30 lines
731 B
Go
30 lines
731 B
Go
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package bn256
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import (
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"crypto/rand"
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"testing"
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)
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func TestLatticeReduceCurve(t *testing.T) {
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k, _ := rand.Int(rand.Reader, Order)
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ks := curveLattice.decompose(k)
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if ks[0].BitLen() > 130 || ks[1].BitLen() > 130 {
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t.Fatal("reduction too large")
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} else if ks[0].Sign() < 0 || ks[1].Sign() < 0 {
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t.Fatal("reduction must be positive")
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}
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}
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func TestLatticeReduceTarget(t *testing.T) {
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k, _ := rand.Int(rand.Reader, Order)
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ks := targetLattice.decompose(k)
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if ks[0].BitLen() > 66 || ks[1].BitLen() > 66 || ks[2].BitLen() > 66 || ks[3].BitLen() > 66 {
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t.Fatal("reduction too large")
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} else if ks[0].Sign() < 0 || ks[1].Sign() < 0 || ks[2].Sign() < 0 || ks[3].Sign() < 0 {
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t.Fatal("reduction must be positive")
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}
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}
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