Add fixed-base multipliers with precomputation.

3 files changed, 66 insertions, 9 deletions

diff --git a/test/Makefile b/test/Makefile
index 4b8fc78..d13b487 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,3 +1,3 @@
 
 test_bn: test_bn.c ../pyecsca/codegen/bn/bn.c
-	gcc -o $@ $^ -I ../pyecsca/codegen/ -I ../pyecsca/codegen/tommath/ -L ../pyecsca/codegen/tommath/ -l:libtommath-HOST.a
\ No newline at end of file
+	gcc -o $@ $^ -fsanitize=address -fsanitize=undefined -I ../pyecsca/codegen/ -I ../pyecsca/codegen/tommath/ -L ../pyecsca/codegen/tommath/ -l:libtommath-HOST.a
\ No newline at end of file
diff --git a/test/test_bn.c b/test/test_bn.c
index 9e3fd6f..66de22f 100644
--- a/test/test_bn.c
+++ b/test/test_bn.c
@@ -59,21 +59,21 @@ int test_wsliding_rtl() {
 }
 
 int test_convert_base() {
-    printf("test_convert-base: ");
+    printf("test_convert_base: ");
     bn_t bn;
     bn_init(&bn);
-    bn_from_int(5, &bn);
-    base_t *bs = bn_convert_base(&bn, 2);
+    bn_from_int(11, &bn);
+    small_base_t *bs = bn_convert_base_small(&bn, 2);
     if (bs == NULL) {
         printf("NULL\n");
         return 1;
     }
-    if (bs->length != 3) {
-        printf("Bad length (%li instead of 3)\n", bs->length);
+    if (bs->length != 4) {
+        printf("Bad length (%li instead of 4)\n", bs->length);
         return 1;
     }
-    uint8_t expected[3] = {1, 0, 1};
-    for (int i = 0; i < 3; i++) {
+    uint8_t expected[4] = {1, 1, 0, 1};
+    for (int i = 0; i < 4; i++) {
         if (bs->data[i] != expected[i]) {
             printf("Bad data (%i insead of %i)\n", bs->data[i], expected[i]);
             return 1;
diff --git a/test/test_impl.py b/test/test_impl.py
index cb5b583..da42c33 100644
--- a/test/test_impl.py
+++ b/test/test_impl.py
@@ -16,6 +16,9 @@ from pyecsca.ec.mult import (
     ProcessingDirection,
     ScalarMultiplier,
     FixedWindowLTRMultiplier,
+    FullPrecompMultiplier,
+    BGMWMultiplier,
+    CombMultiplier,
 )
 from pyecsca.ec.signature import ECDSA_SHA1, SignatureResult
 
@@ -167,6 +170,60 @@ def additional(request):
             ),
             id="FIX2",
         ),
+        pytest.param(
+            (
+                FullPrecompMultiplier,
+                "precomp",
+                ["add-1998-cmo", "dbl-1998-cmo"],
+                {"direction": ProcessingDirection.LTR},
+            ),
+            id="PRE1",
+        ),
+        pytest.param(
+            (
+                FullPrecompMultiplier,
+                "precomp",
+                ["add-1998-cmo", "dbl-1998-cmo"],
+                {"direction": ProcessingDirection.RTL},
+            ),
+            id="PRE2",
+        ),
+        pytest.param(
+            (
+                    BGMWMultiplier,
+                    "bgmw",
+                    ["add-1998-cmo", "dbl-1998-cmo"],
+                    {"width": 3, "direction": ProcessingDirection.LTR},
+            ),
+            id="BGMW1",
+        ),
+        pytest.param(
+            (
+                    BGMWMultiplier,
+                    "bgmw",
+                    ["add-1998-cmo", "dbl-1998-cmo"],
+                    {"width": 5, "direction": ProcessingDirection.RTL},
+            ),
+            id="BGMW2",
+        ),
+        pytest.param(
+            (
+                    CombMultiplier,
+                    "comb",
+                    ["add-1998-cmo", "dbl-1998-cmo"],
+                    {"width": 3},
+            ),
+            id="Comb1",
+        ),
+        pytest.param(
+            (
+                    CombMultiplier,
+                    "comb",
+                    ["add-1998-cmo", "dbl-1998-cmo"],
+                    {"width": 5},
+            ),
+            id="Comb2",
+        ),
     ],
 )
 def target(request, additional, secp128r1) -> ImplTarget:
@@ -189,7 +246,7 @@ def target(request, additional, secp128r1) -> ImplTarget:
             ],
             env={
                 "CFLAGS": "-fsanitize=address -fsanitize=undefined -fno-sanitize-recover=all"
-            }
+            },
         )
         assert res.exit_code == 0
         target = HostTarget(