Switch to mod 2^k domain and use encrypted channels

src/CONFIG.mine

@@ -0,0 +1 @@
+ARCH = -mtune=native -msse4.1 -msse4.2 -maes -mpclmul -mavx -mavx2 -mbmi2 -madx

src/Makefile

@@ -1,10 +1,10 @@
 MP_SPDZ_PATH := $(CURDIR)/MP-SPDZ
 
-all: patch deps
+all: config deps ssl
-	$(MAKE) -C $(MP_SPDZ_PATH) all
+	$(MAKE) -C $(MP_SPDZ_PATH) semi2k-party.x
 
-patch:
+config:
-	-git -C $(MP_SPDZ_PATH) apply $(CURDIR)/config.patch
+	cp -f $(CURDIR)/CONFIG.mine $(MP_SPDZ_PATH)/CONFIG.mine
 
 deps: patch
 	sudo apt install automake build-essential clang cmake git libntl-dev \
@@ -12,8 +12,11 @@ deps: patch
 	$(MAKE) -C $(MP_SPDZ_PATH) boost
 	$(MAKE) -C $(MP_SPDZ_PATH) libote mpir
 
+ssl:
+	cd $(MP_SPDZ_PATH) && Scripts/setup-ssl.sh 3
+
 %.mpc: _phony
-	python3 $(MP_SPDZ_PATH)/compile.py $@
+	python3 $(MP_SPDZ_PATH)/compile.py -R 64 $@
 
 %:
 	$(MAKE) -C $(MP_SPDZ_PATH) $@

src/config.patch

@@ -1,12 +0,0 @@
-diff --git a/CONFIG b/CONFIG
-index 6d5f0f17..217471f7 100644
---- a/CONFIG
-+++ b/CONFIG
-@@ -28,7 +28,6 @@ USE_GF2N_LONG = 1
- # ADX is used to optimize big integer additions
- # delete the second line to compile for a platform that supports everything
- ARCH = -mtune=native -msse4.1 -msse4.2 -maes -mpclmul -mavx -mavx2 -mbmi2 -madx
--ARCH = -march=native
-
- MACHINE := $(shell uname -m)
- ARM := $(shell uname -m | grep x86; echo $$?)

src/gale_shapley.mpc

@@ -9,9 +9,6 @@ from Compiler.oram import OptimalORAM
 from Compiler.library import for_range, do_while, time, if_, print_ln, crash, print_str, break_loop
 from Compiler.gs import OMatrix, OStack
 
-# Optimizations
-program.use_edabit(True)
-
 
 class Matchmaker:
     """

src/run.sh

@@ -8,5 +8,5 @@ if [[ $1 == "-k" ]]; then
 fi
 
 for i in $(seq 0 2); do
-    ./semi-party.x -N 3 -p "$i" gale_shapley > "../out-p$i.txt" 2>&1 &
+    ./semi2k-party.x -N 3 -p "$i" -e gale_shapley > "../out-p$i.txt" 2>&1 &
 done