/*############################################################################
# Copyright 2017 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
############################################################################*/
/// Unit tests of EFq2 implementation.
/*! \file */

#include <gtest/gtest.h>

#include "epid/member/tiny/math/unittests/cmp-testhelper.h"

extern "C" {
#include "epid/member/tiny/math/efq2.h"
#include "epid/member/tiny/math/mathtypes.h"
}

namespace {

////////////////////////////////////////////////////////////////////////
// EFq2IsInf

TEST(TinyEFq2Test, EFq2IsInfAcceptsPointAtInfinity) {
  const EccPointJacobiFq2 infinity = {
      {{0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}},
      {{0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EXPECT_TRUE(EFq2IsInf(&infinity));
}

TEST(TinyEFq2Test, EFq2IsInfRejectsPointNotAtInfinity) {
  const EccPointJacobiFq2 left = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EXPECT_FALSE(EFq2IsInf(&left));
}

////////////////////////////////////////////////////////////////////////
// EFq2FromAffine

TEST(TinyEFq2Test, EFq2FromAffineWorks) {
  const EccPointJacobiFq2 expected = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const EccPointFq2 left_affine = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}}};
  EccPointJacobiFq2 actual = {0};
  EFq2FromAffine(&actual, &left_affine);
  EXPECT_EQ(expected, actual);
}

////////////////////////////////////////////////////////////////////////
// EFq2ToAffine

TEST(TinyEFq2Test, EFq2ToAffineWorks) {
  const EccPointFq2 expected = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}}};
  const EccPointJacobiFq2 left = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EccPointFq2 actual = {0};
  EFq2ToAffine(&actual, &left);
  EXPECT_EQ(expected, actual);
}

////////////////////////////////////////////////////////////////////////
// EFq2Dbl

TEST(TinyEFq2Test, EFq2DblWorks) {
  const EccPointJacobiFq2 expected = {
      {{0xca2899c2, 0x38294bdb, 0xcf0b6b44, 0x270787b1, 0x28e6e40a, 0x2b848c15,
        0x03729665, 0xd042f637},
       {0xda226e33, 0x9e951b73, 0x7df4afb1, 0x4b44fcd5, 0x133d08f1, 0x703ec2c1,
        0x93fe9a4c, 0x014c1d38}},
      {{0xbd697392, 0x2bed001e, 0xde312107, 0x1c7a00ac, 0xc1c7c40e, 0xd720bece,
        0x6e98a67e, 0xaac006b6},
       {0x43a25c32, 0x51296e80, 0x318d99a6, 0xd60e60d3, 0xdb3084d0, 0x0625d792,
        0x25f4ca7e, 0x0a310fe4}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const EccPointJacobiFq2 left = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EccPointJacobiFq2 actual = {0};
  EFq2Dbl(&actual, &left);
  EXPECT_EQ(expected, actual);
}

////////////////////////////////////////////////////////////////////////
// EFq2Add

TEST(TinyEFq2Test, EFq2AddWorks) {
  const EccPointJacobiFq2 expected = {
      {{0x39d576f0, 0x314c3e0a, 0xdc7933c4, 0xb93a1af7, 0xa0b903f1, 0xd5648523,
        0x4745740d, 0xcd182581},
       {0x32365bad, 0x8351f42f, 0xd587f58a, 0x46b5c664, 0x11a71e4f, 0x8fde4189,
        0xa0dbb9b6, 0x35a921cf}},
      {{0xb1d07f87, 0x27fca861, 0xeb87751b, 0x40dee15b, 0x7abc2d89, 0xde6431b7,
        0x23bcc963, 0x79a7d75a},
       {0x5adc76e4, 0xb6a78fa4, 0xb4e50dbd, 0xd503cacd, 0xf188a97f, 0xc89769d8,
        0xd3da3cb0, 0x4e50dbe9}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const EccPointJacobiFq2 left = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const EccPointJacobiFq2 right = {
      {{0x4103138f, 0xfa13e67e, 0x6837bfdf, 0x00565944, 0x11264453, 0x23f40661,
        0x673da0e0, 0xed12700d},
       {0x98f68547, 0x9cb87218, 0xc5ec70e5, 0x0c893388, 0x21dd4d22, 0x53386c5c,
        0x2b310753, 0xeca20f0e}},
      {{0x17a5237e, 0x3f8bfc68, 0xfd8f3ccc, 0xa630561a, 0xbf57703a, 0x68135f32,
        0xe230d781, 0xd544af99},
       {0x92ebeb94, 0x99b0cff6, 0xeebac3e7, 0x7d7aa73f, 0x7064674d, 0x25d8834a,
        0x7c64ff8b, 0x97e6a2ac}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EccPointJacobiFq2 actual = {0};
  EFq2Add(&actual, &left, &right);
  EXPECT_EQ(expected, actual);
}

////////////////////////////////////////////////////////////////////////
// EFq2Neg

TEST(TinyEFq2Test, EFq2NegWorks) {
  const EccPointJacobiFq2 expected = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x876cdaca, 0x1d7a77aa, 0x730fb243, 0x1817c20a, 0x66f6a147, 0x7a82f2b1,
        0xb83b6256, 0x08963678},
       {0xd6e605ff, 0x3585805b, 0x9ecba21a, 0x921d0bd7, 0x033c1324, 0x8b6f68a7,
        0xb9cb5b5f, 0xb8809ef0}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const EccPointJacobiFq2 left = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EccPointJacobiFq2 actual = {0};
  EFq2Neg(&actual, &left);
  EXPECT_EQ(expected, actual);
}

////////////////////////////////////////////////////////////////////////
// EFq2MulSSCM

TEST(TinyEFq2Test, EFq2MultSSCMWorks) {
  const EccPointJacobiFq2 expected = {
      {{0x75e057c7, 0x324aeb39, 0x0246ce8a, 0xe467356d, 0x4fcae21a, 0xeb58c86e,
        0x12447362, 0x1c02af0c},
       {0xfc9e5806, 0x790f79e8, 0xeffb940f, 0x44b942aa, 0xce364572, 0x8f1d0b6d,
        0xf2238fe0, 0x4c281551}},
      {{0x8e525052, 0x840bf78d, 0xf0a1e53a, 0xd43b1688, 0x1566bee6, 0x715cb6d2,
        0x27f8a10c, 0x62806aa5},
       {0xfe573502, 0x1b24a341, 0xffab4d71, 0x445e2e0c, 0x7f3aa342, 0x3013d966,
        0x69b239fa, 0x074a471c}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const EccPointJacobiFq2 left = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const FpElem power = {0xeb515e82, 0xda641a2f, 0x642e3fdc, 0x242d1caf,
                        0xfd1cd76b, 0x60558750, 0x13fd607c, 0xd4a85a40};
  EccPointJacobiFq2 actual = {0};
  EFq2MulSSCM(&actual, &left, &power);
  EXPECT_EQ(expected, actual);
}

TEST(TinyEFq2Test, EFq2MultSSCMWorksInPlace) {
  const EccPointJacobiFq2 expected = {
      {{0x75e057c7, 0x324aeb39, 0x0246ce8a, 0xe467356d, 0x4fcae21a, 0xeb58c86e,
        0x12447362, 0x1c02af0c},
       {0xfc9e5806, 0x790f79e8, 0xeffb940f, 0x44b942aa, 0xce364572, 0x8f1d0b6d,
        0xf2238fe0, 0x4c281551}},
      {{0x8e525052, 0x840bf78d, 0xf0a1e53a, 0xd43b1688, 0x1566bee6, 0x715cb6d2,
        0x27f8a10c, 0x62806aa5},
       {0xfe573502, 0x1b24a341, 0xffab4d71, 0x445e2e0c, 0x7f3aa342, 0x3013d966,
        0x69b239fa, 0x074a471c}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EccPointJacobiFq2 left = {{{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790,
                              0x5303da83, 0x693bbb16, 0x679b2a8a, 0x06f54dd4},
                             {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c,
                              0xa7b61e37, 0x209517cf, 0x534cd776, 0x4759d7f6}},
                            {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0,
                              0x877b0357, 0xcc62ffad, 0x47c18e76, 0xf769c987},
                             {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23,
                              0xeb35917a, 0xbb7689b7, 0x4631956d, 0x477f610f}},
                            {{0x00000001, 0x00000000, 0x00000000, 0x00000000,
                              0x00000000, 0x00000000, 0x00000000, 0x00000000},
                             {0x00000000, 0x00000000, 0x00000000, 0x00000000,
                              0x00000000, 0x00000000, 0x00000000, 0x00000000}}};
  const FpElem power = {0xeb515e82, 0xda641a2f, 0x642e3fdc, 0x242d1caf,
                        0xfd1cd76b, 0x60558750, 0x13fd607c, 0xd4a85a40};
  EFq2MulSSCM(&left, &left, &power);
  EXPECT_EQ(expected, left);
}
////////////////////////////////////////////////////////////////////////
// EFq2Eq

TEST(TinyEFq2Test, EFq2EqConfirmsPointsAreEqual) {
  const EccPointJacobiFq2 left = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const EccPointJacobiFq2 left_2 = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EXPECT_TRUE(EFq2Eq(&left, &left_2));
}

TEST(TinyEFq2Test, EFq2EqDeniesPointsAreEqual) {
  const EccPointJacobiFq2 left = {
      {{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790, 0x5303da83, 0x693bbb16,
        0x679b2a8a, 0x06f54dd4},
       {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c, 0xa7b61e37, 0x209517cf,
        0x534cd776, 0x4759d7f6}},
      {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0, 0x877b0357, 0xcc62ffad,
        0x47c18e76, 0xf769c987},
       {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23, 0xeb35917a, 0xbb7689b7,
        0x4631956d, 0x477f610f}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  const EccPointJacobiFq2 right = {
      {{0x4103138f, 0xfa13e67e, 0x6837bfdf, 0x00565944, 0x11264453, 0x23f40661,
        0x673da0e0, 0xed12700d},
       {0x98f68547, 0x9cb87218, 0xc5ec70e5, 0x0c893388, 0x21dd4d22, 0x53386c5c,
        0x2b310753, 0xeca20f0e}},
      {{0x17a5237e, 0x3f8bfc68, 0xfd8f3ccc, 0xa630561a, 0xbf57703a, 0x68135f32,
        0xe230d781, 0xd544af99},
       {0x92ebeb94, 0x99b0cff6, 0xeebac3e7, 0x7d7aa73f, 0x7064674d, 0x25d8834a,
        0x7c64ff8b, 0x97e6a2ac}},
      {{0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000},
       {0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000}}};
  EXPECT_FALSE(EFq2Eq(&left, &right));
}

////////////////////////////////////////////////////////////////////////
// EFq2OnCurve

TEST(TinyEFq2Test, EFq2OnCurveConfirmsPointOnCurve) {
  const EccPointFq2 left = {{{0xbf501131, 0x84025734, 0xe72a81d4, 0x0a3da790,
                              0x5303da83, 0x693bbb16, 0x679b2a8a, 0x06f54dd4},
                             {0xa15aebed, 0x5eabe073, 0x5585c8aa, 0xc27f168c,
                              0xa7b61e37, 0x209517cf, 0x534cd776, 0x4759d7f6}},
                            {{0x27665549, 0xb5aeb631, 0x9f88583f, 0xf4c4a3f0,
                              0x877b0357, 0xcc62ffad, 0x47c18e76, 0xf769c987},
                             {0xd7ed2a14, 0x9da3ad7f, 0x73cc6868, 0x7abf5a23,
                              0xeb35917a, 0xbb7689b7, 0x4631956d, 0x477f610f}}};
  EXPECT_TRUE(EFq2OnCurve(&left));
}

TEST(TinyEFq2Test, EFq2OnCurveRejectsPointOffCurve) {
  const EccPointFq2 invalid = {
      {{0x705eb0a4, 0xf30863e3, 0x6127e751, 0x15adee42, 0xb00baac0, 0x194dee74,
        0xb39bf2f3, 0x88b75019},
       {0x60d7ec1d, 0xd80f96dd, 0x731c01d7, 0xbf697161, 0x087e5f87, 0x91f4fe08,
        0xd1942d15, 0x62b03177}},
      {{0x38f6d02a, 0xae5274db, 0xb7eddcf3, 0xcf4ff611, 0x589140a6, 0xcbacb49c,
        0x48c50543, 0x1da802e9},
       {0x45b0c6f3, 0x52393bf1, 0xc70746b0, 0xa08caeba, 0x5cb44254, 0x53ebeb2a,
        0x620ea440, 0x2c3a40f1}}};
  EXPECT_FALSE(EFq2OnCurve(&invalid));
}

}  // namespace