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internal/ed25519: move basepoint constant & correct it 

The new values are extracted from the dalek test vectors.
This commit is contained in:
Henry de Valence 2019-05-08 21:25:55 -07:00 committed by Filippo Valsorda
parent 4642a7ca28
commit af6c23d070
2 changed files with 10 additions and 17 deletions
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17
internal/edwards25519/edwards25519_test.go
View File

@ -5,19 +5,22 @@ import (
"testing"
)
var (
// The Ed25519 basepoint.
B = ProjP3{
X: radix51.FieldElement([5]uint64{1738742601995546, 1146398526822698, 2070867633025821, 562264141797630, 587772402128613}),
Y: radix51.FieldElement([5]uint64{1801439850948184, 1351079888211148, 450359962737049, 900719925474099, 1801439850948198}),
Z: radix51.FieldElement([5]uint64{1, 0, 0, 0, 0}),
T: radix51.FieldElement([5]uint64{1841354044333475, 16398895984059, 755974180946558, 900171276175154, 1821297809914039}),
}
)
func TestAddSubNegOnBasePoint(t *testing.T) {
var B, Bneg ProjP3
var tmpP2 ProjP2
var tmpP1xP1 ProjP1xP1
var tmpCached ProjCached
B = ProjP3{
X: radix51.FieldElement([5]uint64{426475514619346, 2063872706840040, 14628272888959, 107677749330612, 288339085807592}),
Y: radix51.FieldElement([5]uint64{1934594822876571, 2049809580636559, 1991994783322914, 1758681962032007, 380046701118659}),
Z: radix51.FieldElement([5]uint64{1, 0, 0, 0, 0}),
T: radix51.FieldElement([5]uint64{410445769351754, 2235400917701188, 1495825632738689, 1351628537510093, 430502003771208}),
}
Bneg.Neg(&B)
var checkLhs, checkRhs, zero ProjP3

10
internal/edwards25519/tables_test.go
View File

@ -1,19 +1,9 @@
package edwards25519
import (
"github.com/gtank/ristretto255/internal/radix51"
"testing"
)
var (
B = ProjP3{
X: radix51.FieldElement([5]uint64{426475514619346, 2063872706840040, 14628272888959, 107677749330612, 288339085807592}),
Y: radix51.FieldElement([5]uint64{1934594822876571, 2049809580636559, 1991994783322914, 1758681962032007, 380046701118659}),
Z: radix51.FieldElement([5]uint64{1, 0, 0, 0, 0}),
T: radix51.FieldElement([5]uint64{410445769351754, 2235400917701188, 1495825632738689, 1351628537510093, 430502003771208}),
}
)
func TestProjLookupTable(t *testing.T) {
var table ProjLookupTable
table.FromP3(&B)