mirror of https://github.com/gtank/ristretto255
internal/ed25519: extract common test variables
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@ -11,6 +11,16 @@ import (
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// times. The default value of -quickchecks is 100.
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// times. The default value of -quickchecks is 100.
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var (
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var (
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quickCheckConfig = &quick.Config{MaxCountScale: 1 << 10}
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quickCheckConfig = &quick.Config{MaxCountScale: 1 << 10}
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// a random scalar generated using dalek.
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dalekScalar = scalar.Scalar([32]byte{219, 106, 114, 9, 174, 249, 155, 89, 69, 203, 201, 93, 92, 116, 234, 187, 78, 115, 103, 172, 182, 98, 62, 103, 187, 136, 13, 100, 248, 110, 12, 4})
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// the above, times the Ed25519 basepoint.
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dalekScalarBasepoint = ProjP3{
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X: radix51.FieldElement([5]uint64{778774234987948, 1589187156384239, 1213330452914652, 186161118421127, 2186284806803213}),
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Y: radix51.FieldElement([5]uint64{1241255309069369, 1115278942994853, 1016511918109334, 1303231926552315, 1801448517689873}),
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Z: radix51.FieldElement([5]uint64{353337085654440, 1327844406437681, 2207296012811921, 707394926933424, 917408459573183}),
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T: radix51.FieldElement([5]uint64{585487439439725, 1792815221887900, 946062846079052, 1954901232609667, 1418300670001780}),
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}
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)
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)
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func TestScalarMulSmallScalars(t *testing.T) {
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func TestScalarMulSmallScalars(t *testing.T) {
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@ -31,17 +41,9 @@ func TestScalarMulSmallScalars(t *testing.T) {
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}
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}
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func TestScalarMulVsDalek(t *testing.T) {
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func TestScalarMulVsDalek(t *testing.T) {
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expected := ProjP3{
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X: radix51.FieldElement([5]uint64{778774234987948, 1589187156384239, 1213330452914652, 186161118421127, 2186284806803213}),
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Y: radix51.FieldElement([5]uint64{1241255309069369, 1115278942994853, 1016511918109334, 1303231926552315, 1801448517689873}),
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Z: radix51.FieldElement([5]uint64{353337085654440, 1327844406437681, 2207296012811921, 707394926933424, 917408459573183}),
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T: radix51.FieldElement([5]uint64{585487439439725, 1792815221887900, 946062846079052, 1954901232609667, 1418300670001780}),
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}
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z := scalar.Scalar([32]byte{219, 106, 114, 9, 174, 249, 155, 89, 69, 203, 201, 93, 92, 116, 234, 187, 78, 115, 103, 172, 182, 98, 62, 103, 187, 136, 13, 100, 248, 110, 12, 4})
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var p ProjP3
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var p ProjP3
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p.ScalarMul(&z, &B)
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p.ScalarMul(&dalekScalar, &B)
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if expected.Equal(&p) != 1 {
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if dalekScalarBasepoint.Equal(&p) != 1 {
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t.Error("Scalar mul does not match dalek")
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t.Error("Scalar mul does not match dalek")
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}
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}
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}
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}
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