Remove chacha implementation

Archivers are on hold for now.

README.md

@@ -13,7 +13,8 @@ $ make -j$(nproc)
 ```
 
 This should generate the libraries:
-* libcuda-crypt.so - ed25519 verify (used by leaders) and chacha (used by validators) cuda implementations
+* libcuda-crypt.so - ed25519 verify and poh verify cuda implementations
+* libcl-crypt.so - ed25519 verify and poh verify OpenCL implementations
 
 Copy libraries to the main Solana repo:
 ```bash

src/Makefile

@@ -6,21 +6,18 @@
 #   so more than one .so cannot be linked into a single program.
 #   Shared objects with device kernels also did not seem to work--
 #   it can build, but the kernel launch is not successful. (with cuda 9.2)
-#   Hence, build ed25519 ecdsa verify and chacha encryption device
+#   Hence, build ed25519 ecdsa verify and poh verify device
 #   code into a single binary.
 
 V=debug
 include gpu-common.mk
 
-CHACHA_TEST_BIN=cuda_chacha_test
 ECC_TEST_BIN=cuda_ed25519_verify
 LIB=cuda-crypt
 
 CL_ECC_TEST_BIN=cl_ed25519_verify
 CL_LIB=cl-crypt
 
-CHACHA_IF_DIR:=crypt-if
-
 CL_HEADER_DIR:=opencl-platform
 
 CUDA_HEADER_DIR:=cuda-headers
@@ -30,7 +27,7 @@ CUDA_DIR ?= /usr/local/cuda
 
 CXX ?= g++
 
-CFLAGS_COMMON:=-DENDIAN_NEUTRAL -DLTC_NO_ASM -I$(CHACHA_IF_DIR)
+CFLAGS_COMMON:=-DENDIAN_NEUTRAL -DLTC_NO_ASM
 CFLAGS+=$(CFLAGS_COMMON) -I$(CUDA_HEADER_DIR) -I$(CUDA_SHA256_DIR)
 
 #use -DUSE_RDTSC for Windows compilation
@@ -41,8 +38,7 @@ CL_CFLAGS_release:=$(CL_CFLAGS_common) -O3
 CL_CFLAGS_debug:=$(CL_CFLAGS_common) -O0 -g
 CL_CFLAGS:=$(CL_CFLAGS_$V)
 
-all: $(V)/$(CHACHA_TEST_BIN) \
-     $(V)/$(ECC_TEST_BIN) \
+all: $(V)/$(ECC_TEST_BIN) \
      $(V)/$(CL_ECC_TEST_BIN) \
      $(V)/lib$(LIB).so \
      $(V)/lib$(CL_LIB).so
@@ -82,11 +78,6 @@ $V/cl_poh_verify.o: $(CL_POH_VERIFY_SRCS)
 	@mkdir -p $(@D)
 	$(CXX) $(CL_CFLAGS) -I$(ECC_DIR) -c $< -o $@
 
-CL_CHACHA_SRCS:=$(CL_CRYPT_DIR)/cl_chacha.cpp
-$V/cl_chacha.o: $(CL_CHACHA_SRCS)
-	@mkdir -p $(@D)
-	$(CXX) $(CL_CFLAGS) -I$(ECC_DIR) -c $< -o $@
-
 CL_SIGN_SRCS:=$(CL_ECC_DIR)/sign.cpp $(ECC_DIR)/fe.cu $(ECC_DIR)/ed25519.h
 $V/cl_sign.o: $(CL_SIGN_SRCS)
 	@mkdir -p $(@D)
@@ -101,31 +92,18 @@ $V/cl_gpu_ctx.o: $(addprefix $(CL_ECC_DIR)/,gpu_ctx.cpp gpu_ctx.h)
 	@mkdir -p $(@D)
 	$(CXX) $(CL_CFLAGS) -I$(ECC_DIR) -c $< -o $@
 
-CHACHA_DIR:=cuda-crypt
-CHACHA_SRCS:=$(addprefix $(CHACHA_DIR)/,chacha_cbc.cu common.cu) $(CHACHA_IF_DIR)/chacha.h
-
-$V/chacha_cbc.o: $(CHACHA_SRCS)
-	@mkdir -p $(@D)
-	$(NVCC) -rdc=true $(CFLAGS) -c $< -o $@
-
 $V/cl_init_platform.o: opencl-platform/cl_init_platform.cpp
 	@mkdir -p $(@D)
 	$(CXX) $(CL_CFLAGS) -c $< -o $@
 
-AES_SRCS:=$(addprefix $(CHACHA_DIR)/,aes_cbc.cu aes_core.cu modes_lcl.h common.cu)
-
-$V/aes_cbc.o: $(AES_SRCS)
-	@mkdir -p $(@D)
-	$(NVCC) -rdc=true $(CFLAGS) -c $< -o $@
-
 POH_DIR:=cuda-poh-verify
 POH_SRCS:=$(addprefix $(POH_DIR)/,poh_verify.cu)
 
 $V/poh_verify.o: $(POH_SRCS)
 	@mkdir -p $(@D)
 	$(NVCC) -rdc=true $(CFLAGS) -c $< -o $@
 
-CL_CPU_GPU_OBJS=$(addprefix $V/,cl_init_platform.o cl_verify.o cl_gpu_ctx.o cl_sign.o cl_chacha.o cl_poh_verify.o)
+CL_CPU_GPU_OBJS=$(addprefix $V/,cl_init_platform.o cl_verify.o cl_gpu_ctx.o cl_sign.o cl_poh_verify.o)
 
 $V/lib$(CL_LIB).so: $(CL_CPU_GPU_OBJS)
 	$(CXX) -shared $^ -L$(CUDA_DIR)/lib64 -lOpenCL -o $@
@@ -137,17 +115,14 @@ $V/cl_ecc_main.o: $(CL_ECC_DIR)/main.cpp $(ECC_DIR)/ed25519.h
 $V/$(CL_ECC_TEST_BIN): $V/cl_ecc_main.o $V/lib$(CL_LIB).so
 	$(CXX) $(CL_CFLAGS) -L$(CUDA_DIR)/lib64 -L$V -pthread $< -l$(CL_LIB) -lOpenCL -o $@
 
-CPU_GPU_OBJS=$(addprefix $V/,chacha_cbc.o aes_cbc.o verify.o poh_verify.o gpu_ctx.o sign.o seed.o keypair.o)
+CPU_GPU_OBJS=$(addprefix $V/,verify.o poh_verify.o gpu_ctx.o sign.o seed.o keypair.o)
 
 $V/crypt-dlink.o: $(CPU_GPU_OBJS)
 	$(NVCC) -Xcompiler "-fPIC" $(CFLAGS) --device-link $^ --output-file $@
 
 $V/lib$(LIB).so: $V/crypt-dlink.o $(CPU_GPU_OBJS)
 	$(NVCC) -Xcompiler "-fPIC" --shared --output-file $@ $^
 
-$V/$(CHACHA_TEST_BIN): $(CHACHA_DIR)/test.cu $V/lib$(LIB).so
-	$(NVCC) $(CFLAGS) -L$V -l$(LIB) $< -o $@
-
 $V/ecc_main.o: $(addprefix $(ECC_DIR)/,main.cu ed25519.h)
 	@mkdir -p $(@D)
 	$(NVCC) -rdc=true $(CFLAGS) -c $< -o $@
@@ -159,8 +134,7 @@ $V/$(ECC_TEST_BIN): $V/ecc_main.o $V/lib$(LIB).so
 clean:
 	rm -rf $V
 
-test: $V/$(ECC_TEST_BIN) $V/$(CHACHA_TEST_BIN)
-	cd $(V) && ./$(CHACHA_TEST_BIN) 64 \
+test: $V/$(ECC_TEST_BIN)
 	cd $(V) && ./$(ECC_TEST_BIN) 1 1 1 1 1 1
 	cd $(V) && ./$(ECC_TEST_BIN) 64 1 1 1 1 0
 	cd $(V) && ./$(ECC_TEST_BIN) 100201 1 1 4 10 1