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authorMoonchild <moonchild@palemoon.org>2020-12-23 19:02:52 +0000
committerMoonchild <moonchild@palemoon.org>2020-12-23 19:02:52 +0000
commit029bcfe189eae5eebbaf58ccff4e1200dd78b228 (patch)
tree1c226a334ea1a88e2d1c6f949c9320eb0c3bff59 /security/nss/gtests/freebl_gtest/mpi_unittest.cc
parent149d2ffa779826cb48a381099858e76e4624d471 (diff)
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Issue #1693 - Update NSS to 3.59.1.1
This updates to MoonchildProductions/NSS@bd49b2b88 in the repo created for our consumption of the library.
Diffstat (limited to 'security/nss/gtests/freebl_gtest/mpi_unittest.cc')
-rw-r--r--security/nss/gtests/freebl_gtest/mpi_unittest.cc120
1 files changed, 120 insertions, 0 deletions
diff --git a/security/nss/gtests/freebl_gtest/mpi_unittest.cc b/security/nss/gtests/freebl_gtest/mpi_unittest.cc
index 56b7454dc..0503006f9 100644
--- a/security/nss/gtests/freebl_gtest/mpi_unittest.cc
+++ b/security/nss/gtests/freebl_gtest/mpi_unittest.cc
@@ -13,6 +13,7 @@
#include <mach/mach.h>
#endif
+#include "mplogic.h"
#include "mpi.h"
namespace nss_test {
@@ -191,6 +192,39 @@ TEST_F(MPITest, MpiFixlenOctetsZero) {
TestToFixedOctets(zero, sizeof(mp_digit) + 1);
}
+TEST_F(MPITest, MpiRadixSizeNeg) {
+ char* str;
+ mp_int a;
+ mp_err rv;
+ const char* negative_edge =
+ "-5400000000000000003000000002200020090919017007777777777870000090"
+ "00000000007500443416610000000000000000000000000000000000000000000"
+ "00000000000000000000000000000000000000000000000000000000075049054"
+ "18610000800555594485440016000031555550000000000000000220030200909"
+ "19017007777777700000000000000000000000000000000000000000000000000"
+ "00000000000500000000000000000000000000004668129841661000071000000"
+ "00000000000000000000000000000000000000000000000007504434166100000"
+ "00000000000000000000000000000000000000000000000000000000000000000"
+ "00000000075049054186100008005555944854400184572169555500000000000"
+ "0000022003020090919017007777777700000000000000000000";
+
+ rv = mp_init(&a);
+ ASSERT_EQ(MP_OKAY, rv);
+ rv = mp_read_variable_radix(&a, negative_edge, 10);
+ ASSERT_EQ(MP_OKAY, rv);
+
+ const int radixSize = mp_radix_size(&a, 10);
+ ASSERT_LE(0, radixSize);
+
+ str = (char*)malloc(radixSize);
+ ASSERT_NE(nullptr, str);
+ rv = mp_toradix(&a, str, 10);
+ ASSERT_EQ(MP_OKAY, rv);
+ ASSERT_EQ(0, strcmp(negative_edge, str));
+ free(str);
+ mp_clear(&a);
+}
+
TEST_F(MPITest, MpiFixlenOctetsVarlen) {
std::vector<uint8_t> packed;
for (size_t i = 0; i < sizeof(mp_digit) * 2; ++i) {
@@ -224,6 +258,92 @@ TEST_F(MPITest, MpiFixlenOctetsTooSmall) {
}
}
+TEST_F(MPITest, MpiSqrMulClamp) {
+ mp_int a, r, expect;
+ MP_DIGITS(&a) = 0;
+ MP_DIGITS(&r) = 0;
+ MP_DIGITS(&expect) = 0;
+
+ // Comba32 result is 64 mp_digits. *=2 as this is an ascii representation.
+ std::string expect_str((64 * sizeof(mp_digit)) * 2, '0');
+
+ // Set second-highest bit (0x80...^2 == 0x4000...)
+ expect_str.replace(0, 1, "4", 1);
+
+ // Test 32, 16, 8, and 4-1 mp_digit values. 32-4 (powers of two) use the comba
+ // assembly implementation, if enabled and supported. 3-1 use non-comba.
+ int n_digits = 32;
+ while (n_digits > 0) {
+ ASSERT_EQ(MP_OKAY, mp_init(&r));
+ ASSERT_EQ(MP_OKAY, mp_init(&a));
+ ASSERT_EQ(MP_OKAY, mp_init(&expect));
+ ASSERT_EQ(MP_OKAY, mp_read_radix(&expect, expect_str.c_str(), 16));
+
+ ASSERT_EQ(MP_OKAY, mp_set_int(&a, 1));
+ ASSERT_EQ(MP_OKAY, mpl_lsh(&a, &a, (n_digits * sizeof(mp_digit) * 8) - 1));
+
+ ASSERT_EQ(MP_OKAY, mp_sqr(&a, &r));
+ EXPECT_EQ(MP_USED(&expect), MP_USED(&r));
+ EXPECT_EQ(0, mp_cmp(&r, &expect));
+ mp_clear(&r);
+
+ // Take the mul path...
+ ASSERT_EQ(MP_OKAY, mp_init(&r));
+ ASSERT_EQ(MP_OKAY, mp_mul(&a, &a, &r));
+ EXPECT_EQ(MP_USED(&expect), MP_USED(&r));
+ EXPECT_EQ(0, mp_cmp(&r, &expect));
+
+ mp_clear(&a);
+ mp_clear(&r);
+ mp_clear(&expect);
+
+ // Once we're down to 4, check non-powers of two.
+ int sub = n_digits > 4 ? n_digits / 2 : 1;
+ n_digits -= sub;
+
+ // "Shift right" the string (to avoid mutating |expect_str| with MPI).
+ expect_str.resize(expect_str.size() - 2 * 2 * sizeof(mp_digit) * sub);
+ }
+}
+
+TEST_F(MPITest, MpiInvModLoop) {
+ mp_int a;
+ mp_int m;
+ mp_int c_actual;
+ mp_int c_expect;
+ MP_DIGITS(&a) = 0;
+ MP_DIGITS(&m) = 0;
+ MP_DIGITS(&c_actual) = 0;
+ MP_DIGITS(&c_expect) = 0;
+ ASSERT_EQ(MP_OKAY, mp_init(&a));
+ ASSERT_EQ(MP_OKAY, mp_init(&m));
+ ASSERT_EQ(MP_OKAY, mp_init(&c_actual));
+ ASSERT_EQ(MP_OKAY, mp_init(&c_expect));
+ mp_read_radix(&a,
+ "3e10b9f4859fb9e8150cc0d94e83ef428d655702a0b6fb1e684f4755eb6be6"
+ "5ac6048cdfc533f73a9bad76125801051f",
+ 16);
+ mp_read_radix(&m,
+ "ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372d"
+ "df581a0db248b0a77aecec196accc52973",
+ 16);
+ mp_read_radix(&c_expect,
+ "12302214814361c15ab6c0f2131150af186099f8c22f6c9d6e77ad496b551c"
+ "7c8039e61098bfe2af66474420659435c6",
+ 16);
+
+ int rv = mp_invmod(&a, &m, &c_actual);
+ ASSERT_EQ(MP_OKAY, rv);
+
+ rv = mp_cmp(&c_actual, &c_expect);
+ EXPECT_EQ(0, rv);
+
+ mp_clear(&a);
+ mp_clear(&m);
+ mp_clear(&c_actual);
+ mp_clear(&c_expect);
+}
+
// This test is slow. Disable it by default so we can run these tests on CI.
class DISABLED_MPITest : public ::testing::Test {};