| 1 | module edwards25519 |
| 2 | |
| 3 | fn test_proj_lookup_table() { |
| 4 | mut table := ProjLookupTable{} |
| 5 | b := new_generator_point() |
| 6 | table.from_p3(b) |
| 7 | |
| 8 | mut tmp1 := ProjectiveCached{} |
| 9 | mut tmp2 := ProjectiveCached{} |
| 10 | mut tmp3 := ProjectiveCached{} |
| 11 | |
| 12 | table.select_into(mut tmp1, 6) |
| 13 | table.select_into(mut tmp2, -2) |
| 14 | table.select_into(mut tmp3, -4) |
| 15 | |
| 16 | // Expect T1 + T2 + T3 = identity |
| 17 | mut acc_p1 := ProjectiveP1{} |
| 18 | mut acc_p3 := new_identity_point() |
| 19 | |
| 20 | acc_p1.add(acc_p3, tmp1) |
| 21 | acc_p3.from_p1(acc_p1) |
| 22 | acc_p1.add(acc_p3, tmp2) |
| 23 | acc_p3.from_p1(acc_p1) |
| 24 | acc_p1.add(acc_p3, tmp3) |
| 25 | acc_p3.from_p1(acc_p1) |
| 26 | |
| 27 | assert acc_p3.equal(id_point) == 1 |
| 28 | } |
| 29 | |
| 30 | fn test_affine_lookup_table() { |
| 31 | mut table := AffineLookupTable{} |
| 32 | b := new_generator_point() |
| 33 | table.from_p3(b) |
| 34 | |
| 35 | mut tmp1 := AffineCached{} |
| 36 | mut tmp2 := AffineCached{} |
| 37 | mut tmp3 := AffineCached{} |
| 38 | |
| 39 | table.select_into(mut tmp1, 3) |
| 40 | table.select_into(mut tmp2, -7) |
| 41 | table.select_into(mut tmp3, 4) |
| 42 | // Expect T1 + T2 + T3 = identity |
| 43 | |
| 44 | mut acc_p1 := ProjectiveP1{} |
| 45 | mut acc_p3 := new_identity_point() |
| 46 | |
| 47 | acc_p1.add_affine(acc_p3, tmp1) |
| 48 | acc_p3.from_p1(acc_p1) |
| 49 | acc_p1.add_affine(acc_p3, tmp2) |
| 50 | acc_p3.from_p1(acc_p1) |
| 51 | acc_p1.add_affine(acc_p3, tmp3) |
| 52 | acc_p3.from_p1(acc_p1) |
| 53 | |
| 54 | assert acc_p3.equal(id_point) == 1 |
| 55 | } |
| 56 | |
| 57 | fn test_naf_lookup_table5() { |
| 58 | mut table := NafLookupTable5{} |
| 59 | b := new_generator_point() |
| 60 | table.from_p3(b) |
| 61 | |
| 62 | mut tmp1 := ProjectiveCached{} |
| 63 | mut tmp2 := ProjectiveCached{} |
| 64 | mut tmp3 := ProjectiveCached{} |
| 65 | mut tmp4 := ProjectiveCached{} |
| 66 | |
| 67 | table.select_into(mut tmp1, 9) |
| 68 | table.select_into(mut tmp2, 11) |
| 69 | table.select_into(mut tmp3, 7) |
| 70 | table.select_into(mut tmp4, 13) |
| 71 | // Expect T1 + T2 = T3 + T4 |
| 72 | |
| 73 | mut acc_p1 := ProjectiveP1{} |
| 74 | mut lhs := new_identity_point() |
| 75 | mut rhs := new_identity_point() |
| 76 | |
| 77 | acc_p1.add(lhs, tmp1) |
| 78 | lhs.from_p1(acc_p1) |
| 79 | acc_p1.add(lhs, tmp2) |
| 80 | lhs.from_p1(acc_p1) |
| 81 | |
| 82 | acc_p1.add(rhs, tmp3) |
| 83 | rhs.from_p1(acc_p1) |
| 84 | acc_p1.add(rhs, tmp4) |
| 85 | rhs.from_p1(acc_p1) |
| 86 | |
| 87 | assert lhs.equal(rhs) == 1 |
| 88 | } |
| 89 | |
| 90 | fn test_naf_lookup_table8() { |
| 91 | mut table := NafLookupTable8{} |
| 92 | b := new_generator_point() |
| 93 | table.from_p3(b) |
| 94 | |
| 95 | mut tmp1 := AffineCached{} |
| 96 | mut tmp2 := AffineCached{} |
| 97 | mut tmp3 := AffineCached{} |
| 98 | mut tmp4 := AffineCached{} |
| 99 | |
| 100 | table.select_into(mut tmp1, 49) |
| 101 | table.select_into(mut tmp2, 11) |
| 102 | table.select_into(mut tmp3, 35) |
| 103 | table.select_into(mut tmp4, 25) |
| 104 | // Expect T1 + T2 = T3 + T4 |
| 105 | |
| 106 | mut acc_p1 := ProjectiveP1{} |
| 107 | mut lhs := new_identity_point() |
| 108 | mut rhs := new_identity_point() |
| 109 | |
| 110 | acc_p1.add_affine(lhs, tmp1) |
| 111 | lhs.from_p1(acc_p1) |
| 112 | acc_p1.add_affine(lhs, tmp2) |
| 113 | lhs.from_p1(acc_p1) |
| 114 | |
| 115 | acc_p1.add_affine(rhs, tmp3) |
| 116 | rhs.from_p1(acc_p1) |
| 117 | acc_p1.add_affine(rhs, tmp4) |
| 118 | rhs.from_p1(acc_p1) |
| 119 | |
| 120 | assert lhs.equal(rhs) == 1 |
| 121 | } |
| 122 | |