES))))
-ASAN_TEST_OBJECTS := $(addprefix $(ASAN_BUILD_DIR)/, $(notdir $(patsubst %.cpp,%.o,$(TEST_SOURCES))))
-UBSAN_TEST_OBJECTS := $(addprefix $(UBSAN_BUILD_DIR)/, $(notdir $(patsubst %.cpp,%.o,$(TEST_SOURCES))))
-TEST_LINK_FLAGS = -lgtest -lgtest_main
-TEST_BINARY = $(TEST_BUILD_DIR)/test.out
-ASAN_TEST_BINARY = $(ASAN_BUILD_DIR)/test.out
-UBSAN_TEST_BINARY = $(UBSAN_BUILD_DIR)/test.out
-DUDECT_TEST_BINARIES := $(addprefix $(DUDECT_BUILD_DIR)/, $(notdir $(patsubst %.cpp,%.out,$(DUDECT_TEST_SOURCES))))
-GTEST_PARALLEL = ./gtest-parallel/gtest-parallel
-
-BENCHMARK_DIR = benchmarks
-BENCHMARK_SOURCES := $(wildcard $(BENCHMARK_DIR)/*.cpp)
-BENCHMARK_HEADERS := $(wildcard $(BENCHMARK_DIR)/*.hpp)
-BENCHMARK_BUILD_DIR := $(BUILD_DIR)/$(BENCHMARK_DIR)
-PERF_BUILD_DIR := $(BUILD_DIR)/perfs
-BENCHMARK_OBJECTS := $(addprefix $(BENCHMARK_BUILD_DIR)/, $(notdir $(patsubst %.cpp,%.o,$(BENCHMARK_SOURCES))))
-PERF_OBJECTS := $(addprefix $(PERF_BUILD_DIR)/, $(notdir $(patsubst %.cpp,%.o,$(BENCHMARK_SOURCES))))
-BENCHMARK_LINK_FLAGS = -lbenchmark -lbenchmark_main
-BENCHMARK_BINARY = $(BENCHMARK_BUILD_DIR)/bench.out
-PERF_LINK_FLAGS = -lbenchmark -lbenchmark_main -lpthread -lpfm
-PERF_BINARY = $(PERF_BUILD_DIR)/perf.out
-
-all: test
-
-$(BUILD_DIR):
-	mkdir -p $@
+.DEFAULT_GOAL := help
 
-$(TEST_BUILD_DIR): $(BUILD_DIR)
-	mkdir -p $@
+# Collects inspiration from https://github.com/0xPolygonMiden/crypto/blob/3909b0199368b13fdfa934a324f984572d521e39/Makefile#L1-L5
+# and https://github.com/gtramontina/sourcing/blob/853252ee184c16bc69dd53e8457107d718aca04f/Makefile#L68-L72
+.PHONY: help
+help:
+	@for file in $(MAKEFILE_LIST); do \
+		grep -E '^[a-zA-Z_-]+:.*?## .*$$' $${file} | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}';\
+	done
 
-$(ASAN_BUILD_DIR): $(TEST_BUILD_DIR)
-	mkdir -p $@
 
-$(UBSAN_BUILD_DIR): $(TEST_BUILD_DIR)
-	mkdir -p $@
-
-$(DUDECT_BUILD_DIR): $(TEST_BUILD_DIR)
-	mkdir -p $@
+CXX ?= clang++
+CXX_DEFS +=
+CXX_FLAGS := -std=c++20
+WARN_FLAGS := -Wall -Wextra -Wpedantic
+DEBUG_FLAGS := -O1 -g
+RELEASE_FLAGS := -O3 -march=native
+LINK_OPT_FLAGS := -flto
+
+I_FLAGS := -I ./include
+SUBTLE_INC_DIR = ./subtle/include
+DEP_IFLAGS := -I $(SUBTLE_INC_DIR)
+PERF_DEFS = -DCYCLES_PER_BYTE
 
-$(BENCHMARK_BUILD_DIR): $(BUILD_DIR)
-	mkdir -p $@
+SRC_DIR := include
+ASCON_SOURCES := $(shell find $(SRC_DIR) -name '*.hpp')
+BUILD_DIR := build
 
-$(PERF_BUILD_DIR): $(BUILD_DIR)
-	mkdir -p $@
+include tests/test.mk
+include benches/bench.mk
+include examples/example.mk
 
 $(SUBTLE_INC_DIR):
 	git submodule update --init subtle
 
 $(GTEST_PARALLEL): $(SUBTLE_INC_DIR)
 	git submodule update --init gtest-parallel
 
-$(DUDECT_INC_DIR): $(GTEST_PARALLEL)
-	git submodule update --init dudect
-
-$(TEST_BUILD_DIR)/%.o: $(TEST_DIR)/%.cpp $(TEST_BUILD_DIR) $(SUBTLE_INC_DIR)
-	$(CXX) $(CXX_FLAGS) $(WARN_FLAGS) $(OPT_FLAGS) $(I_FLAGS) $(DEP_IFLAGS) -c $< -o $@
-
-$(ASAN_BUILD_DIR)/%.o: $(TEST_DIR)/%.cpp $(ASAN_BUILD_DIR) $(SUBTLE_INC_DIR)
-	$(CXX) $(CXX_FLAGS) $(WARN_FLAGS) $(ASAN_FLAGS) $(I_FLAGS) $(DEP_IFLAGS) -c $< -o $@
-
-$(UBSAN_BUILD_DIR)/%.o: $(TEST_DIR)/%.cpp $(UBSAN_BUILD_DIR) $(SUBTLE_INC_DIR)
-	$(CXX) $(CXX_FLAGS) $(WARN_FLAGS) $(UBSAN_FLAGS) $(I_FLAGS) $(DEP_IFLAGS) -c $< -o $@
-
-$(TEST_BINARY): $(TEST_OBJECTS)
-	$(CXX) $(OPT_FLAGS) $(LINK_FLAGS) $^ $(TEST_LINK_FLAGS) -o $@
-
-$(ASAN_TEST_BINARY): $(ASAN_TEST_OBJECTS)
-	$(CXX) $(ASAN_FLAGS) $^ $(TEST_LINK_FLAGS) -o $@
-
-$(UBSAN_TEST_BINARY): $(UBSAN_TEST_OBJECTS)
-	$(CXX) $(UBSAN_FLAGS) $^ $(TEST_LINK_FLAGS) -o $@
-
-$(DUDECT_BUILD_DIR)/%.out: $(DUDECT_TEST_DIR)/%.cpp $(DUDECT_BUILD_DIR) $(SUBTLE_INC_DIR) $(DUDECT_INC_DIR)
-	$(CXX) $(CXX_FLAGS) $(WARN_FLAGS) $(OPT_FLAGS) $(I_FLAGS) $(DUDECT_DEP_IFLAGS) -lm $(LINK_FLAGS) $< -o $@
-
-test: $(TEST_BINARY) $(GTEST_PARALLEL)
-	$(GTEST_PARALLEL) $< --print_test_times
-
-asan_test: $(ASAN_TEST_BINARY) $(GTEST_PARALLEL)
-	$(GTEST_PARALLEL) $< --print_test_times
-
-ubsan_test: $(UBSAN_TEST_BINARY) $(GTEST_PARALLEL)
-	$(GTEST_PARALLEL) $< --print_test_times
-
-dudect_test_build: $(DUDECT_TEST_BINARIES)
-
-$(BENCHMARK_BUILD_DIR)/%.o: $(BENCHMARK_DIR)/%.cpp $(BENCHMARK_BUILD_DIR)
-	$(CXX) $(CXX_FLAGS) $(WARN_FLAGS) $(OPT_FLAGS) $(I_FLAGS) $(DEP_IFLAGS) -c $< -o $@
-
-$(PERF_BUILD_DIR)/%.o: $(BENCHMARK_DIR)/%.cpp $(PERF_BUILD_DIR)
-	$(CXX) $(CXX_FLAGS) $(WARN_FLAGS) $(OPT_FLAGS) $(PERF_DEFS) $(I_FLAGS) $(DEP_IFLAGS) -c $< -o $@
-
-$(BENCHMARK_BINARY): $(BENCHMARK_OBJECTS)
-	$(CXX) $(OPT_FLAGS) $(LINK_FLAGS) $^ $(BENCHMARK_LINK_FLAGS) -o $@
-
-benchmark: $(BENCHMARK_BINARY)
-	# Must *not* build google-benchmark with libPFM
-	./$< --benchmark_min_warmup_time=.1 --benchmark_enable_random_interleaving=true --benchmark_repetitions=10 --benchmark_min_time=0.1s --benchmark_counters_tabular=true --benchmark_display_aggregates_only=true
-
-$(PERF_BINARY): $(PERF_OBJECTS)
-	$(CXX) $(OPT_FLAGS) $(LINK_FLAGS) $^ $(PERF_LINK_FLAGS) -o $@
-
-perf: $(PERF_BINARY)
-	# Must build google-benchmark with libPFM, follow https://gist.github.com/itzmeanjan/05dc3e946f635d00c5e0b21aae6203a7
-	./$< --benchmark_min_warmup_time=.1 --benchmark_enable_random_interleaving=true --benchmark_repetitions=10 --benchmark_min_time=0.1s --benchmark_counters_tabular=true --benchmark_display_aggregates_only=true --benchmark_perf_counters=CYCLES
-
-.PHONY: format clean
-
-clean:
+.PHONY: clean
+clean: ## Remove build directory
 	rm -rf $(BUILD_DIR)
 
-format: $(ASCON_SOURCES) $(TEST_SOURCES) $(TEST_HEADERS) $(DUDECT_TEST_SOURCES) $(BENCHMARK_SOURCES) $(BENCHMARK_HEADERS)
+.PHONY: format
+format: $(ASCON_SOURCES) $(TEST_SOURCES) $(TEST_HEADERS) $(BENCHMARK_SOURCES) $(BENCHMARK_HEADERS) $(EXAMPLE_SOURCES) $(EXAMPLE_HEADERS) ## Format source code
 	clang-format -i $^